Operating Instructions SECULIFEHITAM HITMD METRAHIT AM BASE, AM PRO, AM TECH, AM XTRA * METRAHIT OUTDOOR Advanced Multimeters / Special Multimeters 3-349-352-03 17/2.
Standard Equipment Contact Persons Standard Equipment 1 Multimeter 1 Measurement cable set 2 Batteries 1 DAkkS calibration certificate 1 Abbreviated operating instructions – Detailed operating instructions for download from our website at www.gossenmetrawatt.
Contact Persons Accessories (sensors, plug inserts, adapters, consumable materials) The accessories available for your instrument are checked for compliance with currently valid safety regulations at regular intervals, and are expanded as required for new applications.
Standard Equipment Recalibration Service We calibrate and recalibrate all instruments supplied by GMC-I Messtechnik GmbH, as well as other manufacturers, at our service center, for example after one year within the framework of your test equipment monitoring program, as well as prior to use etc.
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Table of Contents Contents Page Contents Page 1 Safety Features and Precautions ....................................... 8 5 1.1 1.2 1.3 Use for Intended Purpose ................................................................10 Meanings of Danger Symbols ..........................................................11 Meanings of Acoustic Warning Signals ............................................11 2 Operating Overview – Connections, Keys, Rotary Switch, Symbols .....................................
Table of Contents Contents Page 5.7.3 Direct and Pulsating Current Measurement with Current Sensor Clamp, A DC and A (DC+AC) ...........................................................................42 5.7.4 Alternating Current Measurement with Current Sensor Clamp A AC and Hz .................................................................................. 43 5.7.5 Direct, Pulsating and Current Measurement with Current Transformer Clamp A DC, A (DC+AC), A AC and Hz (not METRAHITAM BASE) ....
Safety Precautions 1 Safety Features and Precautions You have selected an instrument which provides you with a high level of safety. This instrument fulfills the requirements of applicable EU guidelines and national regulations. We confirm this with the CE marking. The relevant declaration of conformity can be obtained from GMC-I Messtechnik GmbH.
Safety Precautions • Weak battery If the “weak battery” icon appears in the battery level indicator, it’s no longer permissible to perform safety-relevant measurements. Furthermore, compliance with the listed specifications is no longer assured in the case of a weak battery. • Be prepared for the occurrence of unexpected voltages at devices under test (e.g. defective devices). For example, capacitors may be dangerously charged. • Make certain that the measurement cables are in flawless condition, e.g.
Safety Precautions Defects and Extraordinary Strains If it may be assumed that the instrument can no longer be operated safely, it must be removed from service and secured against unintentional use. Safe operation can no longer be relied upon: • If the device demonstrates visible damage • If the instrument no longer functions, or if malfunctioning occurs • After long periods of storage under unfavorable conditions, e.g. humidity, dust or extreme temperature (see “Ambient Conditions” on page 60) 10 1.
Safety Precautions 1.2 ! Meanings of Danger Symbols Warning concerning a point of danger (attention: observe documentation!) Warning concerning dangerous voltage at the measurement input: U > 55 V AC or U > 70 V DC 1.
Operating Overview – Connections, Keys, Rotary Switch, Symbols 2 Operating Overview – Connections, Keys, Rotary Switch, Symbols 16 chapter 7 15 chapter 3.1 * 1 chapter 4.3 chapter 6 15 2 chapter 4.1.2 chapter 3 14 3 chapter 3 12 4 chapter 5 chapter 6 12 5 chapter 6 chapter 4.4 6 chapter 3 ff. 7 chapter 1.2 8 chapter 3 10 chapter 4.1 9* chapter 4.1 max. 1000 V ! / SECULIFE HITAM & MD: max.
Operating Overview – Connections, Keys, Rotary Switch, Symbols Symbols Used in the Digital Display 1 2 3 4 5 6 7 8 9 10 12 12 24 23 14 15 22 15 16 20 Battery level indicator 21 1 2 3 4 5 6 7 8 9 10 11 12 17 19 18 Battery full Battery OK 13 14 15 16 Battery weak Battery (almost) dead, U < 2.
