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APPA 97II Instruction Manual
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APPA 97II Instruction Manual

Digital multimeter
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DIGITAL MULTIMETER
6
INSTRUCTION MANUAL
APPA 97II
28

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Summary of Contents for APPA 97II

  • Page 1 DIGITAL MULTIMETER INSTRUCTION MANUAL APPA 97II...
  • Page 2 # WARNING THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO.
  • Page 3 INTRODUCTION 1-1 Unpacking and Inspection Upon removing your new Digital Multimeter from its packing, you should have the following items: 1. Digital Multimeter. 2. Test lead set (one black, one red). 3. Operators manual. 4. Protective holster. 1-2 Meter Safety Terms as Marked on Equipment.
  • Page 4 Symbols in this Manual. This symbol indicates where cautionary or other information is found in the manual. FUSE Battery 1-2 Front Panel Refer to Figure 1 and to the following numbered steps to familiarize yourself with the meter’s front panel controls And connectors.
  • Page 5 7. Range Switch, (Manual Range) — “Range” switch is pressed to select manual ranging and to change ranges. When “Range” switch is pressed “RANGE ” annunciator on the LCD appears. Press “RANGE” switch to select appropriate range to be used. Press “RANGE ”...
  • Page 6 Figure 1...

  • Page 7: Specifications

    SPECIFICATIONS 2-1 General Specifications Display : The Liquid Crystal Display (LCD) with a maximum reading of 3400 and 70 segments bar graph. Polarity Indication : Automatic, positive implied, negative indicated. Overrange Indication : “OL” or “-OL”. Low Battery Indication : “ “...
  • Page 8 Dimensions (W x H x D) : 88mm x 180mm x 33.5mm , without holster. 94mm x 188mm x 40mm , with holster. Accessories : Protective Holster , batteries (installed), operators manual, test lead set. 2-2 Environmental Conditions Indoor use. Maximum Altitude : 2000 Meter.
  • Page 9 2-2 Electrical Specifications Accuracy is ¡Ó (% reading + number of digits) at 23°C ¡Ó 5°C at less than 80% R.H. (1) DC Volts Over voltage Range Resolution Accuracy protection 300mV 100µV 10mV ¡Ó ( 0.25% reading + 1digit)* DC 1000V 300V 100mV 1000V...
  • Page 10 (2) AC Volts Over voltage Range Resolution Accuracy protection ¡Ó ( 1.3% reading + 5 digits)* 10mV 750V rms ¡Ó ( 1.3% reading + 5 digits) 300V 100mV 40Hz to 1KHz 750V * Frequency Response : 40Hz ~ 500Hz for 3V Range. AC Conversion Type : Average Sensing rms indication.
  • Page 11 (3) DC Current Range Resolution Accuracy Voltage Burden 30mA 10µA ¡Ó ( 1.5% reading + 2 digits) 200mV max 300mA 0.1mA ¡Ó ( 1.5% reading + 2 digits) 2V max ¡Ó 10mA (2.0% reading + 2 digits) 2V max Overload Protection : 1A (500V) fast blow fuse 10KA breaking capacity @440Vac for mA input. Size = 32mm x 6.3mm 10A (500V) fast blow fuse 10KA breaking capacity @440Vac for A input.
  • Page 12 (4) AC Current Range Resolution Accuracy Voltage Burden 30mA 10µA 200mV max ¡Ó ( 2.0% reading + 5 digits) 300mA 0.1mA 2V max ¡Ó 10mA (2.5% reading + 5 digits) 2V max * Frequency Response : 40Hz ~ 1KHz. Overload Protection : 1A (500V) fast blow fuse 10KA breaking capacity @440Vac for mA input. Size = 32mm x 6.3mm 10A (500V) fast blow fuse 10KA breaking capacity @440Vac for A input.
  • Page 13 (5) Resistance Overload Range Resolution Accuracy Protection 300£[ ¡Ó ( 1.0% reading + 4 digits) 0.1£[ 3K£[ 1£[ ¡Ó ( 0.7% reading +3 digits) 30K£[ 10£[ 600V rms 300K£[ 100£[ ¡Ó ( 1.0% reading + 3 digits) 3M£[ 1K£[ ¡Ó ( 2.0% reading + 5digits) 30M£[ 10K£[ Open circuit Voltage : -1.5V approx.
  • Page 14 (6) Diode Check and Continuity Max. Open Max. Test Range Resolution Accuracy Circuit Current Voltage ¡Ó ( 1.5% reading + 5 digits)* 1.5mA * For 0.4V ~ 0.8V. Overload Protection : 600V rms max. Continuity : Built-in buzzer sound when resistance is less than 30£[ approximately.
  • Page 15 (7) Frequency / RPM Overload Range Resolution Sensitivity Accuracy Protection 3.0KHz/30KRPM 1Hz/30RPM Frequency : 30KHz/300KRPM 10Hz/300RPM 0.01% ¡Ó 1 digit 100mV rms 300KHz/3MRPM 100Hz/3KRPM 600V rms RPM : 3MHz/30MRPM 1KHz/30KRPM 0.01% ¡Ó 10 digits 30MHz/300MRPM 10KHz/300KRPM 250mV rms * Less than 20Hz the sensitivity is 1.5V rms.
  • Page 16 (8) Auto Power Off (APO) The APO sign on the LCD panel indicates the meter is working in the Auto Power Off mode. If the meter idles for more than 10 minutes, the meter automatically turns the power off. When this happens, the reading is saved.

