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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Loosen the 2 screws from the battery access door of the case bottom. Analog bar-graph Brmen analog bar graph provides a visual indication of measurement like a traditional analog meter needle.


These voltage levels pose a potential shock hazard to the user. CMRR is the DMM’s ability to reject common mode voltage effect that can cause digit rattle or offset in voltage measurements. In measuring pure sinusoidal waveform, this technique is fast, accurate, and cost effective. It is recommended to first measure the signal voltage or current level then activate the Hz function bm859vf that voltage or current range to automatically get the most appropriate trigger level.

Do not attempt a current measurement to any circuit where the open circuit voltage is above the protection fuse voltage rating.

Most measuring functions through this terminal will then be open circuit. The digital display shows OL if the diode is good. Continuity function is convenient for checking wiring connections and operation of switches.


Lift the battery access door and thus the battery compartment up. It is not the frequency measurement function, and is the frequency response of the AC functions. Suspected open circuit voltage should be checked with voltage functions. Fuse replacement and also Battery replacement for splash proof version without battery access door: In dBm function, power up default reference impedance will be displayed for 1 second before displaying the dBm readings.


BM857 BM859CF

The series fusible resistors and the spark gaps should then be replaced by qualified technician. Activities are specified as: Relative Zero mode Relative Bm8599cf allows the user to offset the meter consecutive measurements with the displaying reading as the reference value.

Large value capacitors should be discharged through an appropriate resistance load. 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.

Press and hold the button bm859cc 1 second or more to resume auto-ranging mode. Dual channels T1-T2 readings require 2 probes. When activated from voltage function, you can also press the RANGE button momentarily to select another trigger level range manually.

The meter beeps when new maximum or minimum reading is hm859cf. Keep your fingers behind the finger guards of the test leads during measurement. Always set the instrument to the highest range and work downward for an unknown value when using manual ranging mode. However, if BRYMEN determines bm859fc 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.

Battery replacement for models with battery access door: 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.

Refer to the explanation in this Manual! Always turn the rotary switch to the OFF position when the meter is not in use. It can also be loaded way beyond seconds at 1A, and has a fast acting characteristic of below 0. If the instrument is used in a manner not specified by the manufacturer, the protection provided by the instrument may be impaired.


In many cases the suspected component must be disconnected from the circuit to obtain an accurate reading. Note — Examples include electricity meters and primary over-current protection equipment.

To avoid electrical shock hazard, observe the proper safety precautions when working with voltages above 60 VDC or 30 VAC rms. Press the button momentarily again to step through the ranges. 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.

A continuous beep tone indicates a complete wire. If any defects are found, replace them immediately. A reading higher than that indicates a leaky diode defective. Note — Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation.

The meter is intended only for indoor use.

Line Level Frequency measuring function is designed especially for noisy electrical high voltage signals. The analog bar-graph remains the mA current value to alert the user. A full wave rectified sine waveform is a good example, and the AC true RMS function will only give the AC component reading which is at That is, mV function has the highest and the V range has the lowest as in voltage function ranges. Press the HOLD momentarily to activate or to exit the hold function.

Inspect test leads, connectors, and probes for damaged insulation or exposed metal before using the instrument. If the Hz reading is unstable, select lower sensitivity to avoid electrical noise.