APPA 98II Instruction Manual

31 DIGITAL MULTIMETER 6 INSTRUCTION MANUAL APPA 98II

9 2-3 Electrical Specifications Accuracy is ± (% reading + number of digits) at 23°C ± 5°C , less than 80% R.H. (1) DC Volts Range Resolution Accu

10 (2) AC Volts Input Impedance : 10MΩ // less than 100pF. 1. ±(1.5% reading + 5digits) for (50% ~ full scale) of range. 2. Frequency Response : 40Hz

11 Crest Factor : +1.5% addition error for C.F. from 1.4 to 3 where C.F. = Peak +3.0% addition error for C

12 (4) AC Current Range Resolution Accuracy Voltage Burden ±(2.0%reading + 5digits) 200mV max 2V max ±(2.5%reading + 5digits)

13 (5) Resistance Range Resolution Accuracy Overload Protection ±(0.7%reading + 3digits) 600V rms ±(0.4%reading +3digits) ±(0.6%reading + 3digits)

14 (6) Diode Check and Continuity Range Resolution Accuracy Max. Test Current Max. Open Circuit Voltage 1mV ±(1.5%reading + 5digits)* 1.5mA 3V *

15 (7) Frequency / RPM Range Resolution Sensitivity Accuracy Overload Protection 4.0KHz/40KRPM 1Hz/30RPM 100mV rms Frequency :

16 (8) Capacitance Range Resolution Accuracy Overload Protection 4nF 1pF ±(3%reading + 10digits) 600V rms 40nF 10pF

17 (9) VAHz Function Range Sensitivity Accuracy ACV 400mV 40mV rms 0.01%reading + 5digits 4V 0.2V rms 40V 2V rms 400V 20V rms 750V 200V rms

18 (10) 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

1 # WARNING THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICI

19 OPERATION This instrument has been designed and tested in accordance with IEC Publication 1010, Safety Requirements for Electronic Measuring Appara

20 3-2 Voltage Measurements 1. Connect the red test lead to the “VΩHz” input terminal and the other (black) test lead to the “COM” terminal. 2. Set th

21 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 “CO

22 3-5 Continuity Check by Internal Sounder 1. Connect the red test lead to the “ VΩHz” terminal and the other (black) test lead to the “COM” termina

23 3-7 Hz / RPM Measurement 1. Connect the red test lead to the “ VΩ Hz ” terminal and the other (black) test lead to the “COM” terminal. 2. Set the

24 MAINTENANCE # WARNING : TO AVOID ELECTRICAL SHOCK REMOVE TEST LEAD BEFORE OPENING THE COVER. 4-1 General Maintenance 1. Repairs or servicing not

25 Figure 2 Screw (i) Battery Cover (ii) 9V Battery

26 4-3 Fuse Replacement Refer to Figure 3 and the following procedure to examine or replace the meter’s fuse: 1. Perform steps 1 though 3 of the batt

27 Radid Fuse 1A (500V), 10KA capacity @ 440 VacTop CaseBottom CaseFuse size is 32mm x 6.3mm10KA capacity @ 440 VacRadid Fuse 16A (500V), Rapid Fuse 1

28 Clip one probe on the holder for one handed meter operation. Wrap the leads around the holster to store the test probes. HOW TO USE THE PROBE

2 INTRODUCTION 1-1 Unpacking and Inspection Upon removing your new Digital Multimeter from its packing, you should have the following items: 1. Digi

29 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.

30 HOW TO USE THE TILT STAND AND HOLSTER Meter in holster face down. Hang on nail at workbench.

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-

3 1-2 Meter Safety Terms as Marked on Equipment. # ATTENTION — Refer to manual. 1 DOUBLE INSULATION — Protection Class Ⅱ. &quo

4 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.

5 8. Blue Switch — Press the switch to toggle between AC Voltage / Current and DC Voltage / Current in the Voltage / C

6 Figure 1

7 SPECIFICATIONS 2-1 General Specifications Display : The Liquid Crystal Display (LCD) has a maximum reading of 4000 and 82 segments bar graph. Polar

8 Dimensions (W x H x D) : 88mm x 180mm x 33.5mm , without holster. 94mm x 188mm x 40mm , with holster. Ac