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mode input impedance increases abruptly from initial 2.1

on high voltage hard signals

sers of being in such

low impedance mode. Peak initial load current, while probing 1000VAC for example, can be
up  to673mA (1000V x 1.414 / 2.1

, decreasing abruptly to approx.2.4mA (1000V  x  1.414

/ 580

Do not use

mode on circuits that could be

damaged  by  such  low  input  impedance.  Instead,  use  rotary  selector

or

high  input

impedance voltage modes to minimize loading for such circuits.

Press  the

button momentarily to select the subject functions in sequence. Last

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

Note:

and the associated

are equipped with digital low ­pass filter (DSP), and are

capable  of  handling

(Variable  Frequency Drives) signals for fundamental V & Hz

readings. It also improves ACV and Hz reading stability when being used in most noisy
electrical environments.

Содержание BM230R Series

Страница 1: ...Eshop www emareg cz Email shop emareg cz USER S MANUAL BRIGHT PEOPLE S CHOICE Mìøící a dílenské pøístroje Multimetry uvádí BRYMEN BM236R BM237R BM239R ...

Страница 2: ... 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 use the probe assembly provided with the meter or a UL Listed Probe Assembly to the same meter ratings or better IEC 61010 031 requires exposed conductive test probe tips ...

Страница 3: ... installation is applicable to test and measuring circuits connected to the s low voltage MAINS installation Examples are measurements on distribution boards including secondary meters circuit breakers wiring including cables bus bars junction boxes switches socket outlets in the fixed installation and equipment for ind ustrial use and some other equipment such as stationary motors with permanent ...

Страница 4: ...unction availability 1 3 5 6 digits 6000 counts LCD display 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 Input Jack for all functions EXCEPT 10A current function 6 Common Ground reference Input Jack for all functions 7 Additional input Jack for Phase Rotation function only ...

Страница 5: ...ators and motors to burn out faster than normal 2 Circuit breakers 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 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 wavefor...

Страница 6: ... the voltage value in appropriate DC or AC whichever larger in peak magnitude Note Ghost voltages are unwanted stray signal s coupled from adjacent hard signals which confuse common multimeter voltage measurements The mode provides low ramp up input impedance approx 2 1 voltages leaving mainly hard signal values on meter readings It is an invaluable feature for precise indication of hard signals s...

Страница 7: ...that could be damaged by such low input impedance Instead use rotary selector or high input impedance voltage modes to minimize loading for such circuits Press the button momentarily to select the subject functions in sequence Last selection will be saved as power up default for repeat measurement convenience Note and the associated are equipped with digital low pass filter DSP and are capable of ...

Страница 8: ...oltage range will be displayed right before starting the Hz readings Press momentarily the button can manually select another trigger voltage range not available to current ranges It is recommended to first measure the signal voltage or current level and activate Hz function in that range to get the most appropriate trigger level If the Hz reading becomes unstable select lower sensitivity to avoid...

Страница 9: ...Eshop www emareg cz Email shop emareg cz w w w e M A R e g c z 8 ...

Страница 10: ... The digital display shows OL if the diode is good Any other readings indicate the diode is resistive or shorted defective Using resistance and continuity function in a live circuit will produce false results and may damage the instrument In many cases the suspected com ponent must be disconnected from the circuit to obtain an accurate reading Discharge capacitors before making any measurement Lar...

Страница 11: ...Eshop www emareg cz Email shop emareg cz w w w e M A R e g c z 10 Press button momentarily to toggle between DC and AC Last selection will be saved as power up default for repeat measurement convenience ...

Страница 12: ...me signal current check should indicate steady flame signal of at least 2 A for a rectification type or 1 5 A for an ultraviolet type 8 A for self checking systems If a flame signal current with inadequate strength or fluctuation beyond 10 check the following to avoid the risk of unwanted flame relay dropout For gas or oil flames Minipeeper Low supply voltage Detector location Defective detector w...

Страница 13: ...hort to ground Press the button momentarily to toggle EF Detection feature T when it is read y If it is too sensitive for your applications press button momentarily series of bar graph segments on the display plus variable beep tones An antenna is located along the top left end of the meter which detects electric field surrounding energized live conductors It is ideal for tracing live wiring conne...

Страница 14: ...ents by the LCD segments Press button momentarily toggles between and modes Last selection will be saved as power up default for repeat measurement convenience Hi sensitivity mode which detects relatively low signal outputs generated from motor spinning forchecking phase connections of Motors Normal sensitivity mode for identifyingphase sequence of Electricity Supply ...

