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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That is, mV function has the highest and the V range has the lowest as in voltage function ranges. Loosen the 2 screws from the battery access door of the case bottom.

Relative Zero mode Relative Zero allows the user to offset the meter consecutive measurements with the displaying reading as the reference value.

Activities bm85c9f specified as: Press bryymen momentarily to toggle between 5 full digits and 6 full digits Hz readings. Keep your fingers behind the finger guards of the test leads during measurement. Per IEC 2nd Ed. If the instrument is used in a manner not specified by the manufacturer, the protection provided by the instrument may be impaired.

Do not measure any current that exceeds the current rating of the protection fuse. The meter is intended only for indoor use. Do not touch test lead tips or the circuit being tested while power is applied to the circuit being measured. 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.

To avoid electrical shock hazard, observe the proper safety precautions when working with voltages above 60 VDC or 30 Bm85cf rms.


The analog bargraph pointer will point at the selected trigger b8m59cf range scale 1, 2, 3, or 4. Battery replacement for models with battery access door: The lower the measuring range the higher the sensitivity.

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 bm8859cf billed for the repair.


In many cases the suspected component must be disconnected from the circuit to obtain an accurate reading. In reality, complex waveforms, noise and distorted waveforms contain much higher frequency spectrum than its fundamental. Cleaning and Brhmen Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or solvents.

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.

The new impedance value will be saved automatically to the non-volatile memory as power up default.

If the meter is not to be used for periods of longer than 60 days, remove the battery and store it separately. Fuse replacement and also Battery replacement for splash proof version without battery access door: Always set the instrument to the highest range and work downward for an unknown value when using manual ranging mode.

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.

If any defects are found, replace them immediately. Auto Power Off feature will be disabled automatically in this mode. A reading higher than that indicates a leaky diode defective. When activated from voltage function, you can also press the RANGE button momentarily to select another trigger level range manually. The new setting will be saved automatically to the non-volatile memory as power up default.

Press the HOLD momentarily to activate or to exit the hold function. Any other readings indicate the diode is resistive or shorted defective. It’s a community-based project which helps to repair anything. Analog bar-graph The analog bar graph provides a visual indication of measurement like a traditional analog meter needle.


The meter beeps when new maximum or minimum reading is updated.

BM857 BM859CF

If the Hz reading is unstable, select lower sensitivity to avoid electrical noise. Reverse the test leads connections reverse biased across the diode. It is not the frequency measurement function, and is the frequency response of the AC functions. BRYMEN’s warranty does not apply to accessories, fuses, fusible resistors, spark gaps, batteries or any beymen which, in BRYMEN’s opinion, has been misused, altered, neglected, or damaged by accident or abnormal conditions of operation or handling.

In measuring pure sinusoidal waveform, this technique is fast, accurate, and cost effective. This technique brjmen to obtain the average value by rectifying and filtering the AC signal.

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.

Install only the same type brymsn fuse or equivalent Trouble Shooting If the instrument fails to operate, check battery, fuses, leads, etc. RSC PC computer interface capabilities The instrument equips with an optical isolated interface port at the meter back for data communication. Dual channels T1-T2 readings require 2 probes. Inspect test leads, connectors, and probes for damaged insulation or exposed metal before using the instrument.

Press the button momentarily to activate and to exit Relative Zero mode.

The analog bar-graph remains the mA current value to alert the user. However, DC component plays an important role in the distorted non-symmetrical waveforms, and will also be of interest sometimes.

NMRR is typically specified in terms of dB decibel. 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 earth voltage.