INSTRUCTION MANUAL MODEL 401 O3 CALIBRATOR © TELEDYNE INSTRUMENTS ADVANCED POLLUTION INSTRUMENTATION DIVISION (T-API) 9480 CARROLL PARK DRIVE SAN DIEGO, CA 92121-5201 TOLL-FREE: FAX: TEL: E-MAIL: WEB SITE: Copyright 2005 Teledyne Advanced Pollution Instrumentation 800-324-5190 858-657-9816 858-657-9800 api-sales@teledyne.com www.teledyne-api.com 01124 REV.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 SAFETY MESSAGES Your safety and the safety of others is very important. We have provided many important safety messages in this manual. Please read these messages carefully. A safety message alerts you to potential hazards that could hurt you or others. Each safety message is associated with a safety alert symbol. These symbols are found in the manual and inside the instrument.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 TABLE OF CONTENTS SAFETY MESSAGES .......................................................................................... II TABLE OF CONTENTS ...................................................................................... III LIST OF FIGURES ............................................................................................. VII LIST OF TABLES..............................................................
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 2.1.2 O3 Analog Output.................................................................................................................... 2-1 2.1.3 E2 ROM Backup Of Software Configuration .......................................................................... 2-1 2.1.4 Adaptive Filter ........................................................................................................................ 2-1 2.1.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 5.2.1 D/A Output .............................................................................................................................. 5-2 6 HANDLING WARNINGS ................................................................................ 6-1 7 RS-232 COMMUNICATIONS ......................................................................... 7-1 7.1 DAS REPORTING ......................................................
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 9.6.4 Checking The DC Power Supply Board................................................................................ 9-13 9.6.5 Checking The Pneumatic Sensor Board ............................................................................... 9-14 9.6.6 Checking The Source Lamp And Detector............................................................................ 9-14 9.6.7 Checking Main Switching Valve ..............
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 LIST OF FIGURES FIGURE 1-1: MODEL 401 OZONE CALIBRATOR BLOCK DIAGRAM .......................................................... 1-11 FIGURE 1-2: M401 REAR PANEL ELECTRICAL CONNECTIONS ................................................................ 1-12 FIGURE 1-3: REAR PANEL ELECTRICAL AND PNEUMATIC CONNECTIONS (CE VERSION) ....................... 1-13 FIGURE 1-4: RS-232 PIN ASSIGNMENTS ....................................
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 LIST OF TABLES TABLE 1-1: TEST VALUES ....................................................................................................................... 1-21 TABLE 2-1: PASSWORD LEVELS ............................................................................................................... 2-3 TABLE 2-2: SYSTEM MODES .................................................................................................
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 1 INTRODUCTION 1.1 Preface Teledyne API is pleased that you have purchased the Model 401. We offer a full one year warranty (see Section 1.2) and we at Teledyne API will be pleased to provide you with any support required so that you may utilize our equipment to the fullest extent. The Teledyne API Model 401 keyboard/operator interface with its "talking keys" makes the Teledyne API a very user-friendly system.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 The warranties set forth in this section shall be of no force or effect with respect to any Product: (i) that has been altered or subjected to misuse, negligence or accident, or (ii) that has been used in any manner other than in accordance with the instruction provided by Teledyne API or (iii) not properly maintained.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 NOTE Model 401 Photometric Calibrator is designed to be a dedicated calibrator. The M401 Photometer should not be used as a monitor. The Beer-Lambert equation, shown below, calculates the concentration of ozone from the ratio of light intensities. C O3 =− 10 9 T 29.