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Uni-T UT55 [5/20] With relative humidity at 75 accuracy specifications take the form of a readings digits
![Uni-T UT55 [5/20] With relative humidity at 75 accuracy specifications take the form of a readings digits](/views2/1665310/page5/bg5.png)
B. Specifications
Accuracy is specified for one year after calibration,
at operating temperatures 23
o
C +/- 5
o
C, with relative
humidity at < 75%.Accuracy specifications take
the form of:+/- (a% readings +digits )
B-1Direct Current Voltage (DC Voltage)
Input impedance: All ranges are 10MΩ .
Overload protection: 200mV is 250VDC or AC
RMS. All other ranges is 750Vrms or 1000Vp-p.
B-2 Alternating Current Voltage (AC Voltage)
Input impedance: All ranges are 10MΩ.
Frequency: 40Hz-400Hz .
Overload protection: 200mV is 250VDC or AC
RMS. All other ranges is 750Vrms or 1000Vp-p.
Display: Average Value (RMS of Sine Wave).
200mV
2V
20V
200V
1000V
100µV
1mV
10mV
100mV
1V
Range Resolution
(0.5% +1)
UT51 UT 52 UT53 UT54 UT55
Accuracy
(0.8% +2)
200mV
2V
20V
200V
750V
100µV
1mV
10mV
100mV
1V
Range Resolution
UT51 UT 52 UT53 UT54 UT55
Accuracy
(1.2% +3)
(0.8% +3)
(1.2% +3)
Model UT51-55: OPERATING MANUAL
5
Содержание
- The meter is suitable for indoor use only 3
- Accuracy is specified for one year after calibration 5
- At operating temperatures 23 5
- B 1direct current voltage dc voltage 5
- B 2 alternating current voltage ac voltage 5
- B specifications 5
- Frequency 40hz 400hz overload protection 200mv is 250vdc or ac rms all other ranges is 750vrms or 1000vp p display average value rms of sine wave 5
- Input impedance all ranges are 10 5
- Overload protection 200mv is 250vdc or ac rms all other ranges is 750vrms or 1000vp p 5
- With relative humidity at 75 accuracy specifications take the form of a readings digits 5
- B 5 resistance 8
- B 6 capacitance 8
- B 7 frequency 8
- Range as test lead is short circuit the lcd display 10 digits is normal deduct the 10 digits from the measured reading during measuring 8
- Range open circuit voltage around 3v overload protection all ranges 250vdc or ac rms caution at 200 8
- Testing signal around 400hz 40mvrms 8
- Voltage at open circuit 700mv 200 8
- B 10 transistor hfe test 9
- B 8 temperature 9
- B 9 diode test and continuity beeper 9
- Input sensitivity 100mvrms overload protection 250vrms 9
- Overload protection 250v dc or ac rms 9
- C making measurements 10
- Capacitance jack 10
- Input jack 10
- Liquid crystal display 10
- On off switch 10
- Rotary switch 10
- Temperature jack 10
- Transistor jack 10
- Please refer to dc current caution 1 2 3 12
- C 7 measuring frequency 14
- D maintenance i general service 15
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