  • Page 17: Operation

    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. This instruction manual contains some Information and warnings which have to be followed by the user to ensure safe operation and to retain the instru- ment in safe condition.
  • Page 18 3-2 Voltage Measurements 1. Connect the red test lead to the “V£[ Hz” input terminal and the other (black) test lead to the “COM ” terminal. 2. Set the rotary function to the V position. 3. Measurement of AC voltage can be performed by pressing the “BLUE” switch. WARNING TO AVOID ELECTRICAL SHOCK, HAZARD OR DAMAGE TO METER, DO NOT A ATTEMPT TO MEASURE VOLTAGES THAT MIGHT EXCEED 1000V ms.
  • Page 19 3-3 Current Measurement 1. Connect the red test lead to “mA” terminal and the other (black) test lead to “COM” terminal, or use the “A ” and “COM” terminal in the 10A range. 2. Set function selector rotary switch to “mA ” or “A” correspondingly. 3.
  • Page 20 3-5 Continuity Check by Buzzer 1. Connect the red test lead to the “V£[ Hz” terminal and the other (black) test lead to the “COM ” terminal. 2. Set the rotary function selector to “£[ : ” position. 3. Connect the test leads to the circuit to be measured. The buzzer will sound if the resistance of the circuit measured is lower than 30£[ approximately.
  • Page 21 3-7 Hz / RPM Measurement 1. Connect the red test lead to the “V£[ Hz” terminal and the other (black) test lead to the “COM ” terminal. 2. Set the rotary function selector to “Hz RPM” position to measure the frequency or RPM. 3.

  • Page 22: Maintenance

    MAINTENANCE # WARNING : TO AVOID ELECTRICAL SHOCK REMOVE TEST LEAD 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 battery.
  • Page 23 Screw (i) Battery Cover (ii) Battery Box (iii) 1.5V x 2 AAA batteries Figure 2...
  • Page 24 4-3 Fuse Replacement Refer to Figure 3 and the following procedure to examine or replace the meter’s fuse: 1. Perform steps 1 through 3 of the battery replacement procedure. 2. Than remove the two screws from the case bottom and lift the case bottom until it gently unsnaps from the case top.
  • Page 25 Bottom Case Rapid Fuse 10A (500V), Radid Fuse 16A (500V), 10KA capacity @ 440 Vac 10KA capacity @ 440 Vac Rapid Fuse 1A (500V), Radid Fuse 1A (500V), 10KA capacity @ 440 Vac 10KA capacity @ 440 Vac Top Case Fuse size is 32mm x 6.3mm Fuse size is 32mm x 6.3mm Figure 3...
  • Page 26 HOW TO USE THE PROBE HOLDER Clip one probe on the holder for Wrap the leads around the holster one handed meter operation. to store the test probes.
  • Page 27 HOW TO USE THE PROBE HOLDER Swing the stand out for easier meter reading. Swing the upper holder out and hook it over a door.
  • Page 28 HOW TO USE THE TILT STAND AND HOLSTER Meter in holster face down. Hang on nail at workbench.
  • Page 29 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 3 2003, APPA Tech., Corp. All rights reserved.