AC/DC CURRENT TRANSDUCER INSTRUCTION MANUAL APPA 30/30R
INTRODUCTION 1-1 Unpacking and Inspection Upon removing your new Digital Clamp Multimeter from its packing, you should have the following items: 1. Digital Clamp Multimeter. 2. Test lead set (one black, one red). 3. Carrying case. 4. Instruction manual. 5. Battery. 1-2 Meter Safety Terms as Marked on Equipment. ATTENTION — Refer to manual. DOUBLE INSULATION — Protection Class Ⅱ. DANGER — Risk of electric shock.
Symbols in this Manual. This symbol indicates where cautionary or other information is found in the manual. FUSE Battery 1-3 Front Panel Refer to Figure 1 and to the following numbered steps to familiarize yourself with the meter’s front panel controls and connectors. 1. Digital Display — The digital display has a 3 3/4 digit LCD readout (maximum reading 3999) plus decimal point , AC , DC , AUTO, HOLD, MAX , < and unit annunciators. 2.
. Function Switch — This slide switch is used to select V , V , A , A , Ω ,
7. Ω / < AC/DC Selection Switch — Push the "Ω / <, AC/DC" switch alternately to measure AC voltage or DC voltage in the " V I " function or to measure AC current or DC current in the " A I " function or to measure resistor or continuity in " Ω<" function. Auto power off disable mode — Press this switch until slide the function switch power on for 1 second it will cause the auto power off function disable. 8. Trigger — Press the lever to open the transformer jaws.
Figure 1 5
SPECIFICATIONS 2-1 General Specifications Display : 3 3/4 Digital Liquid Crystal Display (LCD) with a maximum reading of 3999. Polarity Indication : Automatic polarity indicated. Over range Indication : “OL” indicated. Low Battery Indication : ““ is displayed when the battery voltage drops below operating voltage. Measuring Rate : 2 times/second normal. Position Error : +/- 1% of reading. Type of Sensing : Hall effect sensing for AC and DC current. Shook Proof : 4 feet drops.
Max/Conductor Size : 22 mm diameter. Temperature Coefficient : 0.15 x ( spec.Acc’y ) / °C < 18°C or > 28°C . Size : 66 mm (W) x 192 mm (L) x 27 mm (H) . Weight : 205 grams (including battery) Accessories : Test leads, battery, manual and carrying case. 2-2 Environmental Conditions Indoor use. Maximum Altitude : 2000 Meter. Installation Category : IEC 1010 CAT. II 600V, CAT. III 300V Pollution Degree : 2 Operating Temperature : 0°C to 30°C (≦80% RH), 30°C to 40°C (≦ 75% RH), 40°C to 50°C (≦45% RH).
2-2 Electrical Specifications Accuracy is ± (% reading + number of digits) at 23°C ± 5°C at less than 80% R.H. (1) AC Voltage : Auto-ranging Range Resolution Accuracy 400.0mV 100μV ±(2.0% rdg + 5dgt ) 50Hz ~ 60Hz * 4.000V 1mV ±(1.5% rdg + 5dgt ) 40Hz ~ 300Hz 40.00V 10mV 400.0V 100mV 600V 1V Over voltage protection 600V rms ±(1.5% rdg + 5dgt ) 40Hz ~ 500Hz Input Impedance : ≧9MΩ // less than 100pF. * Less than 30 digital rolling.
AC Conversion Type : Average Sensing rms indication. -------(30) AC conversions are ac-coupled, true rms responding, calibrated to the rms value of a sine wave input . Accuracies are given for sine wave at full scale. For distorted signals, add the following Crest Factor corrections: --------(30R) For Crest Factor of 1.4 to 2.0, add 1.0% to accuracy. For Crest Factor of 2.0 to 2.5, add 2.5% to accuracy. For Crest Factor of 2.5 to 3.0, add 4.0% to accuracy.
(2) DC Voltage : Auto-ranging Range Resolution 400.0mV 100μV 4.000V 1mV 40.00V 10mV 400.0V 100mV 600V 1V Input Impedance : ≧ 9MΩ. 10 Accuracy Over voltage protection ±(0.
(5) Resistance Auto-ranging Range 400.0Ω Resolution 100mΩ 4.000KΩ 1Ω 40.00KΩ 10Ω 400.0KΩ 100Ω 4.000MΩ 1KΩ 40.00MΩ 10KΩ Overload Protection Accuracy ±(1.2% rdg + 6 dgt) *1 ±(0.9% rdg +3 dgt) *2 600V rms ±(1.2% rdg + 3 dgt) ±(2.