Operating Overview – Connections, Keys, Rotary Switch, Symbols Symbols of Rotary Switch Positions Switch FUNC Display Measuring Function V~ Hz (V) V~ 1kHz Hz (V) 1kHz V~ 1 M V~ 1kHz Hz (V) 1kHz Hz (V) 1 M V V MHz % 0/4 1 2 3 0/4 1 2 3 0/2 1 0/2 1 — 0/2 1 0/2 Alternating voltage, TRMS AC, full bandwidth Voltage frequency, full bandwidth Alternating voltage, TRMS AC, with low-pass (1 kHz) Voltage frequency, with low-pass (1 kHz) Alternating voltage, TRMS AC, full bandwidth, input 1 M Alternating volta
Operating Overview – Connections, Keys, Rotary Switch, Symbols Position of the infrared interface, window on the top of the instrument (METRAHIT AM XTRA / OUTDOOR and SECULIFEHITAM/MD only) User Interface Symbols in the Following Chapters ... Scroll through main menu ...
Initial Start-Up – Setup 3 Initial Start-Up 3.1 Inserting Batteries or Rechargeable Batteries Be certain to refer to chapter 9.2 regarding correct battery installation. Momentary battery voltage can be queried in the Info menu (see chapter 6.3). ! Attention! Disconnect the instrument from the measuring circuit before opening the battery compartment lid in order to replace the batteries.
Initial Start-Up – Setup 3.4 Switching the Instrument Off Switching the Instrument Off Manually ➭ Press the ON / OFF | LIGHT key until 0FF appears at the display. ON / OFF LIGHT Shutdown is acknowledged with a brief acoustic signal. Automatic Shutdown The instrument is switched off automatically if the measured value remains unchanged for a long period of time (maximum measured value fluctuation of approx. 0.
Control Functions 4 Control Functions 4.1 Selecting Measuring Functions and Measuring Ranges The rotary switch is linked to the automatic socket blocking mechanism, which only allows access to two connector jacks for each function. Be certain to remove the appropriate plug from its respective jack before switching to and from the “A” functions.
Control Functions 4.1.3 Quick Measurements Measurements performed using a suitable fixed measuring range are executed more quickly than those which utilize automatic range selection. Quick measurement is made possible with the following two functions: • Manual measuring range selection, i.e. selection of the measuring range with the best resolution (see chapter 4.1.2). or • With the DATA function (see chapter 4.4).
Control Functions ➭ Briefly press the ZERO | ESC key. The instrument acknowledges storage of the reference value with an acoustic signal, and the “ZERO REL” or the “REL” symbol appears at the LCD. The value measured at the moment the key is pressed serves as a reference value. ➭ The reference value can be cleared by once again pressing the ZERO | ESC key. Notes Regarding Relative Measurement • Relative measurement effects the digital display only.
Control Functions 4.4 Measured Value Storage: DATA (auto-hold / compare) An individual measured value can be automatically “frozen” with the DATA function (auto-hold). This is useful, for example, when contacting the measuring points with the test probes requires your full attention.
Control Functions Example The voltage measuring range is set manually to 10 V. The first measured value is 5 V, which is stored to memory because it is greater than 10% of the measuring range (= 1 V), and is thus reliably above the background noise level. As soon as the measured values drops to less than 10% of the measuring range, i.e. amounts to less than 1 V which corresponds to removal of the test probes from the measuring point, the instrument is ready to store a new value. 4.4.
Control Functions 4.5 Measurement Data Recording (METRAHIT AM XTRA / OUTDOOR and SECULIFEHITAM/MD only) The METRAHIT AM XTRA / OUTDOOR / SECULIFEHITAM/MD is capable of recording measurement data using an adjustable sampling rate for long periods of time in the form of measurement series. Data are stored to a battery backed memory module, and are retained even after the multimeter is switched off. The system acquires measured values relative to real-time.
Control Functions During Recording STORE is displayed underneath the analog display during memory mode operation, and memory occupancy can be controlled: Querying Memory Occupancy Memory occupancy can be queried during recording with the help of the “1nFo ” menu (see also chapter 6.3). Memory occupancy range: 000.1% to 099.9%. StoP 000.3% MEASURE SETUP The following message appears as soon as memory is full: “100.0%”.
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V/Hz, , Temperature, 5 Measurements 5.1 Voltage Measurement and A/Hz Measurements Notes Regarding Voltage Measurement • The multimeter may only be operated with installed batteries or rechargeable batteries. Dangerous voltages are otherwise not indicated, and the instrument may be damaged. • The multimeter may only be operated by persons who are capable of recognizing contact hazards and taking the appropriate safety precautions.
V/Hz, , Temperature, 5.1.1 Direct and Pulsating Voltage Measurement, V DC and V (DC+AC) Note (This not does not apply to METRAHITAM BASE) Set the CL iP parameter to 0FF in the current clip setup menu. Otherwise all measured values are displayed in amperes, and are corrected by the amount resulting from the selected transformation ratio for an interconnected current sensor clamp. MEASURE SETUP FUNC ENTER 1nFo ...
