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31

DIGITAL MULTIMETER

6

INSTRUCTION MANUAL

APPA 98II

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Summary of Contents for 98II

Page 1: ...31 DIGITAL MULTIMETER 6 INSTRUCTION MANUAL APPA 98II ...

Page 2: ...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: ...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 Instruction manual 4 Protective holster ...

Page 4: ...rked on Equipment ATTENTION Refer to manual 1 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 ...

Page 5: ...nput connector 4 VΩ Hz Input Terminal Positive input connector for Volts Ohms Capacitance and Temperature Frequency 5 mA Input Terminal Positive input connector for Amp measurements up to 400mA 6 A Input Terminal Positive input connector for Amp measurements up to 10A 7 Range Switch Manual Range Range switch is pressed to select manual ranging and to change ranges When pressed the Range annunciato...

Page 6: ...d be used in MIN MAX mode or PMIN MAX mode 10 Hz Switch This switch is used to quickly view the frequency during measuring the AC voltage or current Press Hz switch once the LCD is changed to display frequency Push Hz switch again the LCD back to display the AC signal amplitude reading In Hz mode pressing RANGE key switch does not change the frequency range However the RANGE key switch changes the...

Page 7: ...6 Figure 1 ...

Page 8: ...dication is displayed when the battery voltage drops below operating voltage Sampling 2 times sec for digit 12 times sec for analog bargraph Auto Power Off Approx 30 minutes Operating Ambient 0 30 80 R H 30 40 75 R H 40 50 45 R H Storage Temperature 20 to 60 0 to 80 R H when battery removed from meter Temperature Coefficient 0 15 x Spec Acc y 18 or 28 Power Requirements Standard 9V battery NEDA 16...

Page 9: ...er 94mm x 188mm x 40mm with holster Accessories Protective Holster Battery installed Test leads and Instruction Manual 2 2 Environmental Conditions Indoor use Maximum Altitude 2000 Meter Installation Category IEC 1010 1000V Cat Ⅱ 600V Cat Ⅲ Pollution Degree 2 ...

Page 10: ... digits at 23 C 5 C less than 80 R H 1 DC Volts Range Resolution Accuracy Over voltage protection 400mV 100µV 0 25 reading 5digits DC 1000V 40V 10mV 0 25 reading 1digit 400V 100mV 1000V 1V 4V 1mV 0 4 reading 1digit Input Impedance 10MΩ over 1000MΩ in 400mV range ...

Page 11: ... 3 Frequency Response 50Hz 60Hz AC Conversion Type AC conversions are ac coupled true rms responding calibrated to the rms value sine wave input Range Resolution Accuracy Over voltage protection 2 0 reading 10digits 3 750V rms 1 3 reading 5digits 1 40Hz to 1KHz 400mV 0 1mV 40V 10mV 400V 100mV 750V 1V 4V 1mV 1 3 reading 5digits 1 2 ...

Page 12: ...e Resolution Accuracy Voltage Burden 0 6 reading 2digits 200mV max 0 7 reading 2digits 2V max 1 0 reading 3digits 2V max 40mA 10µA 400mA 0 1mA 10A 10mA Overload Protection 1A 500V fast blow fuse 10KA breaking capacity 440Vac for mA input size 32 6 3 mm 10A 500V fast blow fuse 10KA breaking capacity 440Vac for A input size 32 6 3 mm ...

Page 13: ... Protection 1A 500V fast blow fuse 10KA breaking capacity 440Vac for mA input size 32 6 3mm 10A 500V fast blow fuse 10KA breaking capacity 440Vac for A input size 32 6 3mm AC Conversion Type AC conversions are ac coupled true rms responding calibrated to the rms value sine wave input Crest Factor 1 5 addition error for C F from 1 4 to 3 C F Peak 3 0 addition error for C F from 3 to 4 RMS ...

Page 14: ...nge Resolution Accuracy Overload Protection 0 7 reading 3digits 600V rms 0 4 reading 3digits 0 6 reading 3digits 1 5 reading 5digits 400Ω 0 1Ω 4KΩ 1Ω 40KΩ 10Ω 400KΩ 100Ω 4MΩ 1KΩ 40MΩ 10KΩ Open circuit Voltage 1 3V approx ...

Page 15: ...ty Range Resolution Accuracy Max Test Current Max Open Circuit Voltage 1mV 1 5 reading 5digits 1 5mA 3V For 0 4V 0 8V Overload Protection 600V rms max Continuity Built in buzzer sounds when resistance is less than 30Ω approximately ...

