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Brymen TBM525, User Manual

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Brymen TBM525 User Manual Download Page 8

7

selection will be saved as power up default for repeat measurement convenience.

TBM525 & TBM829

:

DCmV, DCmV

+ACmV

, DC+ACmV

+ACmV

, Logic-Level

Hz & Duty%

Press the

SELECT

button momentarily to select the subject functions in sequence. Last

selection will be saved as power up default for repeat measurement convenience.

TBM822(XEX) & TBM821(XEX)

:

DCmV, DCmV

+ACmV

, Logic-Level

Hz & Duty%

Press the

SELECT

button momentarily to select the subject functions in sequence. Last

selection will be saved as power up default for repeat measurement convenience.

Summary of Contents for TBM525

Page 1: ...USER S MANUAL TBM811 TBM812 TBM829 TBM811XEX TBM812XEX TBM525 ...

Page 2: ...gory IV 600 Volts AC and 300 Volts DC A Category IV 600 Volts AC and 300 Volts DC TBM811XEX TBM812XEX TBM525 Terminals to COM measurement category V mA A A Category IV 1000 Volts AC DC Per IEC61010 1 2nd Ed 2001 Measurement Category Measurement Category IV CAT IV is for measurements performed at the source of the low voltage installation Examples are electricity meters and measurements on primary ...

Page 3: ...not attempt a current measurement to any circuit where the open circuit voltage is above the protection fuse voltage rating Suspected open circuit voltage should be checked with voltage functions Never attempt a voltage measurement with the test lead inserted into the A mA or A input jack Only replace the blown fuse with the proper rating as specified in this manual CAUTION Disconnect the test lea...

Page 4: ...s excellent in detecting faulty contacts identifying potentiometer clicks and indicating signal spikes during adjustments 1 4 digits 9999 counts dual displays 2 Push buttons for special functions features 3 Selector to turn the Power On or Off and Select a function 4 Input Jack for 10A 20A for 30sec current function 5 Common Ground reference Input Jack for all functions 6 Input Jack for all functi...

Page 5: ...ers to trip prematurely 3 Fuses to blow 4 Neutrals to overheat due to the triplen harmonics present on the neutral 5 Bus bars and electrical panels to vibrate Crest Factor Crest Factor is the ratio of the Crest instantaneous peak value to the True RMS value and is commonly used to define the dynamic range of a True RMS DMM A pure sinusoidal waveform has a Crest Factor of 1 4 A badly distorted sinu...

Page 6: ...ized Ghost voltage Buster Ghost voltages are unwanted stray signals coupled from adjacent hard signals which confuse common multimeter voltage measurements Our AutoCheckTM mode provides low ramp up input impedance approx 3kΩ at low voltage to drain ghost voltages leaving mainly hard signal values on meter readings It is an invaluable feature for precise indication of hard signals such as distingui...

Page 7: ...e highest and the 1000V range has the lowest Auto ranging measurements normally set the most appropriate trigger level You can also press the RANGE button momentarily to select another trigger level voltage range manually If the Hz reading becomes unstable select higher voltage range to avoid electrical noise If the reading shows zero select lower voltage range Note In dBm Hz function power up def...

Page 8: ...ton momentarily to select the subject functions in sequence Last selection will be saved as power up default for repeat measurement convenience TBM822 XEX TBM821 XEX DCmV DCmV ACmV Logic Level Hz Duty Press the SELECT button momentarily to select the subject functions in sequence Last selection will be saved as power up default for repeat measurement convenience ...

Page 9: ...y functions Press the SELECT button momentarily to select the subject functions in sequence for models 525 521 829 and 827 Last selection will be saved as power up default for repeat measurement convenience Direct rotary switch selection on Resistance and Continuity functions for models 822 and 821 Note Conductance is the inverse of Resistance that is S 1 or nS 1 G It virtually extends the Resista...

Page 10: ... T2 RANGE button momentarily can select T1 T2 T1 T2 or T1 T2 T2 readings Last selection will be saved as power up default for repeat measurement convenience Note Be sure to insert the banana plug type K temperature bead probe Bkp60 with correct polarities You can also use a plug adapter Bkb32 Optional purchase with banana pins to type K socket to adapt other standard type K mini plug temperature p...

Page 11: ...everse the test leads connections reverse biased across the diode The digital display shows OL if the diode is good Any other readings indicate the diode is resistive or shorted defective A mA and A Current functions Press SELECT button momentarily to select DC DC AC DC AC AC and AC Hz Last selection will be saved as power up default for repeat measurement convenience Note When measuring a 3 phase...

Page 12: ...ction For more precise indication of live wires such as distinguishing between live and ground connections use the Red test probe for direct contact measurements PC computer interface capabilities The instrument equips with an optical isolated interface port at the meter back for data communication Optional purchase PC USB interface kit BU 82X is required to connect the meter to the PC computer MA...