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 The intensity of light is converted into a voltage by the detector/preamp module. The voltage is converted into a number by a voltage-to-frequency (V/F) converter capable of 80,000 count resolution. The digitized intensities, along with the other variables, are used by the CPU to compute the concentration using the above formula.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 1.4 Specifications Photometer Ranges User selectable to any full scale range from 100 ppb to 20,000 ppb Zero Noise < 0.3 ppb (rms) Span Noise < 0.5% of reading (rms) Lower Detectable Limit < 0.6 ppb (rms) Zero Drift (24 hours) < 1.0 ppb* Zero Drift (7 days) < 1.0 ppb* Span Drift (24 hours) 1% of reading * Span Drift (7 days) 2% of reading * Linearity Better than 1% FS Precision 1.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 1.4.1 Noise (PPB RMS) The standard deviation of reported concentration calculated over 25 samples times 7 runs minimum, N-1 weighted. 1.4.2 Lower Detectable Limit (LDL) PPB LDL is defined as twice the (RMS) noise at the lower end of the most sensitive operating range. 1.4.3 Zero Drift (PPB) Zero drift is defined as unadjusted (automatic) operation maximum shift over the given period at constant temperature and pressure.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 1.4.10 Flow Rates 800 scc/min ± 10% (standard cubic centimeters/minute) sample flow rate. 2-5 l/min ± 10% (standard cubic liter/minute) O3 generator flow rate. 1.4.11 Power Standard input power: 120VAC rms, 60 Hz, 250 watts maximum and 220, 240 V, 50 Hz. 5A resettable circuit breaker. 1.4.12 Weight 27 Kg (60 lb.) maximum. 1.5 Installation And Overview The Model 401 is shipped with the following standard equipment: 1.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 NOTE See Figure 1-4 for rear panel pneumatic connections. Span gas should only come into contact with PTFE or glass. Leak check all fittings with soap solution. Maximum pressure for leak check is 15 PSIG. 6. Connect the pump exhaust to a suitable vent outside the analyzer area. CAUTION Connect the exhaust fitting on the rear panel (see Figure 1-5) to a suitable vent outside the analyzer area. 7.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 10. Turn on the M401 by switching the switch on the lower right corner of the front panel (See Figure 2-1). The front panel display should light with a sequence of messages,-API - M401 software version number, then a normal display as shown in Figure 2-2. 11.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 14. Generate the Zero Air. a. Press ZERO from the main menu and enter the password (512). b. Press STBY to terminate or press O3GN to continue to generate O3 span gas. 15. Generate the O3 Span Gas. a. Press O3GN from the main menu and enter the password (512). b. Enter the O3 concentration value desired (0.05 - 1 ppm range). c. Press CONC in order to change O3 gas concentration while generating specified O3 gas. d.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 8.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 1.6 Electrical And Pneumatic Connections 1.6.1 Electrical Connections Output #1 Ozone concentration - chart recorder Output #2 Ozone concentration - DAS Output #3 Test function analog output Input #4 Zero valve request Input #5 Span valve request Input #6 N/C There are 2 six-pin connector strips on the rear panel shown in Figure 1-2. The pins are divided into 3-plus/minus pairs and have the functions shown above.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 1.6.3 Pneumatic System The Model 401 Photometric Calibrator is equipped with a compression pump to deliver up to 5 L/MIN for ozone generator system. It is also equipped with a second pump capable of pulling 800 cc/min across a critical flow orifice. This allows a smooth, stable flow of sample through the Photometer. Compressed air is delivered through a charcoal scrubber.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 1.7 Operation Verification The Model 401 Calibrator is now ready for operation. 1. Read Section 1.3 and all of Section 4 of the manual to understand the Calibrator operation. 2. Turn on the power by pressing the on/off switch on the front panel (see Figure 2-1). The display should turn on and green (sample) status LED should be energized. The green LED should blink indicating the instrument has entered the HOLD-OFF mode.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 1.7.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 1.8 Options 1.8.1 Rack Mount With Slides This option, including slides and rack mounting ears, permits the Analyzer to be mounted in a standard 19" wide x 30" deep RETMA rack. 1.8.2 Status Outputs The status output is an option that reports Analyzer conditions to a 50 pin connector from the mother board. The contacts are NPN transistors which can pass 50 ma of direct current. See Section 8.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 2 OPERATION 2.1 Key Features The important features of the Teledyne API Model 401 Photometric Calibrator are listed below. 