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Kusam-meco KM 839, Operation Manual

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AC TRMS 

DIGITAL MULTIMETER

MODEL - KM 839

TABLE  OF CONTENTS

TITLE

PAGE NO.

I.     

...........................

Safety..............................

II.    Cenelec Directives....................................

III.   Special Features.......................................

IV.   General Specifications.............................

V.     Electrical Specifications.........................

VI.    Product Description................................

VII.   Operation.................................................

VIII.  Maintenance............................................

IX.    Test Certificate.........................................

X.     Warranty...................................................

01

03

03

04

06

17

18

26

27

28

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Summary of Contents for KM 839

Page 1: ...esistance Tester Digital Panel Meters DC Power Supplies High Voltage Detector Calibrators Gas Analysers Frequency Counter Function Generator Phasing Sticks Battery Tester Waterproof Pen Testers Solar Power Meter EMF Detector Wood Paper Grain Moisture Meter Transistorised Electronic Analog Digital Insulation Resistance Testers upto 10 KV Digital Sound Level Meter Sound Level Calibrator Digital cont...

Page 2: ... OF CONTENTS TITLE PAGE NO I Safety II Cenelec Directives III Special Features IV General Specifications V Electrical Specifications VI Product Description VII Operation VIII Maintenance IX Test Certificate X Warranty 01 03 03 04 06 17 18 26 27 28 ...

Page 3: ...ips if any for applicable rating changes 02 Keep your hands fingers behind the hand finger barriers of the meter and the test probe assembly where applicable that indicate the limits of safe access of the hand held parts during measurements Inspect lead wires connectors and probes for damaged insulation or exposed metal before using the meter If any defects are found replace them immediately Only ...

Page 4: ...olster with probe holders tilt stand Diode Continuity Test Auto Power Off VFD Function 61 Segment Analog Bar graph Display Hold Record MAX MIN FEATURES 04 IV GENERAL SPECIFICATIONS Sensing AC True RMS Display 3 5 6 digits 6 000 counts 4 digits 20 000 counts max Polarity Automatic 3 5 6 digits Update Rate 5 per second nominal 4 digits Update Rate 5 per second nominal Bar graph Update Rate 61 Segmen...

Page 5: ...ocouple Carrying case Optional Accessories BKB32 banana plug to type K socket plug adaptor BMH 01 magnetic hanger BMP 86x Carrying case 06 ELECTRICAL SPECIFICATIONS Accuracy is reading digits number of digits or otherwise specified at 23 C 5 C less than 80 relative Humidity True RMS Voltage Current accuracies are specified from 1 to 100 of range or otherwise specified Maximum Crest Factor 1 8 1 at...

Page 6: ... 9999 V 0 01 mV 0 0001 V 0 001 V 0 01 V 0 1 V 0 01 mV 0 0001 V 0 001 V 0 01 V 0 1 V 08 600 0 A 60 00 mA 1 600 0 mA 1 rdg 4dgts 1 rdg 2dgts 0 2mV A 3mV mA 30mV A AC CURRENT 6000 count mode Range Resolution Accuracy 40Hz 3kHz 6000 A 6 000 A 2 10 00 A Burden Voltage 0 1 A 0 01 mA 0 1 mA 1 A 0 001 A 0 01 A Input Impedance 10M 110pF nominal 2 Unspecified for 5 of range 1kHz 5kHz 1 8 rdg 40 dgts Unspeci...

Page 7: ...uracy 40Hz 3kHz 1999 9 A 1 9999 A 1 10 000 A Burden Voltage Unspecified 0 2mV A 3mV mA 30mV A 0 01 A 0 001 mA 0 01 mA 0 1 A 0 0001 A 0 001 A 199 99 A 19 999 mA 199 99 mA 1999 9 A 1 9999 A 1 10 000 A 0 01 A 0 001 mA 0 01 mA 0 1 A 0 0001 A 0 001 A 10 Input Impedance 10M 110pF nominal 1 Unspecified for fundamental frequency 440Hz 2 Accuracy linearly decreases from 2 5 5d 200Hz to 9 0 5d 440Hz VFD AC ...

