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DIGITAL MULTIMETER

6

INSTRUCTION MANUAL

APPA 97II

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Summary of Contents for 97II

Page 1: ...28 DIGITAL MULTIMETER 6 INSTRUCTION MANUAL APPA 97II ...

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: ...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 ATTENTION Refer to manual 1 DOUBLE INSULATION Protection Class Ⅱ DANGER Risk of electric shock ...

Page 4: ...ay The digital display has a 3400 counts LCD readout with 70 segments analog bar graph auto polarity decimal point AC DC RANGE HOLD APO and unit annunciators 2 Rotary Switch Select the Function and Range desired 3 COM Input Terminal Ground input connector 4 VΩ Hz Input Terminal Positive input connector for Volts Ohms and Frequency 5 mA Input Terminal Positive input connector for Amp measurements u...

Page 5: ...nctions when pressed the HOLD annunciator is displayed Conversions are made but the display is not updated 10 Hz Switch This switch is used to quickly view the frequency during measurement of the AC voltage or current Press Hz switch so that the LCD is changed to display frequency Press Hz switch again the LCD reverts back to display the AC signal amplitude reading In Hz mode pressing RANGE switch...

Page 6: ...5 Figure 1 ...

Page 7: ... 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 10 minutes Operating Ambient 0 C 30 C 80 R H 30 C 40 C 75 R H 40 C 50 C 45 R H Storage Temperature 20 C to 60 C 0 to 80 R H when battery removed from meter Temperature Coefficient 0 15 x Specified accuracy C 18 C or 28 C Power Requirements IEC L...

Page 8: ...ter 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 Installation Category IEC 1010 1000V Cat Ⅱ 600V Cat Ⅲ Pollution Degree 2 ...

Page 9: ... of digits at 23 C 5 C at less than 80 R H 1 DC Volts Range Resolution Accuracy Over voltage protection 0 25 reading 1digit DC 1000V 300mV 100µV 3V 1mV 30V 10mV 300V 100mV 1000V 1V Input Impedance 10MΩ over 1000MΩ in 300mV range 0 4 reading 1 digit in 3V range ...

Page 10: ...oltage protection 1 3 reading 5 digits 750V rms 1 3 reading 5 digits 40Hz to 1KHz 3V 1mV 30V 10mV 300V 100mV 750V 1V Frequency Response 40Hz 500Hz for 3V Range AC Conversion Type Average Sensing rms indication Input Impedance 10MΩ less than 100PF ...

Page 11: ...0mV max 1 5 reading 2 digits 2V max 2 0 reading 2 digits 2V max 30mA 10µA 300mA 0 1mA 10A 10mA 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 Size 32mm x 6 3mm ...

Page 12: ...digits 2V max 30mA 10µA 300mA 0 1mA 10A 10mA 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 Size 32mm x 6 3mm AC Conversion Type Average Sensing rms indication ...

Page 13: ...e Resolution Accuracy Overload Protection 1 0 reading 4 digits 600V rms 0 7 reading 3 digits 1 0 reading 3 digits 2 0 reading 5digits 300Ω 0 1Ω 3KΩ 1Ω 30KΩ 10Ω 300KΩ 100Ω 3MΩ 1KΩ 30MΩ 10KΩ Open circuit Voltage 1 5V approx ...

Page 14: ...ty Range Resolution Accuracy Max Test Current Max Open Circuit Voltage 1mV 1 5 reading 5 digits 1 5mA 3V For 0 4V 0 8V Overload Protection 600V rms max Continuity Built in buzzer sound when resistance is less than 30Ω approximately ...

Page 15: ...verload Protection 3 0KHz 30KRPM 1Hz 30RPM Frequency 0 01 1 digit RPM 0 01 10 digits 600V rms 30KHz 300KRPM 10Hz 300RPM 300KHz 3MRPM 100Hz 3KRPM 3MHz 30MRPM 1KHz 30KRPM 30MHz 300MRPM 10KHz 300KRPM 250mV rms 100mV rms Less than 20Hz the sensitivity is 1 5V rms ...

Page 16: ...s the saved reading press the Hold switch to disable the hold state The meter will give a series of alarm as automatically turns power off by itself 15 seconds before you can reset the time of Auto Power Off by pressing switch or rotates the rotary switch 9 Disable Auto Power Off To disable the auto power off function press any of the s witches other than HOLD or the BLUE switch whilst powering th...

Page 17: ...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 18: ...ING TO AVOID ELECTRICAL SHOCK HAZARD OR DAMAGE TO METER DO NOT A ATTEMPT TO MEASURE VOLTAGES 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 300mV RANGE EVEN THOUGH YOU HAVE NOT PUT TEST LEADS INTO INPUT TERMINALS IN THIS CASE IF AN ERRONEOUS READING IS SUSPECTED SHORT THE VΩHz TERMINAL A...

Page 19: ...3 4 Resistance 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 r...

Page 20: ...ured 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 VΩHz input terminal 3 Connect test leads to the diode Normally the forward voltage drop of good silicon diode is shown between 0 400V to 0 900V If the diode under test is defective 000 short circuit or OL non conductance is displayed During reverse ch...

Page 21: ...ect 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 Hz RPM position to measure the frequency or RPM 3 Connect the test leads to the circuit to be measured ...

Page 22: ...gure 2 and use the following 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 self retaining battery cover screw i 3 Lift the edge of the battery cover gently ii until it unsnaps from the meter case 4 Lift the battery box iii from the meter case and remove the 2 x AAA batter...

Page 23: ...22 Figure 2 1 5V x 2 AAA batteries Battery Cover ii Battery Box iii Screw i ...

Page 24: ... 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 case bottom Make sure that the battery leads do not be come pinched between the ...

Page 25: ...A 500V 10KA 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 ...

Page 26: ...25 HOW TO USE THE PROBE HOLDER Clip one probe on the holder for one handed meter operation Wrap the leads around the holster to store the test probes ...

Page 27: ...26 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: ...27 HOW TO USE THE TILT STAND AND HOLSTER Meter in holster face down Hang on nail at workbench ...

Page 29: ... 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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