* 1: The reading maybe rolling ≦ 6 digits when the reading is close to full scale. * 2: The reading maybe rolling ≦ 3 digits when the reading is close to full scale. * 3: The response time is approximate 20 seconds. * : Put a low resistor in the input terminal before slide the sliding function switch to resistor and continuity function maybe cause a buzzer sound. (4) Continuity Built-in buzzer sound when measured resistance is less than 50Ω and sound off when measured resistance is more than > 300Ω .
(5) DCA : Auto-ranging Range Resolution 0 ~ 40.00A 10mA 40.0A ~ 200.0A 100mA 200.0A ~ 300.0A 100mA Accuracy Over voltage protection ±(1.0% rdg + 2 dgt) 400A rms ±(2.0% rdg + 2 dgt) For DCA & ACA : 1. Temperature Coefficient : 0.2 x (Spec.Acc'y) / °C < 20 °C or > 26°C . 2.
(6) ACA : Auto-ranging Range Resolution Accuracy 0 ~ 4.00A 10mA ±(1.0% rdg + 5 dgt) 4.00A ~ 40.00A 10mA 40.0A ~ 200.0A 100mA 200.0A ~ 300.0A 100mA ±(1.0% rdg + 3 dgt) Frequency Response 50Hz ~ 60Hz ±(3.0% rdg + 3 dgt) 400A r.m.s. ±(2.0% rdg + 7 dgt) 0 ~ 4.00A 10mA 4.00A ~ 40.00A ±(1.5% rdg + 5 dgt) 40.0A ~ 200.0A 100mA 200.0A ~ 300.0A 100mA Overload Protection ±(5.
AC Conversion Type : Average Sensing rms indication. -------(30) AC conversions are ac-coupled, true rms responding, calibrated to the rms value of a sine wave input . Accuracies are given for sine wave at full scale. For distorted signals, add the following Crest Factor corrections: --------(30R) For Crest Factor of 1.4 to 2.0, add 1.0% to accuracy. For Crest Factor of 2.0 to 2.5, add 2.5% to accuracy. For Crest Factor of 2.5 to 3.0, add 4.0% to accuracy.
7-2 On maximum hold mode the accuracy of resistance is specified from 400.0Ω to 400.0kΩ range only. (8) Auto Power Off The meter will automatically shut itself off after approximately 30 minutes after power on. OPERATION This instrument has been designed and tested in accordance with IEC Publication 1010, Safety Requirements for Electronic Measuring Apparatus and has been supplied in a safe condition.
3. The instrument should only be operated between 0°C ～ 50°C and at less than 80% R.H. except current function is operated between 0°C ～ 40°C . 4. Do not use or store this instrument in a high temperature or high humidity environment and do not store the unit in direct sunlight. 5. Do not replace battery with power on condition. 6. If the unit is not to be used for a long period of time , remove the battery. 7. Do not forget to turn off after use. 8.
3-2 AC/DC Current Measurement 1. Set the slide switch at " A B " position. 2. Open Spring-loaded clamp by pressing trigger on left side of meter. 3. Position clamp around wire or conductor and release clamp trigger smoothly , do not release quickly, make sure that the clamp is entirely closed. Position the conductors at the center of the clamp jaws for accurate measurement . The clamp must be positioned around only one conductors of a circuit .
Figure 2 19
Figure 3 20
3-3 AC/DC Voltage Measurement 1. Set the slide switch at " V B " position. 2. Connect the black test lead to the "COM" terminal on the bottom of the meter and the red test lead to the " V-Ω" terminal . You can now place the test probes on the conductors to make the measurement. 3. Pushing the AC/DC switch to select AC mode or DC mode. 3-4 Resistance Measurement 1. Set the slide switch at "Ω<" position. 2. Connect the black test lead to the "COM" terminal and red lead to the " V-Ω" terminal. 3.
MAINTENANCE WARNING : TO AVOID ELECTRICAL SHOCKS REMOVE TEST LEADS FROM INSTRUMENT BEFORE OPENING THE COVER. 4-1 General Maintenance 1. Repairs or servicing not covered in this manual should only be performed by qualified personal. 2. Periodically wipe the case with a dry cloth and detergent do not use abrasives or solvents. 4-2 Battery Installation or Replacement The meter is powered by two 1.5V alkaline battery. Refer to Fig. 4 and use the following procedure to replace the battery. 1.
Screw Battery Cover Battery Figure 4 23
APPA TECHNOLOGY CORP. 9F.119-1 Pao-Zong Rd., Shin-Tien, Taipai, 23115, Taiwan, R.O.C. P.O.Box. 12-24 Shin-Tien, Taiwan. Tel : 886-2-9178820 Fax : 886-2-9170848 E-MAIL:info @appatech.com http://www.appatech.com Printed In Taiwan Copright 1997, APPA Tech., Corp. All rights reserved.