V/Hz, , Temperature, and A/Hz Measurements 5.1.2 Alternating Voltage Measurement with 1 M Load Resistance and Frequency Measurement with Selectable Low-Pass Filter (METRAHIT AM X-TRA / AM TECH / AM PRO / OUTDOOR / SECULIFEHITAM/MD only) The measuring instrument includes a V1M switch position for electricians with an input resistance of approximately 1 M. Erroneous displays resulting from capacitive coupling during voltage measurement in power supply systems are reduced to a minimum in this way.
V/Hz, , Temperature, V Temp Measuring Ranges: V~: 100 mV1000 V Max. 1000 V (< 10 kHz) Max. 100 V (> 10 kHz) Hz: 1 Hz 100 kHz Pmax = 3 x 106 V x Hz for U > 100 V COM ~ Warnings regarding dangerous voltage: > 55 V AC or > 70 V DC: V~ 1M 1 kHz V~ with Filter ! 0225.6 V V 230.0 Hz with Filter ! AC TRMS V~ FUNC ENTER 0226.
V/Hz, , Temperature, and A/Hz Measurements 5.1.3 Alternating Voltage and Frequency Measurement V AC and Hz with Selectable Low-Pass Filter (METRAHIT AM X-TRA / AM TECH / AM PRO / OUTDOOR / SECULIFEHITAM/MD only) Note METRAHIT AM TECH: see note in chapter 5.1.1. ➭ In accordance with the voltage or frequency to be measured, turn the rotary switch to V~ or Hz. ➭ Connect the measurement cables as shown. The “” connector jack should be grounded.
V/Hz, , Temperature, V Temp Measuring Ranges: V~: 100 mV1000 V Max. 1000 V (< 10 kHz) Max. 100 V (> 10 kHz) Hz: 1 Hz 100 kHz Pmax = 3 x 106 V x Hz for U > 100 V COM ~ V~ Hz V~ AC TRMS FUNC ENTER 050.03 AC Hz Hz 230.0 > 1000 V: Voltage Comparator for Displaying Dangerous Voltage The input signal or measuring signal is checked by a voltage comparator for dangerous spikes, because these do not appear at the display when the low-pass filter is used.
V/Hz, , Temperature, and A/Hz Measurements 5.1.4 Frequency and Duty Cycle Measurements (METRA HIT AM XTRA / OUTDOOR / SECULIFEHITAM/MD only) ➭ Set the rotary switch to MHz or %. MHz MHz 1.0323 ➭ Connect the measurement cables as shown. Make sure that a current measuring range (“A”) has not been activated when the multimeter is connected for frequency or duty cycle measurement! fP MHz % FUNC ENTER U ! Attention! The applied signal voltage may not exceed 5 V. 002.
V/Hz, , Temperature, 5.2 Resistance Measurement, ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors. 000.00 ➭ Make sure that the device under test is voltage-free. Interference voltages distort measurement results! Refer to chapter 5.1.1 regarding testing for the absence of voltage with the help of the direct voltage measurement. Measuring Ranges: 100 40 M ➭ Connect the device under test as shown.
V/Hz, , Temperature, and A/Hz Measurements 5.3 Continuity Test ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors. 000.8 ➭ Make sure that the device under test is voltage-free. Interference voltages distort measurement results! ➭ Set the rotary switch to . FUNC ENTER ➭ Connect the conductor path under test as shown.
V/Hz, , Temperature, and A/Hz Measurements 5.4 Diode Testing with a Constant Current of 1 mA ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors. 000.8 ➭ Make sure that the device under test is voltage-free. Interference voltages distort measurement results! Refer to chapter 5.1.1 regarding testing for the absence of voltage with the help of the direct voltage measurement. ➭ Set the rotary switch to FUNC ENTER .
V/Hz, , Temperature, and A/Hz Measurements 5.5 Temperature Measurement Temperature measurement is performed with a type K thermocouple (accessory, not included), which is connected to the voltage input. Alternatively, a Pt100 or Pt1000 resistance thermometer can be used with the METRA HIT AM XTRA / OUTDOOR / SECULIFEHITAM/MD . Selecting the Unit of Measure for Temperature MEASURE SETUP 1nFo ...