2.1.1 O3 Readout The Teledyne API Model 401 Photometric Calibrator constantly displays the current ozone reading (in PPB) in the upper right hand corner of the alphanumeric display. 2.1.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 2.1.5 Data Acquisition The Teledyne API Photometric Calibrator contains a built-in data acquisition system which keeps track of the average O3 readings and the last 100 averages. This data is made available to other systems via the RS-232 interface. The Photometric Calibrator can be programmed to automatically output a 1 minute to 60 minute average.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 2-1: Password Levels Password Level Functions Allowed 0 TEST, MSG, CLR, SETUP-DAS-VIEW Operator (512) 1 ZERO, 03GN, ASEQ Setup (818) 2 SETUP-EVNT, SETUP-BCAL, SETUP-COMM, SETUP-MISC-O3 GEN, SETUP-MISC-DARK, SETUP-MISC-CLK, SETUP-MISC-D/A, SETUP-MISC-MORE, SETUP-PASS, SETUP-DIAG Setup (717) 3 SETUP-MISC-O3-SLPE, SETUP-MISC-03-OFFS No password required NOTE All passwords can be disabled.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 2.2 Front Panel This section describes the operator interface from the point of view of the front panel. The front panel consists of a 2-line by 40-character alphanumeric display, 8 pushbuttons, and 3 status LEDs. Each of these features are described in Section 2.2.1. 2.2.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 2-4: Warning Messages Warning Message Meaning SYSTEM RESET Issued whenever Analyzer is powered on RAM INITIALIZED RAM was erased (including DAS reports) ANA LAMP WARNING Analyzer lamp < 40000 OR >= 80000 counts O3 LAMP SHUTDOWN O3 lamp temperature control not working O3 FLOW WARNING O3 GEN flow < 1.8 L/M or > 5.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Figure 2-2: Illustration Of Normal Display If TEST is pushed, the upper center display cycles through the menu of test parameters, e.g. Sample flow (see Table 2-3). If STBY is pushed, the calibrator is in stand-by mode. If ZERO is pushed, the sequence of operations for generating ZERO gas is initiated. O3GN is used to initiate span setting using sample gas, such as during a formal calibration.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 2.2.3 Status LEDs The three status LEDs to the right of the display indicate the general status of the Model 401 Photometric Calibrator. The green SAMPLE LED indicates the sampling status. The yellow CAL LED indicates the calibration status. The red FAULT LED indicates the fault status. Table 2-5 summarizes the meanings of the status LEDs.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 3 CALIBRATION The M401 is designed to be used as a dedicated ozone calibrator with built-in photometer. Zero/Span gas generation and calibration of Model 401 are discussed in Section 3. The emphasis in Section 3 is on the operation of the buttons and the internal adjustments they make in the instrument. 3.1 Manual Zero Air Supply The Model 401 calibrator can generate zero air using the internal scrubbing module.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 3.3 Automatic Zero/Span (or Multipoint) Check Automatic zero/span gas supply must be enabled in the setup mode. There are five parameters that affect zero/span checking: the zero and span duration, the time of day for calibration, the time shift, the zero and multipoint calibration switch, and the feedback mode. These are described individually below.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 3.5 Summary Of Front Panel Calibration Controls The calibration controls are summarized below in terms of the button sequences used to access them.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 3. Allow to sample zero gas for approximately 10 minutes. 4. Follow sequence of SETUP, BCAL, and ZERO. Then select "yes" to adjust zero. NOTE: in case of using external dry zero air, check if dry zero air is supplied into the rear panel port (see Figure 1-5 for pneumatic connections) at about 30 - 40 PSI pressure. O3 generator flow should be exceeding at least 1 l/min in addition of total flow demands. (See Section 1.6.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 NOTE Teledyne API recommends that contact closures remain closed at least 10 minutes to allow for an accurate average zero or span value to be established. 3.8 Remote Zero/Span Check Or Adjustment (RS-232) Besides Z/S checking from the front panel, automatic Z/S checking, and remote Z/S checking via the contact closure inputs, the Analyzer can also be checked via the RS-232 interface.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 4 SETUP MODE This section describes the setup variables which are used to configure the analyzer. 