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Uni-T UT55 Расширенная инструкция онлайн [6/20] 528139
![Uni-T UT55 Расширенная инструкция онлайн [6/20] 528139](/views2/1665310/page6/bg6.png)
B-3 Direct Current Current (DC Current)
Overload protection:
20µA
200µA
2mA
20mA
200mA
2A
10A
20A
0.01µA
0.1 µA
1 µA
10µA
100 µA
1mA
Range Resolution
UT51 UT 52 UT53 UT54 UT55
Accuracy
(2%+5)
(0.8%+1)
(1.5%+1 )
(0.8%+1)
10mA
(1.5%+1)
(2%+5)
(2%+5 )
For UT51:
2A, 250V fast acting fuse, φ5x20mm(below
2A range)
10A, 250V fast acting fuse,φ5x20mm(at 10A
range) .
For UT52/53/54/55:
315mA, 250V fast acting fuse, φ5x20mm (No
fuse at 20A range).
Max current input :
For UT51: 10A (The measurement time
for high current should be less than 10
seconds maximum, and the interval time
between two measurements should be greater
than 15 minutes.
For UT52/53/54/55: 20A (The measurement
time for high current should be less than 15
seconds maximum, and the interval time
between two measurements should be greater
than 15 minutes.
Model UT51-55: OPERATING MANUAL
6
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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