V/Hz, , Temperature, 5.5.2 Measurement with Resistance Thermometers (METRA HIT AM XTRA / OUTDOOR / SECULIFEHITAM/MD only) ➭ Set the rotary switch to “TempTC” or “TempRTD”. ➭ Upon pressing the FUNC | ENTER key, the selected value is activated and the display is returned to the measuring function. Cable resistance remains in memory even after the instrument has been switched off. The last selected temperature measurement or sensor, i.e.
V/Hz, , Temperature, and A/Hz Measurements 5.6 Capacitance Measurement (METRA HIT AM XTRA / OUTDOOR / SECULIFEHITAM/MD and METRAHIT AM TECH only) ➭ Disconnect supply power from the electrical circuit of the device to be measured, and discharge all high-voltage capacitors. ➭ Make sure that the device under test is voltage-free. Capacitors must always be discharged before measurement is performed. Interference voltages distort measurement results! Refer to chapter 5.1.
V/Hz, , Temperature, 5.7 Current Measurement Notes Regarding Current Measurement • The multimeter may only be operated with installed batteries or rechargeable batteries. Dangerous currents are otherwise not indicated, and the instrument may be damaged. • Set up the measuring circuit in a mechanically secure fashion, and secure it against inadvertent breaks. Select conductor cross-sections and lay out connections such that they do not overheat.
V/Hz, , Temperature, and A/Hz Measurements 5.7.1 Direct and Pulsating Current Measurement, Direct Connection, A DC and A (DC+AC) (METRAHIT AM X-TRA / AM TECH / AM PRO / OUTDOOR / SECULIFEHITAM/MD only) ➭ First disconnect supply power from the measuring circuit or the power consumer (1), and discharge any capacitors. A A Current measurement may only be performed with installed batteries! ➭ In accordance with the current to be measured, turn the rotary switch to A or A .
V/Hz, , Temperature, 5.7.2 Alternating Current and Frequency Measurement, Direct Connection, A AC and Hz (METRAHIT AM X-TRA / AM TECH / AM PRO / OUTDOOR / SECULIFEHITAM/MD only) ➭ First disconnect supply power from the measuring circuit or the power consumer (1), and discharge any capacitors. ➭ In accordance with the current or frequency to be measured, turn the rotary switch to A~ or Hz. ➭ Select the desired measured quantity by briefly pressing the FUNC | ENTER multifunction key.
V/Hz, , Temperature, and A/Hz Measurements 5.7.3 Direct and Pulsating Current Measurement with Current Sensor Clamp, A DC and A (DC+AC) Transformer Output, Voltage/Current When a current sensor clamp is connected to the multimeter V input, METRAHITAM BASE: V input), all current displays appear with the correct value in accordance with the selected transformation factor.
V/Hz, , Temperature, 5.7.4 Alternating Current Measurement with Current Sensor Clamp A AC and Hz Transformer Output, Voltage/Current When a current sensor clamp is connected to the multimeter V input, METRAHITAM BASE: V input), all current displays appear with the correct value in accordance with the selected transformation factor.
V/Hz, , Temperature, and A/Hz Measurements 5.7.5 Direct, Pulsating and Current Measurement with Current Transformer Clamp A DC, A (DC+AC), A AC and Hz (not METRAHITAM BASE) Transformer Output, Current/Current When a current transformer clamp is connected to the mA/A multimeter input (not METRAHITAM BASE), all current displays appear with the correct value in accordance with the selected transformation factor.
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Device and Measuring Parameters 6 Device and Measuring Parameters The instrument’s “SET ” mode (menu mode) makes it possible to set operating and measuring parameters, query information and activate the interface. ➭ The menu mode is accessed by pressing the MEASURE | SETUP key, assuming that the instrument is switched on and set to “Measure” (measuring mode operation). “1nFo ” appears at the display. ➭ The main menus, i.e.
Device and Measuring Parameters 6.1 Paths to the Various Parameters 020.00 DC V AC TRMS MEASURE SETUP 6.2 1nfo Main Menus 1nFo StorE * SEnd * SET tEMP FUNC ENTER FUNC ENTER FUNC ENTER FUNC ENTER FUNC ENTER Sub-Menus / Parameters Query Set bAtt: 000.0 VerSion: 1tEMP: dAtE: t iME: 0CCvP: * Set Set StArt rAtE * 0.diSP A.
Device and Measuring Parameters 6.3 Querying Parameters – InFo Menu (as moving letters) bAtt – query battery voltage FUNC MEASURE 1nFo ENTER bAtt: 2.75 V. SETUP vErSion – query firmware version FUNC MEASURE 1nFo ENTER bAtt: vErSion: 2.09 SETUP ItEMP – query reference temperature The temperature of the internal reference junction is measured with a temperature sensor in close proximity to the input sockets. FUNC MEASURE 1nFo ENTER bAtt: ...
