191.95 Incl. 21% Tax: €191.95 Excl. Tax: €158.64
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Product number: ELE004589


The Brymen BM789 multimeter is a new series of multimeters in the Brymen line-up. It is perfect for customers who want more function out of their multimeters. These functions include low impedance, dBm power, and DC Loop Current 4 - 20 mA measurements. It comes with a True-RMS function, which can help with measuring non-sinusoidal signals correctly. With a CATIII 1000V and a CATIV 600V rating, the meter is very robust. Not only is it possible to measure the common DC and AC voltage/current signals, but is also suited for frequency, capacitance, resistance, duty cycles, and temperature measurements. On top of that, the Brymen is also capable of measuring AC+DC signals, diodes, and preform NCV tests. It has overload protection as well.

This multimeter also has a more economical variant with fewer functions. Namely, the Brymen BM785 multimeter. The BM785 does not have a dBm measurement, low impedance mode, DC Loop Current 4 - 20 mA verification, and a temperature measurement.


Range and accuracies
SpecificationsRangeBest achievable accuracy
Max. DC voltage (V)1000 V ±(0.03% + 2 digits)
Max. LoZ DC voltage (V) 1000 V±(0.5% + 30 digits)
Max. AC voltage (V) true-RMS1000 V 50 Hz - 100 KHz ±(0.5% + 30 digits)
Max. LoZ AC voltage (V)1000 V±(1.0% + 40 digits)
Max. VFD AC voltage (V)1000 V10 Hz - 200 Hz ±(4% + 50 digits)
200 Hz - 440 Hz ±(10% + 50 digits)
Max. DC current (A)10 A ±(0.075% + 20 digits)
Max. AC current (A) true-RMS10 A ±(0.9% + 20 digits)
±(1% + 30 digits)
Max. Resistance (Ω)60 MΩ ±(0.085% + 4 digits)
Max. Capacitance (F)10 mF±(1% + 2 digits)
Frequency range5 Hz - 1 MHz ±(0.002% + 4 digits)
Temperature range-200 °C to 1090 °C
-328 °F to 1994 °F
±(1.0% + 1 °C)
±(1.0% + 1.8 °F)
Measurement category1 KV CAT III
600 V CAT IV
Input impedance 10 MΩ, 75 pF
Continuity check between 100 Ω and 420 Ω
Display (update rate)LCD display, 4 - 5/6 digits (max. 5 per second), 31 Segment Bar-graph (max. 50 per second), auto-ranging
Counts60 000 counts
Power3 x 1.5V AAA alkaline battery
Special featuresAutoHold; VFD; BeepLitTM Continuity; Record MAX, MIN, & AVG readings; Crest (Instantaneous Peak hold) MAX & MIN readings; Relative Zero mode; Data Hold; BeepJack™ audible & visible input warning; 4 - 20mA loop current readings; T1-T2 differential temperature readings; dBm readings, Automatic polarity, Diode test, NCV
Dimensions193 x 89 x 51 mm
Weight635 g


The Brymen BM789 multimeter comes with:

Pros and cons

  • dBm measurements
  • DC Loop Current 4 - 20 mA verification
  • Low impedance mode


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Latest customer reviews

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Review by Finn Krassoi 
Posted on 22/01/2024
My perfect multimeter. It’s lovely to use in every way. The leads are beautiful, continuity is incredibly fast and responsive, and the high resolution in a portable format has been a game changer for taking precise measurements on the fly. Truly a piece of art!
Review by Joachim T 
Posted on 05/11/2021
I bought this multimeter for "whatever comes across my desk" at work. I started out by looking at a famous yellow supplier of multimeters, but the performance to price ratio was better on the BM789 so I ended up buying the Brymen.
The product itself feels solid and has a nice size (it does not feel as chunky as the BM8XX series which I also have experience with. The weirdly oversized "head" on the BM8XX is gone so a big thumbs up for that).
The functionality is great, and the multimeter is intuitive to use, once you have spent some time pressing the buttons and seen how to get into different measurement modes.

If I should mention anything negative, then I would have preferred that the multimeter used 9V batteries and that it supported datalogging over IR as this is something we use on other multimeters at work.

But in general, I am really satisfied and would highly recommend it for anyone looking for a multipurpose meter.