Page 8: ...000 count mode Range Resolution Accuracy Burden Voltage 1 600 0 A 1 60 00 mA 1 2 600 0 mA 0 18 rdg 4dgts 0 2mV A 3 0mV mA 30mV A 1 6000 A 6 000 A 3 10 00 A 0 1 A 0 01 mA 0 1 mA 1 A 0 001 A 0 01 A 0 18 rdg 2dgts 0 18 rdg 4dgts 0 3 rdg 3dgts 0 5 rdg 4dgts 0 7 rdg 2dgts 1 A mA DC accuracies will be affected by extreme interior temperatures of the meter For rated accuracies allow 6 to 20 minutes cool ...

Page 9: ...1 mF 14 1 Accuracies assume meter interior has the same temperature of the ambient isothermal stage for a correct junction voltage compensation Allow enough time to reach the isothermal stage for a significant change of ambient temperature It can take up to an hour for changes 5 C 2 Type K thermocouple range accuracy not included o o 40 0 C to 0 0 C o 1 2 0 C TEMPERATURE K Type Thermocouple Range ...

Page 10: ...Function Range Range Sensitivity sine Rms 199 99mV 600 0mV 1 9999V 6 000V 19 999V 60 00 V 199 99V 600 0V 1000 0V 1000V VFD 600 0V VFD 1000V 199 99 A 600 0 A 1999 9 A 6000 A 19 999mA 60 00mA 199 99mA 600 0mA 1 9999A 6 000A 10 000A 10 000A 40 mV 0 4 V 4 V 40 V 400 V 40 V 400 V 40 A 400 A 4 mA 40 mA 0 6 A 6 A 6 A 0 6 A 40 mA 4 mA 400 A 40 A 400 V 40 V 4 V 0 4 V 40 mV 6Hz 100kHz 6Hz 100kHz 10Hz 50kHz ...

Page 11: ...a traditional analog meter needle It is excellent in detecting faulty contacts identifying potentiometer clicks and indicating signal spikes during adjustments 18 CAUTION Before and after hazardous voltage measurements test the voltage function on a known source such as line voltage to determine proper meter functioning VI OPERATION Hz Hz ACV VFD ACV Functions Press the SELECT button momentarily t...

Page 12: ...stance that is S 1 or nS 1 G It virtually extends the Resistance measurements to the order of Giga Ohms for leakage measurements 20 When entering the 200 range manually by RANGE button for high precision low resistance measurement this feature will prompt you to short the inputs for temporary test lead resistance calibration on this range The fastest way is to short the leads to auto range to the ...

Page 13: ...apacitors should be discharged through an appropriate resistance load CAUTION Normal forward voltage drop forward biased for a good silicon diode is between 0 400V to 0 900V A reading higher than that indicates a leaky diode defective A zero reading indicates a shorted diode defective An OL indicates an open diode defective Reverse the test leads connections reverse biased across the diode The dig...

Page 14: ...ing reading as the reference value LCD turns on Press the REL button momen tarily to toggle Relative Zero mode 24 H Hold The hold feature freezes the display for later view LCD turns on Press the HOLD button momentarily to toggle the hold feature MAX MIN Recording Mode Press REC button momentarily to activate MAX MIN recording mode The LCD R MAX MIN turn on The meter beeps when a new MAX maximum o...

Page 15: ...ms The LCD C MAX turn on Press the button momentarily to read the MAX and MIN readings in sequence Press the button for 1 second or more to exit CREST mode Auto Power Off is disabled automatically in this mode 5ms CREST capture mode 26 Battery and Fuse replacement Loosen the screws from the access cover of the case bottom Lift the access cover Replace the batteries or fuse Re fasten the screws Bat...

Page 16: ...to extend a greater or different warranty on behalf of KUSAM MECO KUSAM MECO s warranty obligation is limited at option free of charge repair or replacement of a defective product which is returned to a KUSAM MECO authorized service center within the warranty period THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITE...

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