Products > Test Equipment

TC1 lcr-meter transistor-tester fix

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Del:

--- Quote from: madires on December 28, 2019, 10:02:38 pm ---config_644.h 

--- End quote ---
SUPER ! everything worked out ! thanks  :-+


--- Quote from: madires on December 28, 2019, 10:02:38 pm ---modify main() 

--- End quote ---
This setting is in flash  tc1_u4_v0.3.1.hex   ?

madires:
I've meant main() in m-firmware's main.c.

Del:
in   main.c.  --   if (MissedParts >= CYCLE_MAX) 

  which  in  config.h

#define CYCLE_DELAY      10000   

#define CYCLE_MAX        0   

Super  !  now the device turns off after 10 seconds, after the 1st measurement  :-DMM :-+

Dronhom:
Had a previously mentioned problem when the tester always shows around 5 V ghost voltage between 1-2 or 1-3, and the problem couldn't be solved by re-calibration etc. Based on advice here, I took off zener diodes DZ1 and DZ2 - and the problem disappeared! After that I checked DZ1 and found it in good working condition, but DZ2 was short. Thanks to all contributors to this topic for useful information.

klausES:
Is it possible to deactivate the automatic switch-off P1-P2 for 15, 20, 25 seconds (25 seconds default) with this tester ?

I would prefer to switch it off manually with the button.
Or at least shutdown on e.g. 60 seconds ?

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