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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Auto Power Off feature will be disabled automatically in this mode. 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. Do not measure any current that exceeds the current rating of the protection fuse.

Brymen BMCF Manuals

Press button momentarily to toggle between 5 full digits and 6 full digits Hz readings. Activities are specified as: It can also be loaded way beyond seconds at 1A, and has a fast acting characteristic of below 0. In reality, complex waveforms, noise and distorted waveforms contain much higher frequency byrmen than its fundamental. If the reading shows zero, select higher sensitivity.

The lower the measuring range the higher the sensitivity. 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. In many cases the suspected component must be disconnected from the circuit to obtain an accurate reading.

Do not touch test lead tips or the circuit being tested while power is applied to the circuit being measured. The analog bar-graph remains the mA current value b859cf alert the user.

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Brymen BM859CF Manuals

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

Lift the end of the case bottom nearest the input jacks until it unsnaps from the case top. 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. If bj859cf Hz reading is unstable, select lower sensitivity to avoid electrical noise.

If the meter is not to be brymwn for periods of longer than 60 days, remove the battery and store it separately. The b859cf bargraph pointer will point at the selected trigger level range scale 1, 2, 3, or 4. The series fusible resistors and the spark gaps should then be replaced by qualified technician. In measuring pure sinusoidal waveform, this technique is fast, accurate, and cost effective. Inspect test leads, connectors, and probes for damaged insulation or exposed metal before using the instrument.

Hold The hold function freezes the display for later view. Battery replacement for models with battery access door: Note — Examples include switches in the fixed installation and some equipment for industrial use with permanent connection to the fixed installation. An OL indicates an open diode defective. Press the button momentarily to activate and to brgmen Relative Zero mode. Dual channels T1-T2 readings require 2 probes.

In bk859cf non-sinusoidal waveforms, however, significant errors can be introduced because of different scaling factors relating average to RMS values. If the instrument is used in a manner not specified by the manufacturer, the protection provided by the instrument may be impaired. Always set the instrument to the highest range and work downward for an unknown value when using manual ranging mode.


A reading higher than that indicates a leaky diode defective. Do not attempt a current vrymen to bm859ct circuit where the open bryjen voltage is above the protection fuse voltage rating. 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. 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.

Suspected open circuit voltage should be checked with voltage functions.

Do not operate with open case. Keep your fingers behind the finger guards of the test leads during measurement. Insert the banana plug K-type temperature bead probe Bkp60 standard accessory x 1 with correct polarities. It is not the frequency measurement function, and is the frequency response of the AC functions.

The digital display shows OL if the diode is good.

It will also be turned off automatically after 30 seconds to extend battery life. Loosen the 4 screws from the case bottom. NMRR is typically specified in terms of dB decibel. Press and hold the button for 1 second byrmen more to resume auto-ranging mode. In dBm function, power up default reference impedance will be displayed for 1 second before displaying the dBm readings.


A zero reading indicates a shorted diode defective. However, DC component plays an important role in the distorted non-symmetrical waveforms, and will also be of interest sometimes. Press the HOLD momentarily to activate or to exit the hold function. Any other readings indicate the diode is resistive or shorted defective.