Products > Test Equipment
EEVBlog 121GW Multimeter Firmware Details
cmumford:
I also upgraded to 1.51, but didn't use the meter post upgrade. I'd love to know if I should downgrade.
gdewitte:
And now 1.52 is out there. Could someone please give us an update?
GeoffreyF:
Being of an empirical and somewhat adventurous nature, I decided to install the firmware labeled 1_52. The meter started back up just fine but comedy ensued, the firmware revision is reported as 1_53. I checked this several times lest my eyes deceived me. 1_53. I suppose I can state the result is better than expected, at least numerically.
Cursory examination, the meter seems OK. I'm still wondering if, after 1_51, it's still calibrated. but I think it is. I'd like a way to verify that - what a "bricked calibration" looks like is not what mine looks like. I'm thinking that the incident that initiated pulling 1_51 was fairly anomalous but can we get confirmation?
CDaniel:
I installed v1.52 , so far I see a big improvement in reducing the 50Hz noise in resistance mode , now when measuring Mohm resistors you can touch the probes and cables .
The beep sound in diode mode is still laggy ...
GeoffreyF:
--- Quote from: CDaniel on November 05, 2018, 11:35:14 pm ---I installed v1.52 , so far I see a big improvement in reducing the 50Hz noise in resistance mode , now when measuring Mohm resistors you can touch the probes and cables .
The beep sound in diode mode is still laggy ...
--- End quote ---
Did it report 1.53 when when you first started it? I think resistance resolution seems faster. I don't think that beep is supposed to happen with all diodes. Beep happens only when resistance is very low. It's responding to apparent continuity.
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