BMs – Top class digital multimeter made by Brymen. counts (5 4/5 digit), High Performance, User-oriented innovative features. Unbeatable 1µV. USER’S MANUAL BM BMCF 1 1) SAFETY This manual contains .. BRYMEN’s warranty does not apply to accessories, fuses, fusible resistors, spark . Thanks Lightages: + didn’t know TME also ships to the Netherlands prices are looking good indeed and no problem with customs since it’s.

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Brymen BM859CF Manuals

Manual ranging mode feature is not available in Hz function. Lift the battery access door and thus the battery compartment up.

A zero reading indicates a shorted diode defective. Press the button momentarily to activate and to exit Relative Zero mode.

Lift the end of the case bottom nearest the input jacks until it unsnaps from the case top. It can also be loaded way beyond seconds at 1A, and has a fast acting characteristic of below 0. The digital display shows OL if the diode is good.

It will also be turned off automatically after 30 seconds to extend battery life. Relative Zero mode Relative Zero allows the user to offset the meter consecutive measurements with the displaying reading as the reference value. If the Hz reading is unstable, select lower sensitivity to avoid electrical noise.

The new impedance value will be saved automatically to the non-volatile memory as power up default. In many cases the suspected component must be disconnected from the circuit to obtain an accurate reading.


BM857 BM859CF

If the meter is not to be used for periods of longer than 60 days, remove the battery and store it separately. When measuring a 3-phase system, special attention should be taken to the phase to phase voltage which is significantly higher than the phase to bm859cg voltage. You can also use a plug adapter Bkb32 Optional purchase with banana pins to K-type socket to adapt other standard K type mini plug temperature probes.

To avoid exceeding the voltage rating of the protection bry,en s accidentally, always consider the phase to phase voltage as the working voltage for the protection fuse s.

Brymen BMCF Manuals

Loosen the 4 screws from the case bottom. To avoid electrical shock hazard, observe the proper safety precautions when working with voltages above 60 VDC or 30 VAC rms. Always turn the rotary switch to the OFF position when the meter is not in use. If any defects are found, replace them immediately. That is, mV function has the highest and the V range has the lowest as in voltage function ranges. Distorted waveforms with the presence of DC components and harmonics may cause: NMRR is typically specified in terms of dB decibel.

The average value is then scaled upward calibrated to read the RMS value of a sine wave. The new setting will be saved automatically to the non-volatile memory as power up default. Fuse replacement and also Battery replacement for splash proof version without battery access door: Analog bar-graph The analog bar graph provides a visual indication of measurement like a traditional analog meter needle.


An OL indicates an open diode defective. The new settings will be saved automatically to the non-volatile memory as power up default. It is excellent in detecting faulty contacts, identifying potentiometer clicks, and indicating signal spikes during adjustments.


Dual channels T1-T2 readings require 2 probes. 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.

In dBm function, power up default reference impedance will be displayed for 1 second before displaying the dBm readings. Unlike the Line Bmm859cf Frequency measuring function as bm859cg stated, this Logic Level Frequency function is set only at the highest input sensitivity to measure digital type electronic signals.

Always set the instrument to the highest range and work downward for an unknown value when using manual ranging mode. The series fusible resistors and the spark gaps should then be gm859cf by qualified technician. Battery replacement for models with battery access door: Activities are specified as: Continuity function is convenient for checking wiring connections and operation of switches.

Brymfn and Storage Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or solvents.