4.1 Setup Mode Operation All the setup variables are stored in the analyzer's EEPROM and are retained during power off and even when new software revisions are installed. NOTE If a variable is modified, but ENTR is not pressed, the variable will not be changed and the analyzer will beep when EXIT is pressed. 4.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 4.4 Examining The Ozone Formula Slope And Offset The slope and offset parameters can be examined (or changed) by SETUP-MISC-O3-SLPE or SETUP-MISC-O3-OFFS. The slope and offset parameters are set only during zero and span calibration routines. These parameters are used to adjust the span and zero values to their exact values.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 4.5 Setting the O3 Generation Mode There are three modes of feedback operation that can be selected for the ozone generator. The mode can be changed by pressing SETUP-MISC-O3-GEN-MODE. The three modes are shown below. Please note that changing to any Mode other than BNCH may affect the concentration accuracy of the gas being produced. 4.5.1 BNCH Mode This is the default mode.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 4.8 Adjusting The Clock Speed In order to compensate for clocks which run a little bit fast or slow, there is a variable called SETUP-MISC-CLK-ADJ. This variable is set to the number of seconds per day by which to speed up or slow down the clock. It should only need to be set once for each Analyzer. For example, if the clock is running 10 seconds fast each day, set the variable to -10 and press ENTR.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 4.12 Setting The Analyzer I.D. Each Analyzer may be programmed with a unique I.D. number which appears on all RS-232 messages. To set the Analyzer I.D., press SETUP-COMM-ID. Enter a 4-digit number from 0000 to 9999, followed by ENTR to accept the new I.D., or EXIT to leave the I.D. unchanged. If changed, the new I.D. number will appear on all RS-232 reports from this Analyzer. 4.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 4.15 Software Configuration The software configuration can be displayed by entering the button sequence SETUP-CFGLIST. For example the M401 could display: "O3 CALIBRATOR" "SBC40 CPU" Stating that the instrument was an Ozone Calibrator using the SBC40 computer. This feature is useful for showing any special features that are present in the currently installed PROM. 4.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 4-1: Setup Variables Button Sequence Function Default Limits SETUP-EVNT-WAIT Zero cal. duration Span cal. duration 15 min. 15 min. 1-20 min. 1-20 min. SETUP-EVNT-TIME Cal. time-of-day 23:30 00:00-23:59 SETUP-EVNT-ASEQ Auto. Multipoint cal. enable OFF OFF/ZS/Z2S/Z5S SETUP-EVNT-SHFT Auto check shift 0 min. ± 60 min.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 5 DIAGNOSTICS The Teledyne API ozone analyzer contains two levels of diagnostics: test measurements which can be viewed at all times (except when in setup) by pressing TEST, and lower level diagnostic operations which can only be performed by pressing SETUP-DIAG. 5.1 Test Measurements As stated, test measurements can be viewed at any time except when in setup.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 5-1: Test Channel Output Test # Name Purpose 1 NONE No output 2 O3 DETECT Outputs O3 detector 3 REF DETECT Outputs IZS ref. det. 4 SAMP PRESS Outputs sample press. 5 SAMP FLOW Outputs sample flow 6 SAMP TEMP Outputs sample temp. 7 ALAMP TEMP Outputs ana lamp temp.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 6 HANDLING WARNINGS When a system warning occurs, a warning message is displayed and the FAULT LED blinks. A warning indicates that something in the system needs to be checked or adjusted. Failure by the operator to respond to a warning may result in poor system performance and/or less accurate data acquisition. Warnings should be taken seriously.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 7 RS-232 COMMUNICATIONS The Model 401 Photometric Calibrator features a powerful RS-232 interface which is used both for reporting test results and for controlling the Photometer from a host computer. Because of the dual nature of the RS-232 interface, the message format has been carefully designed to accommodate both printers and host computers.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 The "X" indicates the message type as shown above in Table 7-1 and "COMMAND" is the command type, each of which is described individually below. The "" is used to terminate the command. Typing "" a few times by itself is a good way to clear the input buffer of any extraneous characters. 7.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 7.2 Warnings Whenever a warning message is displayed on the display, it is also sent to the RS-232 output. See Table 2-4 for a list of the warning messages. These messages are very helpful when trying to track down a system problem and for determining whether or not DAS average data is actually valid.