Device and Measuring Parameters A.diSP – analog display: select display mode One of two different display modes can be selected for the analog display: • bArG: bar graph • Point: pointer MEASURE SETUP 1nFo ... SET FUNC ENTER bArG / Point FUNC ENTER rAtE ... A.diSP FUNC ENTER 10 ... 59 min on FUNC ENTER 1nFo ... SET FUNC ENTER 1, 10, 20, 30, 40, 90 rAtE ...
Device and Measuring Parameters dAtE – enter date Entering the current date makes it possible to acquire measured values in real-time. MEASURE SETUP FUNC ENTER 1nFo ... SET FUNC ENTER FUNC ENTER FUNC ENTER Date and time must be reentered after replacing the batteries. tiME – set time Entering the correct time makes it possible to acquire measured values in real-time. MEASURE SETUP FUNC ENTER 1nFo ... SET FUNC ENTER 10:24 (hh:mm) See chapter 5.7.3 ff. rAtE ... dAtE 31.
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Interface Operation 7 Interface Operation (METRAHIT AM XTRA / OUTDOOR / SECULIFEHITAM/MD only) The METRAHIT AM XTRA / OUTDOOR is equipped with an infrared interface for the transmission of measurement data to a PC. Measured data are optically transferred through the instrument housing by means of infrared light to an interface adapter (accessory), which is attached to the multimeter. The adapter’s USB interface allows for the establishment of a connection to the PC via an interface cable.
Interface Operation 7.2 Configuring Interface Parameters irStb – status of the infrared receiver in the stand-by mode There are two possible switching statuses for the infrared interface when the multimeter is switched off: iron: IR appears at the display and the infrared interface is active, i.e. signals such as making commands can be received, and power is consumed even though the multimeter is switched off.
Technical Data 8 Technical Data Meas. Function Measuring Range V 100 mV 1 V 10 V 100 V 1000 V AM PRO A AM TECH A not AM BASE A 1) 2) 3) 54 AM XTRA / OUTDOOR 100 A 1 mA 10 mA 100 mA 1 A 10 A 10 mA 100 mA 1 A 10 A Factor: 1:1/10/100/1000 0.1/1/10/100 A 1/10/100/1000 A 10/100/1000/10000A 0.1/1/10/100 A 1/10/100/1000 A 10/100/1000/10000A AM PRO AM XTRA OUTDOOR 11,999 AM TECH A Resolution at Upper Range Limit 100 1 10 100 1 10 40 100 5.
Technical Data Meas. Function F AM XTRA OUTDOOR AM TECH Hz (V) Hz (A) Hz (A ) Hz (V) Hz (A) MHz AM XTRA OUTDOOR % AM XTRA OUTDOOR Measuring Range Resolution at Upper Range Limit 11,999 10 100 1 10 100 1000 nF nF F F F F 100.00 Hz 1.0000 kHz pF pF nF nF nF F Discharge resistance 10 M 1 M 100 k 12 k 3 k 3 k 0.01 Hz 0.1 Hz Value U0 max 0.7 0.7 0.7 0.7 0.7 0.7 fmin 7) V V V V V V 1 Hz 1 Hz 100.00 kHz 10 Hz 10 Hz 30.00 kHz 10 Hz 10 Hz 100 Hz ... 1 MHz 0.01 ...
Technical Data Influencing Quantities and Influence Error Influencing Quantity Temperature Sphere of Influence 0 C ... +21 C and +25 C... +40 C Measured Quantity / Measuring Range 1) V 0.2 + 10 V 0.4 + 10 100 ... 1 M 0.5 + 10 > 1 M 1 + 10 mA/A 0.5 + 10 mA/A 0.8 + 10 10 nF ... 100 F 1) Intrinsic Error 3) ... % rdg. + ... d) Influence Error (...% rdg. + ... d) / 10 K Influencing Quantity Meas. Quantity/ Meauring Range Hz 0.2 + 10 0.5 + 10 C/F thermocouple K 0.
Technical Data Influencing Quantity Crest factor CF 5) Sphere of Influence Measured Quantity / Measuring Range 1 ... 3 V > 3 ... 5 Influence Error 5) 1 % rdg. ,A 3 % rdg. Except for sinusoidal waveshape Influencing Qty. Sphere of Infl. Measured Quantity Influence Error V A, , Hz, C 1 x intrinsic error Reference Conditions +23C 2 K 40 ... 75% 45 ... 65 Hz sine 3 V 0.1 V Ambient temperature Relative humidity Measured qty. frequency Measured qty.