Page 13: ...vted Hold The hold feature freezes the display for later view Press the HOLD button momentarily to toggle the hold feature Relative Zero mode Relative zero allows the user to offset the meter consecutive measurements with the displaying reading as the reference value Practically all displaying readings can be set as relative reference value including MAX MIN AVG readings Press the button momentari...

Page 14: ... 10s 15s 30s 60s 120s 180s 300s up to the slowest 600s Then press the Timer button for 1 second or more to confirm the new setting The setting resets to default when function is changed 2 Start Stop data logging Note Set view logging interval right before starting data logging to avoid mis handling Data logging functon stops automatically to ensure logged data accuracy when Low battery indication ...

Page 15: ...ng Press SELECT button momentarily to toggle the LCD display between measuring data and logged data item number mini main displays for most significant least significant numbers separately Press PAUS CONT STOP button momentarily to pause continue logging Press PAUS CONT STOP button for 1 second or more to stop logging When a sampling speed of 30s or longer is selected the meter will enter a 50 pow...

Page 16: ... Press SELECT button momentarily to toggle the LCD display between logged data and its item number Press the Up arrow and Down arrow buttons simultaneously again to select another session page in sequence Press and hold for 1 second and up for fast scrolling and the beeper sounds when the first or last page is reached Turn Rotary switch to another function or OFF to exit the RECALL mode 5 MAINTENA...

Page 17: ... 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 protect the user and the instrument Most measuring func...

Page 18: ...kets are properly seated and the two snaps on the case top near the LCD side are engaged Re fasten the screws GENERAL SPECIFICATIONS Display 9999 counts ACV DCV Hz nS 6000 counts mV A mA A Ohm Capacitance Polarity Automatic Update Rate Digital Display 5 per second nominal 41 Segments Bar graph 60 per second max Low Battery Below approx 7V Operating Temperature 0oC to 45oC Relative Humidity Maximum...

Page 19: ...Category V A mA A Category IV 1000Vac Vdc Overload Protections TBM829 TBM812 TBM811 A mA 1A 600Vac IR 10kA or better F fuse A 10A 600Vac IR 100kA or better F fuse V 1050Vrms 1450Vpeak mV Others 600Vdc and Vac rms TBM812XEX TBM811XEX A mA 0 44A 1000Vac Vdc IR 10kA or better F fuse A 11A 1000Vac Vdc IR 20kA or better F fuse V 1050Vrms 1450Vpeak mV Others 600Vdc and Vac rms TBM525 A mA 0 44A 1000Vac ...

Page 20: ...with frequency components within the specified frequency bandwidth for non sinusoidal waveforms DC Voltage Function RANGE Accuracy mV 60 00mV 0 12 2d 600 0mV 0 06 2d V 9 999V 99 99V 999 9V 0 08 2d Input Impedance 10M 50pF nominal 80pF nominal for 600mV range AC Voltage Function RANGE Accuracy 50Hz 60Hz mV 60 00mV 600 0mV 0 5 3d V 9 999V 99 99V 999 9V 40Hz 500Hz mV 60 00mV 600 0mV 0 8 4d V 9 999V 9...

Page 21: ...1 Specificied from 10 to 100 of range for Model 811 2 Specificied from 30 to 100 of range 3 for 1kHz 15kHz only Input Impedance 10M 50pF nominal 80pF nominal for mV ranges AutoCheckTM ACV RANGE Accuracy 50Hz 60Hz 9 999V 99 99V 999 9V 1 0 4d Lo Z ACV Threshold 3VAC 50 60Hz nominal Lo Z ACV Input Impedance Initially approx 3 0k 150pF nominal Impedance increases abruptly within a fraction of a second...

Page 22: ...60 00mA 1 5mV mA 2 1mV mA 600 0mA 1 0 4d 6 000A 10 00A 1 0 8 6d 0 04V A 0 02V A 1 10A continuous 10A to 15A to 20A for TBM525 TBM811XEX TBM812XEX for 30 second max with 5 minutes cool down interval DC Current RANGE Accuracy Burden voltage Model 811 812 829 Model 811XEX 812XEX 525 600 0 A 6000 A 0 2 4d 0 08mV A 0 08mV A 60 00mA 600 0mA 1 5mV mA 2 1mV mA 6 000A 10 00A 1 0 04V A 0 02V A 1 10A continu...

Page 23: ...d strength Detection Frequency 50 60Hz Detection Antenna Top end of the meter Probe Contact EF Detection For more precise indication of live wires such as distinguishing between live and ground connections use the Red test probe for direct contact measurements Crest mode Instantaneous Peak Hold Accuracy Specified accuracy adds 250 digits for changes 1 0 ms in duration Record mode Accuracy Specifie...

Page 24: ...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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