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 To do a remote adjustment via the RS-232 interface, the host computer should issue a message with the following format: "C COMMAND" The commands are summarized in Table 7-4.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 7.4 Diagnostics The diagnostics mode can be entered from the RS-232 port as well as from the front panel. The diagnostics commands available are listed below. NOTE The diagnostics mode may only be entered via the RS-232 port when the calibrator is in stand by mode.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 7-6: Special Diagnostic Commands Command Function "D SYS-RESET" Reset Calibrator (same as power off/on) "D RAM-RESET" Reset Calibrator and erase RAM "D EE-RESET " Reset Calibrator and erase RAM & EEPROM Whenever the diagnostic mode is entered or exited, a report is issued to the RS-232 output. Table 7-7 summarizes the diagnostic reports.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 For example, to see the analyzer lamp temperature set point, the host computer would issue the command: "V ALAMP_SET" and the CPU would respond with something like: "V DDD:HH:MM IIII ALAMP_SET=25 20 30 <0-100>" indicating that the current set point is 25 degrees, the warning limits are 20 to 30 degrees, and the data entry limits are 0 to 100 degrees.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 7-9: RS-232 Variable Names Var.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 8 ADJUSTMENTS NOTE The operations outlined in this chapter are to be performed by qualified maintenance personnel only. All adjustments to the Model 401 are easy to make. Pots and test points are readily accessible without removing any components. Figure 1-7 is a plan view of the Model 401 Photometric Calibrator showing all the major components. Figure 8-1 is an electrical diagram of Model 401 Photometric Calibrator. 8.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 8.2 A/D - D/A Calibration Procedure Due to the stability of modern electronics, this procedure should not have to be performed more than once a year or whenever a major sub-assembly is exchanged or whenever analog output voltage range is changed . To calibrate the ADC, do the following: 1. Press SETUP-MISC-D/A-CAL. 2.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Next, to automatically calibrate all the DACs, press SETUP-MISC-D/A-CAL-DAC. The display will show the percent completion as the analyzer goes through the procedure. You must calibrate the ADC before calibrating the DACs because the ADC is used during the DAC calibration procedure. Once the ADC is calibrated, you may recalibrate the DACs anytime simply by pressing SETUP-MISC-D/A-CAL, ENTR, ENTR, ENTR, ENTR. 8.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 8.5 DC Power Supply Overall performance of the DC power supply may be checked by observing the value displayed during test DCPS. If this value, a composite of the five (5) regulator outputs, deviates by more than 10% from the value recorded in Table 1-1 of this manual under Test Values, the outputs of the individual regulators should be measured.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 8.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 CAUTION UV light present. Do not pull the lamp from the optical bench assembly. 3. Adjust the UV Detector Pre-Amp gain as follows: a. Remove the access cap on the Detector cover at the front end of the optical bench, and adjust the pot (R7) until the O3 REF reading on the display is 4500 mV ± 50 mV. b.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 8.10 Ozone Generator Calibration The ozone generator can be calibrated against the analyzer calibration by using the analytical section of the M401 to determine the ozone generator's output. Calibration of the generator allows the operator to enter the desired calibration concentration directly in PPB's.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 To view the current dark offset, press SETUP-MISC-DARK-VAL. Press EXIT when finished. No password is required to view the dark offset, only to change it. 8.12 Bench Feedback Option The Bench Feedback Option uses the Photometer to control the lamp drive current. This option assures very stable and repeatable ozone concentrations. Press SETUP-MISC-O3-GEN-MODEBNCH to activate this option.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 9 TROUBLESHOOTING NOTE The operations outlined in this chapter are to be performed by qualified maintenance personnel only. 9.1 Overview The Model 401 Photometric Calibrator has been designed to rapidly detect possible problems and allow their quick evaluation and repair.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 If these actions all occur, it is probable that the Calibrator's Power Supplies, CPU, and Display are working properly. If any of these actions fail to occur, power and/or CPU operation should be checked as follows. 