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USER'S

MANUAL

TBM161/TBM162

Versatile AC/DC
Clamp-on Multimeter
Series

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Summary of Contents for TBM161

Page 1: ...USER S MANUAL TBM161 TBM162 Versatile AC DC Clamp on Multimeter Series ...

Page 2: ...ng equipment to be supplied from the fixed installation Note Examples include household office and laboratory appliances OVERVOLTAGE CATEGORY III Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations Note Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation OVERVOLTAGE CATEGORY IV Equipment...

Page 3: ...efects are found replace them immediately This Clamp on meter is designed to apply around or remove from uninsulated hazardous live conductors But still individual protective equipment must be used if hazardous live parts in the installation where measurement is to be carried out could be accessible CAUTION Disconnect the test leads from the test points before changing meter functions INTERNATIONA...

Page 4: ...afe access of the meter during measurement 3 Push buttons for special functions features 4 Input Jack for all functions EXCEPT non invasive ACA DCA current functions 5 Common Ground reference Input Jack for all functions EXCEPT non invasive ACA DCA current functions 6 Slide switch Selector to turn the power ON OFF and Select a function 7 3 3 4 digits 4000 counts LCD display 8 Jaw trigger for openi...

Page 5: ...voltage output transducers adapters The non zero display reading is normal when the meter inputs are open circuit which will not affect actual measurement accuracy The meter will show a close to zero reading when the inputs are shorted Open input is actually a floating condition which is not a zero volt input condition Note AC 400 0mV range selection is by RANGE button manually and is specified fr...

Page 6: ...urrent measurement Locate the conductor s at the Jaws center as much as possible to get the best measuring accuracy The jaw arrow mark indicates current flow direction on DCA positive readings For removal press the jaw trigger and remove the jaws from the conductor s Note In DCA measurements hysteresis of the jaws after measuring high DC currents may introduce non zero residual readings Relative Z...

Page 7: ... and operation of switches A continuous beep tone indicates a complete wire Diode test function Inputs are made through the test leads terminals Slide switch on defaults at Ω Press SELECT button momentarily 2 times to select Diode test function 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 defectiv...

Page 8: ...rush currents in current functions Press and hold the MAX button for 1 second or more to toggle to the max feature The annunciators MAX and turn on Relative Zero mode Relative Zero mode allows the user to offset the meter consecutive measurements with the displaying reading as the reference value The display will now show readings relative to the stored reference value That is display reading stor...

Page 9: ...atteries and test leads etc and replace as necessary Double check operating procedure as described in this user s manual If the instrument voltage resistance input terminal has subjected to high voltage transient caused by lightning or switching surge to the system by accident or abnormal conditions of operation the series fusible resistors will be blown off become high impedance like fuses to pro...

Page 10: ...AAA Size NEDA 24G or IEC R03 battery X 2 or 1 5V AAA Size NEDA 24A or IEC LR03 alkaline battery X 2 Loosen the 2 captive screws from the battery cover case Lift the battery cover case Replace the batteries Replace battery cover case Re fasten the screws ...

Page 11: ...nsient protection 6 5kV 1 2 50µs surge for all models Pollution degree 2 E M C Meets EN61326 1997 1998 A1 EN61000 4 2 1995 and EN61000 4 3 1996 In an RF field of 3V m Capacitance function is not specified Other function ranges Total Accuracy Specified Accuracy 45 digits Performance above 3V m is not specified Overload Protections Clamp on jaws DC 1000A or AC 800A rms continuous COM terminals all f...

Page 12: ... waveforms DC Voltage RANGE Accuracy 400 0 mV 0 3 3d 4 000V 40 00V 400 0V 0 5 3d 600V 1 0 4d NMRR 50dB 50 60Hz CMRR 120dB DC 50 60Hz Rs 1kΩ Input Impedance 10MΩ 30pF nominal 1000MΩ for 400 0mV range AC Voltage RANGE Accuracy 50Hz 500Hz 400 0mV 1 4 0 4d 50Hz 60Hz 4 000V 40 00V 400 0V 1 0 4d 60Hz 500Hz 4 000V 40 00V 400 0V 1 5 4d 50Hz 500Hz 600V 2 0 4d CMRR 60dB DC to 60Hz Rs 1kΩ Input Impedance 10M...

Page 13: ... 0nF 5 000µF 50 00µF 500 0µF 3000µF 3 5 6d 1 Additional 50 00nF range accuracy is not specified 2 Accuracies with film capacitor or better 3 Specified with battery voltage above 2 8V approximately half full battery Accuracy decreases gradually to 12 at low battery warning voltage of approximately 2 4V DCA Current Clamp on RANGE Accuracy1 2 400 0A 0A 400 0A 1 5 4d 1000A 400A 800A 1 5 4d 800A 900A 2...

Page 14: ...600A 2 0 5d 3 40Hz 100Hz 400A 600A 1 5 4d 15Hz 60Hz 600A 800A 5 0 30d 1 Induced error from adjacent current carrying conductor 0 01A A 2 True RMS model 162 Crest Factor 1 6 1 at full scale 3 2 1 at half scale 3 4 0 5d for True RMS model 162 4 Accuracy is specified at 50A in this frequency bandwidth due to limited calibrator output capability for testing ...

Page 15: ...repaid to BRYMEN TECHNOLOGY CORPORATION BRYMEN assumes no risk for damage in transit BRYMEN will at its option repair or replace the defective product free of charge However if BRYMEN determines that the failure was caused by misused altered neglected or damaged by accident or abnormal conditions of operation or handling you will be billed for the repair THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU O...

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