Products > Test Equipment
Two €200 meters: Brymen vs. UNI-T
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mwb1100:
While the BM786/BM789 are very nice meters, they don't have the data logging feature.
sonpul:
It is very difficult for me to imagine any truly useful task for data logging. I don't understand the dual display in the multimeter either. I bought a second BM789 for any additional measurements without limitation.
shapirus:

--- Quote from: sonpul on March 28, 2023, 06:09:38 pm ---I don't understand the dual display in the multimeter either.

--- End quote ---
T1+T2, DC+AC, (less useful) ACV+Frequency.

But yeah, second DMM solves this, at the expense of the extra space and wires required and the reduction of the effective input resistance as seen by DUT to 5 MOhm, if you measure volts with both.
mwb1100:

--- Quote from: robdejonge on March 28, 2023, 06:08:09 am ---Unique features I'd use:
- 2 temp probes on the BM
- NCV and data logging on the UT

--- End quote ---

If you're interested in on-board data logging, the Brymen BM535s might be worth consideration.  It appears to have most of the features of the 869s for something like €20 less.  But you'd sacrifice specs (10000 count vs 500000 count, 20kHz vs 100kHz bandwidth, and generally less precision/accuracy)

Note: I'm just going by a scan of the data sheets - I've never had or used the BM535s, BM869s, or UT171B.
mwb1100:

--- Quote from: sonpul on March 28, 2023, 06:09:38 pm ---It is very difficult for me to imagine any truly useful task for data logging.

--- End quote ---

Apparently the OP does, since logging functionality was mentioned more than once including in the "Unique features I'd use" section.
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