9.2.1 Checking The Power Sub-Systems 1. Check incoming line power for proper Voltage and Frequency. 2. Check the Circuit breaker on the Calibrator's rear panel. 3.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 9.2.2 Checking The CPU And Display When the analyzer is turned on, the front panel display should energize and the green "Sample" LED should light. If proper DC power is present (see Section 9.2.1), the absence of these actions will usually indicate either a CPU or Display failure. To determine which module is defective, perform the following procedure: 1. Turn off power. 2.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 9-1: Warning Messages Warning Message Meaning Corrective Action ANA LAMP WARNING The O3 REF value is greater than 5000 mV or less than 2500 mV. Check and adjust Source Lamp and UV detector as described in Section 9.6.6. ANA LAMP SHUTDOWN Temperature control of the Source Lamp cannot be maintained at its 52oC set point. Check source lamp heater and thermistor as described in Section 8.10.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 9.4 Troubleshooting Using Test Function Values The Model 401 Photometric Calibrator provides the capability to display, on operator demand, the values of Test Functions which allow the observation of key analyzer operating parameters. These Test Functions can be accessed by depressing the TEST Button on the instrument's front panel, with each depression of the button causing the next test function to be displayed.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 9-2: Test Function Values (Continued) Test Function Corrective Action for Unacceptable Values Meaning Acceptable Values SAMPLE FLOW Sample mass flow rate. 700-900 cc./min Check for pneumatic system problems. See Section 9.6.1. Check for flowmeter problems. See Section 9.6.5. SAMPLE TEMP The temperature of the sample gas in the absorption cell. 1°-5° C above ambient See Section 9.6.2.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 9.5.1 Noisy Or Unstable Readings At Zero 1. Check for leaks in the pneumatic system as described in Section 10.3. 2. Confirm that the Zero gas is free of Ozone. 3. Confirm that the Source Lamp is fully inserted and that the lamp hold-down thumb- screw is tight. 4. Check for a dirty Absorption Cell and/or pneumatic lines. Clean as necessary as described in Section 10.4. 5.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 9.5.4 Analog Outputs Do Not Agree With Front Panel Readings 1. Confirm that the DAC offset (SETUP-MISC-D/A-OFFS) is set to zero. 2. Perform a DAC/ADC adjustment and Dark Signal adjustment by following the procedure described in Sections 8.2 and 8.3. 9.5.5 Cannot Zero 1. Check for leaks in the pneumatic system as described in Section 10.3. 2. Confirm that the Zero gas is free of Ozone. 3.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 9.6 Troubleshooting Individual Sub-Assemblies And Components The following sections provide troubleshooting/check-out methods for the specific subassemblies and components of the Calibrator. 9.6.1 Troubleshooting Flow Problems When troubleshooting flow problems, it is a good idea to first confirm that the actual flow and not the flow-meter is in error.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 9.6.2 Troubleshooting Temperature Problems The Model 401 has been designed to operate at ambient temperatures between 5oC and 40oC. As a first step in troubleshooting temperature problems, confirm the ambient temperature is within this range and that the air inlets slots on the sides of the cover and the fan exhaust on the rear panel are not obstructed. The instrument monitors four temperatures: 1. Sample Temperature 2.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Chassis Temperature Turn the analyzer off and remove the DC Power Supply Board. Measure across Motherboard J21 pins A30 and C30. If thermistor resistance(s) are within the proper range, check the temperature linearization circuits on the DC Power Supply Board as described in Section 9.6.4.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 2.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 9.6.4 Checking The DC Power Supply Board A schematic and physical diagram of the DC Power Supply Board are shown on Drawings 00015 and 00016 in Appendix D. The overall performance of the DC Power Supply Board can be checked by observing the value of the DCPS test functions.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Four Temperature linearization circuits are contained on the DC Power Supply board. The outputs of these circuits can be checked by measuring the voltages at test points on the board as follows: TP1 TP2 TP3 TP4 Sample Temp Source Lamp Temp IZS Lamp Temp Chassis Temp 30° C=2.5V, ± 0.125V/°C 50° C=2.5V, ± 0.125V/°C 50° C=2.5V, ± 0.125V/°C 20° C=2.5V, ± 0.