Страница 15: ... connected to L1 L2 and L3 of the meter are L1 L2 and L3 also known as R S and T respectively If the meter indicates a counter clockwise movement swap any two connects between the meter and phases Then retest Connect the above mentioned L1 L2 and L3 of a Motor and that of the MAINS respectively should be able to get a clockwise motor movement The Complementary Beeper feature is selected in Power u...

Страница 16: ...ions to the A mA or A input jacks when another function especially a voltage function is selected The Auto Power off APO mode turns the meter off automatically to extend battery life after approximately 32 minutes of no specified activities where applicable 1 Rotary switch or push button operations 2 Significant measuring readings of above 8 5 of ranges 3 Non OL readings forResistance Continuity o...

Страница 17: ...trument fails to operate check battery fuse leads etc and replace as necessary 1 5V AAA Size battery x 2 for A current input 11A 1000V DC AC IR 20kA F fuse or better Dimension 10 x 38mm Loosen the screw from the access cover of the case bottom Lift the access cover Replace the batteries or fuse Re fasten the screw 3 5 6 digits 6 000 counts 5 per second nominal 10oC to45oC Maximum relative humidity...

Страница 18: ... Total Accuracy Specified Accuracy 15 digits Other functions Total Accuracy Specified Accuracy Performance above 3V m is not specified 11A 1000V DC AC rms IR 20kA F fuse or better 1100V DC AC rms 1000V DC AC rms Below approx 2 5V 1 5V AAA Size battery X 2 3 2mA 10 A Idle for 30 minutes 161 80 50mm L W H With Holster Approx 334 gm With Holster AutoV LoZ 3 Phase Rotation detection VFD BeepLit Contin...

Страница 19: ... 6 000V 1 60 00V 600 0V 1000V 2 0 3d Input Impedance 10M 54pF nominal 1 5d non zero residue may appear when backlight is on which will not affectthe specified measuring range and accuracy 60 00mV 1 2 600 0mV 3 1 0 3d 60 00mV 1 2 600 0mV 3 2 0 3d Input Impedance 10M 54pF nominal 1 5d non zero residue may appear when backlight is on which will not affectthe specified measuring range and accuracy 2 S...

Страница 20: ...rom quiescence 8M 5 6Vac 22k 7Vac 12k 8Vac 2 6k 50Vac At direct input 50V typical from quiescence Initial impedance is approximately 2 3k Impedance increases abruptly within a fraction of a second as display voltage hard signal is much higher than 50V typical End up impedances vs display voltages typically are 12k 100V 100k 300V 240k 600V 580k 1000V 600 0V 1000V 2 0 3d 1 Not specifiedat 1VDC Thres...

Страница 21: ... impedances vs display voltages typically are 12k 100V 100k 300V 240k 600V 580k 1000V 600 0 6 000k 0 3 3d 60 00k 600 0k 0 5 3d 6 000M 2 60 00M 3 0 9 3d 4 1 Open Circuit Voltage 1 6VDC typical 2 Constant Test Current 0 2 A Typical 3 Constant Test Current 0 02 A Typical 4 5 20d 30M Continuity Threshold Between 30 and 480 Continuity ON Response Time 15ms Audible Indication Beep sound Visible Indicati...

Страница 22: ...for 30 seconds max with 5 minutes cool down interval 2 5d non zero residue may appear when backlight is on which will not affectthe specified measuring range and accuracy 40 0 oC 99 9oC 1 1 oC 100 oC 400oC 40 0 oF 99 9oF 1 2 oF 100 oF 752oF Accuracies assume meter interior and the ambient have reached the same temperature isothermal stage for a correct junction voltage compensation Allow enoughset...

Страница 23: ... 160V 63V 285V 80V 40V 156V 300V 105V 608V 160V 80V 500V 300V Indication Bar graph segments audible beep tones proportional to the field strength Detection Frequency 50 60Hz Detection Antenna Top left end of the meter Probe Contact EF Detection For more precise indication of live wires such as distinguishing between live and ground connections use direct contact testing with one single test probe ...

Страница 24: ... To obtain warranty service contact your nea rest BRYMEN authorized agent or send the product with proof of purchase and description of the difficulty postage and insurance prepaid to BRYMEN TECHNOLOGY CORPORATION BRYMEN assumes no risk for damage in transit BRYMEN will at its option repair o r replace the defective product free of charge However if BRYMEN determines that the failure was caused by...

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