Technical Data Data Interface (METRAHIT AM XTRA / OUTDOOR / SECULIFEHITAM/MD only) Type Optical via infrared light through the housing Data transmission (data transfer) Protocol Baud Rate Functions Serial, bidirectional (not IrDa compatible) Device specific 38,400 baud – Select/query measuring functions and parameters – Query/transmit momentary measurement data – Read out stored measurement data The USB X-TRA plug-in interface adapter (see accessories) is used for adaptation to the PC’s USB port.
Technical Data Display Acoustic Signals LCD panel (65 mm x 36 mm) with analog and digital display including unit of measure, type of current and various special functions For voltage For current Background illumination Background illumination is switched off approximately 1 minute after it has been activated. Fuse for METRAHIT AM XTRA / AM TECH / AM PRO METRAHIT OUTDOOR / SECULIFEHITAM/MD Fuse Analog Display Scaling Polarity display Overflow display Measuring rate Digital Display / Char.
Technical Data Electromagnetic Compatibility (EMC) Mechanical Design Interference emission EN 61326-1:2013, class B Interference immunity EN 61326-1:2013 EN 61326-2-1:2013 Housing Dimensions Weight Protection Ambient Conditions Operating temp. range TA Storage temp. range Relative humidity Elevation Deployment 60 10 C ... +50 C 25 C ... +70 C (without batteries) Max.75%, no condensation allowed, METRAHIT OUTDOOR & SECULIFEHITAM/MD only: max.
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Maintenance – Calibration 9 Maintenance and Calibration ! 9.1 Attention! Disconnect the instrument from the measuring circuit before opening the battery compartment lid or fuse cover in order to replace batteries or fuses! Displays – Error Messages Message Function Meaning FUSE Current measurement Blown fuse In all operating modes Battery voltage has fallen below 2.0 V Measurement Indicates overflow 0L 9.
Maintenance – Calibration Replacing the Batteries ! Attention! Disconnect the instrument from the measuring circuit before opening the battery compartment lid in order to replace the batteries. • In the active current measuring range when voltage is applied If the fuse is blown or has not been inserted, “FuSE” appears at the digital display. The fuse interrupts the current measuring ranges. All other measuring ranges remain functional. ➭ Set the instrument face down onto the working surface.
Maintenance – Calibration ! Attention! Use specified fuses only! If fuses with other blowing characteristics, other current ratings or other breaking capacities are used, the operator is placed in danger, and protective diodes, resistors and other components may be damaged. The use of repaired fuses or short-circuiting the fuse holder is prohibited.
Maintenance – Calibration 9.6 Recalibration The respective measuring task and the stress to which your measuring instrument is subjected affect the ageing of the components and may result in deviations from the guaranteed accuracy. If high measuring accuracy is required and the instrument is frequently used in field applications, combined with transport stress and great temperature fluctuations, we recommend a relatively short calibration interval of 1 year.
Accessories 10 Accessories 10.1 General The extensive accessories available for our measuring instruments are checked for compliance with currently valid safety regulations at regular intervals, and are expanded as required for new applications.
Accessories 10.3 NA X-TRA Power Pack (not included) Use only the power pack from GMC-I Messtechnik GmbH in combination with your instrument. This assures operator safety by means of an extremely well insulated cable, and safe electrical isolation (nominal secondary ratings: 5 V / 600 mA). Installed batteries are disconnected electronically if the power pack is used, and need not be removed from the instrument.
Index 11 Index Numerics D 0.diSP ................................................................... 48 dAtE ................................................................. 48, 50 Default Settings .................................................... 50 Diode Test ............................................................. 35 Display Illumination .............................................. 16 Duty Cycle Measurement ..................................... 32 Automatic ..............................
Index Standard Equipment .............................................. 2 Switching the Instrument On Manual ..........................................................16 Via PC ............................................................16 Symbols Digital Display ...............................................13 Instrument .....................................................15 Rotary Switch Positions ................................14 T Temperature Measurement With Resistance Thermometers ................
Edited in Germany Subject to change without notice A pdf version is available on the internet GMC-I Messtechnik GmbH Südwestpark 15 90449 Nürnberg • Germany Phone +49 911 8602-111 Fax +49 911 8602-777 E-Mail info@gossenmetrawatt.com www.gossenmetrawatt.