Page 16: ...sitivity Accuracy Overload Protection 4 0KHz 40KRPM 1Hz 30RPM 100mV rms Frequency 0 01 1digit RPM 0 01 10digits 600V rms 40KHz 400KRPM 10Hz 300RPM 400KHz 4MRPM 100Hz 3KRPM 4MHz 40MRPM 1KHz 30KRPM 250mV rms 40MHz 400MRPM 10KHz 300KRPM 1V rms ...

Page 17: ...ad Protection 4nF 1pF 3 reading 10digits 600V rms 40nF 10pF 400nF 100pF 4µF 1nF 40µF 10nF 400µF 100nF 4mF 1µF 5 reading 20digits 40mF 10µF 2 reading 8digits 4mF and 40mF ranges may have rolling within accuracy specify reading half full scale of range ...

Page 18: ...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 40mA 8mA rms 400mA 80mA rms 10A 8A rms ACA ...

Page 19: ...an be turned back on by pressing any switch or changing the rotary switch If the meter is Re Powered by pressing a switch the LCD displays the saved state press the Hold switch to disable the hold state The meter will alarm 15 seconds before automatically turning power off any key press or rotary change will reset Auto Power Off 11 Disable Auto Power Off In order to disable auto power off function...

Page 20: ...peration and to retain the instru ment in safe condition 3 1 Preparation and Caution before Measurement 1 Before measurement warm up for at least 60 seconds 2 When the rotary function selector is changed during measurement be sure do so only after removing the test leads from the equipment 3 If the equipment is used near noise generating equipment be aware that may become unstable or indicate larg...

Page 21: ...ARNING TO AVOID ELECTRICAL SHOCK HAZARD OR DAMAGE TO METER DO NOT A ATTEMPT TO MEASURE VOLTAGE THAT MIGHT EXCEED 1000V ms DO NOT APPLY MORE THAN 1000V rms BETWEEN THE COMMON INPUT TERMINAL AND EARTH GROUND NOTICE UNSTABLE DISPLAY MAY OCCUR ESPECIALLY AT 400mV RANGE EVEN THOUGH YOU DON T PUT TEST LEADS INTO INPUT TERMINALS IN THIS CASE IF AN ERRONEOUS READING IS SUSPECTED SHORT THE VΩHz TERMINAL AN...

Page 22: ...e Measurement 1 Connect the red test lead to the VΩHz terminal and the other black test lead to the COM terminal 2 Set the rotary function selector to Ω position to measure the resistance 3 For correct reading ensure that the device being tested contains no voltage 4 Connect the test leads across the resistor to be measured In order to ensure the best accuracy in measure ment of low resistance sho...

Page 23: ...e circuit measured is lower than 30Ω approximately 3 6 Diode Check 1 Set the rotary switch at Ω position 2 Connect black test lead to COM terminal and red lead to VΩ Hz input terminal 3 Connect test leads to the diode Normally the forward voltage drop of good silicon diode is shown between 0 400V and 0 900V If the diode under test is defective 0 000 short circuit or OL non conductance is displayed...

Page 24: ...o the circuit to be measured 3 8 Capacitance Measurement 1 Connect the red test lead to the V ΩHz terminal and the other black test lead to the COM terminal 2 Set the rotary function selector to position to measure capacitance 3 Connect the test leads to the circuit to be measured 4 In order to ensure the best accuracy in measurement of low capacitance to memorize the stray capacitance of open tes...

Page 25: ...procedure to replace the battery 1 Disconnect the test leads and turn the meter off Remove the test leads from the front terminals 2 Position the meter face down Unscrew the battery cover screw i 3 Lift the edge of the battery cover ii until it gently unsnaps from the case top 4 Lift the battery from the battery compartment and carefully disconnect the battery connector leads 5 Snap the battery co...

Page 26: ...25 Figure 2 Screw i Battery Cover ii 9V Battery ...

Page 27: ...the case bottom until it gently unsnaps from the case top 3 Remove the defective fuse by gently prying one end of the fuse loose and sliding the fuse out of the fuse holder 4 Install a new fuse of same size and rating Make sure the new fuse is centered in the fuse holder 5 Replace the case top and case bottom and battery cover Make sure that the battery leads do not become pinched between the case...

Page 28: ...KA capacity 440 Vac Top Case Bottom Case Fuse size is 32mm x 6 3mm 10KA capacity 440 Vac Radid Fuse 16A 500V Rapid Fuse 10A 500V 10KA capacity 440 Vac Rapid Fuse 1A 500V 10KA capacity 440 Vac Fuse size is 32mm x 6 3mm Figure 3 ...

Page 29: ...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 HOLDER ...

Page 30: ...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 ...

Page 31: ...30 HOW TO USE THE TILT STAND AND HOLSTER Meter in holster face down Hang on nail at workbench ...

Page 32: ... 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 ...

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