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 9-5: UV Source Lamp And Detector Diagnostics UV Source Lamp and Detector Diagnostics O3 REF Value Meaning 4700 mV to 5000 mV The Source Lamp and Detector are operating, but adjustment is required. 4000 mV to 4700 mV The Source Lamp and Detector are operating properly; no adjustment is needed. 2500 mV to 4000 mV The Source Lamp and Detector are operating. Adjustment is useful but not required.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 NOTE In cold, ambient conditions, it may require 5 to 15 minutes of warmup before the source lamp initially fires. Be sure to wait for this period before troubleshooting the lamp/detector. Detector Pre-Amp or V/F Failure The O3 REF test value of less than 75 MV usually indicates a failure of the Detector Pre-Amp. Confirm that the V/F is operating properly as described in Section 9.6.3.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 WARNING Hazardous voltage present - use caution. 1. Unplug the cable connector at J1 on the Lamp Power Supply and confirm that +24VDC is present between Pins 1 and 2 on the cable connector. If this voltage is incorrect, check the Power Supply Module as described in Section 9.6.4. 2.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Warranty/Repair Questionnaire Model 401 TELEDYNE INSTRUMENTS Advanced Pollution Instrumentation A Teledyne Technologies Company 9.7 Warranty/Repair Questionnaire CUSTOMER: PHONE: __________________________________________ CONTACT NAME: FAX NO. __________________________________________ SITE ADDRESS: ______________________________________________________________________________________ MODEL 401 SERIAL NO.: 1.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 10 ROUTINE MAINTENANCE NOTE The operations outlined in this chapter are to be performed by qualified maintenance personnel only. 10.1 Maintenance Schedule Table 10-1 shows a typical maintenance schedule for the Model 401. Please note that in certain environments (i.e. dusty, very high ambient pollutant levels) some maintenance procedures may need to be performed more often than shown.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 10.2 Leak Checking There are two methods of leak checking: 1. By vacuum: This is the simplest method but it does not show the location of a leak. 2. By pressure: By using bubble solution, this method shows a leak location. NOTE Be careful using the bubble solution. There is no internal pressure, the solution may enter and contaminate the cell. Use only bubbles, not liquid. If you know you have a leak, use pressure.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 10.4 Changing The Prom 1. Locate the CPU card by referring to Figure 1-7. 2. Remove the screws that hold the CPU card (SBC40 printed on the lever) top corner to the V/F card, then remove the card from the STD-BUS backplane. 3. Remove the two cables attached to the SBC40, taking note of the polarity. 4. Remove the card, laying it down on an insulating surface such that the card edge pins on the PCB are on the left.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 11 MODEL 401 SPARE PARTS AND EXPENDABLES KITS 11.1 Spare Parts For CE Mark Units NOTE Use of replacement parts other than those supplied by Teledyne API may result in non-compliance with European Standard EN 61010-1. Table 11-1: Spare Parts For CE Mark Units Part No.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 11-1: Spare Parts For CE Mark Units (Continued) Part No.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 11.2 Spare Parts For Non-CE Mark Units Table 11-2: Spare Parts For Non-CE Mark Units Part No.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Table 11-2: Spare Parts For Non-CE Mark Units (Continued) Part No.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Appendix A LIST OF AVAILABLE MODEL 401 OPTIONS Table A-1: Available Model 401 Options Option 1. RS-232 2. Status Outputs 3. Rack Mount and Slides 4.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Appendix B RECOMMENDED ZERO AIR SYSTEM The following is from the TECHNICAL ASSISTANCE DOCUMENT FOR THE CALIBRATION OF AMBIENT OZONE MONITORS - Richard J. Paur and Frank F. McElroy (1979). Zero air must be free of ozone and any other substance that might react with ozone (e.g. NO, NO2, various hydrocarbons, and particulates). Air from any source must be purified to remove such substances.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Appendix C REFERENCES 1. Calibration of Ozone Reference Methods, Code of Federal Regulations, Title 40, Part 50, Appendix D. 2. Technical Assistance Document for the Calibration of Ambient Ozone Monitors, EPA publication available from EPA, Department E (MD-77), Research Triangle Park, N.C. 27711. EPA-600/4-79-057, September 1979. 3.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev. J2 Appendix E ELECTRICAL SCHEMATIC INDEX Table E-1: Electrical Schematic Index Part No.
Teledyne API Model 401 O3 Photometric Calibrator Instruction Manual, 01124, Rev.