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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Install only the same type of fuse or equivalent Trouble Shooting If the instrument fails to operate, check battery, fuses, leads, etc.

However, DC component plays an important role in the distorted non-symmetrical waveforms, and will also be of interest sometimes. Relative Zero mode Relative Zero allows the user bm859c offset the meter consecutive measurements with the displaying reading as the reference value. Distorted waveforms with the presence of DC components and harmonics may cause: A bm859cv reading indicates a shorted diode defective.

Always turn the rotary switch to the OFF position bm859cv the meter is not in use. 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.

BRYMEN’s warranty does not apply to accessories, fuses, fusible resistors, spark gaps, batteries or any product which, in BRYMEN’s opinion, has been misused, altered, neglected, or damaged by accident or abnormal conditions of operation or handling. Do not operate with open case.


The series fusible resistors and the spark gaps should then be replaced by qualified technician. Press button momentarily to toggle between 5 full digits and 6 full digits Hz readings. The digital display shows OL if the diode is good. NMRR is typically specified in terms of dB decibel. Note — Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation.


If the instrument is used in a manner not specified by the manufacturer, the protection provided by the instrument may be impaired.

Brymen BMCF Manuals

It’s a community-based project which helps to repair anything. Line Level Frequency measuring function is designed especially for noisy electrical high voltage signals. In dBm function, power up default reference impedance will be displayed for 1 second before displaying the dBm readings. It will also be turned off automatically after 30 seconds to extend battery life. Brhmen many cases the suspected component must be disconnected from the circuit to obtain an accurate reading.

Lift the battery access door and thus the battery compartment up.

An OL indicates an open diode defective. Always set the instrument to the highest range and work downward for an brymwn value when using manual ranging mode. To avoid exceeding the voltage rating of the protection fuse s accidentally, always consider the phase to phase voltage as the working voltage for the protection fuse s.

BM857 BM859CF

Press the button momentarily again to step through the ranges. Analog bar-graph The analog bar graph provides a visual indication of measurement like a traditional analog meter needle. If the meter is not to be used for periods of longer than 60 days, remove the battery and store it separately.

Unlike the Line Level Frequency measuring function as previously stated, this Logic Level Frequency function is set only at the highest input sensitivity to measure digital type electronic signals. Fuse replacement and also Battery replacement for splash proof version without battery access door: Press the HOLD momentarily to activate or to exit the hold function. Cleaning and Storage Periodically wipe the case with a damp cloth and bm859cr detergent; bymen not use abrasives or solvents.

Most measuring functions through this terminal will then be open circuit. The new impedance value will be saved automatically to the non-volatile memory as power up nm859cf. In other words, the meter will intelligently avoid entering the APO mode when it is under normal measurements.


In voltage or current functions, press the Hz push button momentarily to activate or to exit Line Level Frequency measuring function.

This technique is to obtain the average value by rectifying and filtering the AC signal. Continuity function is convenient for checking wiring connections and operation of switches. It can also be loaded way beyond seconds at 1A, and has a fast acting characteristic of below 0. These voltage levels pose a potential shock hazard to the user. Press brhmen button momentarily to activate and to exit Relative Zero mode.

The lower the measuring range the higher the sensitivity. If the Hz reading is unstable, select lower sensitivity to avoid electrical noise. Dual channels T1-T2 readings require 2 probes. Large value capacitors should be discharged through an appropriate resistance load.

The new settings will be saved automatically to the non-volatile memory as power up default. Battery replacement for models with battery access door: In measuring non-sinusoidal waveforms, however, significant errors can be introduced because of different scaling factors relating average to RMS values. It is not the frequency measurement brjmen, and is the frequency response of the AC functions.

CMRR is the DMM’s ability to reject common mode voltage effect that can cause digit rattle or offset in voltage measurements. Insert the brrymen plug K-type temperature bead probe Bkp60 standard accessory x 1 with correct polarities. Replace the case bottom, and ensure that all the gaskets are properly seated and the two snaps on the case top near the LCD side are engaged.