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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If the instrument is used in a brymsn not specified by the manufacturer, the protection provided by the instrument may be impaired. The meter is intended only for indoor use. Per IEC 2nd Ed. Note — Examples include household, office, and laboratory appliances. Note — Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to bm8559cf fixed installation.

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. These voltage levels pose a potential shock hazard to the user.

Do not touch bm59cf lead tips or the circuit being tested while power is applied to the circuit being measured.

Brymen BMCF Manuals

Keep your fingers behind the finger guards of the test leads during measurement. Inspect test leads, connectors, and probes for damaged insulation or exposed metal before using the instrument. If any defects are found, replace them immediately. Do not measure any current that exceeds the current rating of the protection fuse. Do not attempt a current measurement to any circuit where the open circuit voltage is above the protection fuse voltage rating.

Suspected open circuit voltage should be checked with voltage functions.

Only replace the blown fuse with the proper rating as specified in this manual. Always set the instrument to the highest range and work downward for an unknown value when using manual ranging mode.

Refer to the explanation in this Manual! This technique is to obtain the average brmyen by rectifying and filtering the AC signal. The average value is then scaled upward calibrated to read the RMS value of a sine wave.

In measuring pure sinusoidal waveform, this technique is fast, accurate, and cost effective.

BM857 BM859CF

In measuring non-sinusoidal waveforms, however, significant errors can be introduced because of different scaling factors relating average to RMS values.

However, DC component plays an important role in the distorted non-symmetrical waveforms, and will also be of interest sometimes. 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 grymen Distorted waveforms with the presence of DC components and harmonics may cause: It is not the frequency measurement function, and is the frequency response brrymen the AC functions.

In reality, complex waveforms, noise and distorted waveforms contain much higher frequency spectrum than its fundamental.

NMRR is typically specified in terms of dB bymen. CMRR is bm85cf DMM’s ability to reject common mode voltage effect that can cause digit rattle or offset in voltage measurements. Analog bar-graph The analog bar graph provides a visual indication of measurement like a traditional analog meter needle. It is excellent in detecting faulty contacts, identifying bm8599cf clicks, and indicating signal spikes during adjustments. The new settings will be saved automatically to the non-volatile memory as power up default.

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

The new impedance value will be saved automatically to the non-volatile memory as power up default. Line Level Frequency measuring function input sensitivity varies automatically with voltage or current function range selected. The lower the measuring range the higher the sensitivity. That is, mV function has the highest and brrymen V range has the lowest as in voltage function ranges.

It is recommended to first measure the signal voltage or current level then activate the Hz function in that voltage or current range to automatically get the most appropriate trigger level.

Brymen BM859CF Manuals

When activated from voltage function, you can also press the RANGE button momentarily to select another trigger level range manually. The analog bargraph pointer will point at the selected trigger level range scale 1, 2, 3, or 4. If the Hz reading is unstable, select lower sensitivity to avoid electrical noise. If the reading shows zero, select higher sensitivity. The new setting will be saved automatically to the non-volatile memory as power up default.

Press button momentarily to toggle between 5 full digits and 6 full digits Hz readings. 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.

Insert the banana b,859cf K-type temperature bead probe Bkp60 standard accessory x 1 with correct polarities. Dual channels T1-T2 readings require 2 probes. 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.

Continuity function is convenient for checking wiring connections and operation of switches. A continuous beep tone indicates a complete wire. In many cases the suspected component must be disconnected from the circuit to obtain an accurate reading.

Bm859df value capacitors should be discharged through an appropriate resistance load. Normal forward voltage drop forward biased for a good silicon diode is between 0. A reading higher than that indicates a leaky diode defective.

A zero reading indicates a shorted diode defective. An OL indicates an open diode defective. Reverse the test leads connections reverse biased across the diode. The digital display shows OL if the diode is good. Any other readings indicate the diode is resistive or shorted defective. The analog bar-graph bm589cf the mA current value to alert the user. 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.

To avoid brhmen 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. RSC PC computer interface capabilities The instrument equips with an optical isolated interface port at the meter back for data communication. The meter beeps when new brtmen or minimum reading is updated. Auto Power Off feature will be disabled automatically in this hrymen.


Relative Zero mode Relative Zero allows the user to offset the meter consecutive measurements with the displaying reading as the reference value. Press the button momentarily to activate and to exit Relative Zero mode. It will also be turned beymen automatically after 30 seconds to extend battery life. Press the button momentarily again to step through the ranges.

Press and hold the button for 1 second or more to resume auto-ranging mode. Manual ranging mode feature is not available in Hz function.

Hold The hold function freezes the display for later view. Press the HOLD momentarily to activate or to exit the hold function. However, the continuity and Jack Beep input warning features remain. Activities are specified as: In other words, the meter will intelligently avoid entering the APO mode when it is under normal measurements. Always turn the rotary switch to the OFF position when the meter is not in use.

Do not operate with open case. Install only the same type of fuse or equivalent Trouble Shooting If the instrument fails to operate, check battery, fuses, leads, etc. 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.

Most measuring functions through this terminal will then be open circuit. The series fusible resistors and the spark gaps should then be replaced by qualified technician. Cleaning and Storage Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or solvents. If the meter is not to be used for periods of longer than 60 days, remove the battery and store it separately.

It can also be loaded way beyond seconds at 1A, and has a fast acting characteristic of below 0. This protection characteristic also matches our meter nicely.

Battery replacement for models with battery access door: Loosen the 2 screws from the battery access door of the case bottom. Lift the battery access door and thus the battery compartment up. Fuse replacement and also Battery replacement for splash proof version without battery access door: Loosen the 4 screws from the case bottom.

Lift the end of the case bottom nearest the input jacks until it unsnaps from the case top. 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. 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.

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 be billed for the repair.

It’s a community-based project which helps to repair anything.