Recently I noticed that UT61E began to show a false VDC (when nothing is connected shows about -1.15 VDC).
Questions.
1) Have you tried a new battery?
2) If you short out the probes with the meter on DCV, does it show 0.0?
3) Post clear focused pictures of your meter so we can see the pcb (both sides) and look for any obvious damage.
4) Does ACV work?
5) Does resistance work if you measure a 1k ohm resistor?
Hi,
-> 1) Yes, I have tried a few new batteries, meter VDC readings are almost the same.
-> 2) No, it doens't, see pictures bellow.
-> 3) See pictures bellow, sorry for poor quality, for now I only can make photos with phone camera. I do not see any visible damage.
-> 4) Yes AC works correctly, see pictures bellow
-> 5) Yes resistance works correctly, see pictures bellow.
I also noticed:
Resistance -> buzzer function, no sound if contacts are shorted
Resistance -> diode function doesn't work correctly, see pictures bellow (shows ~1,6 V when nothing connected, if contacts shorted buzzer sound apears
)
Capacity measurements works correctly.
Frequency (AC) measurements works correctly.
Current uA, mA, A measurements works correctly.
higher quality:
http://postimg.org/gallery/3igu9z1le/