MEASURING
INSTRUMENTS
Page 8 of 14
2.2.7 Inductance (L)
Scale
Accuracy
Resolution
2mH
±(2.5%+30)
1μH
20mH
10μH
200mH
100μH
2H
1mH
20H
10mH
Overload protection 36V DC or AC peak value.
2.2.8 Temperature (with probe supplied)
Scale
Accuracy
Resolution
(-20~1000) °C
±(0.8%+5)<400°C
±(1.5%+15)
≥
400°C
1°C
Thermocouple type - K (yellow).
2.2.9 Frequency
Scale
Accuracy
Resolution
2kHz
±(1.0%+10)
1Hz
20kHz
10Hz
200kHz
100Hz
2000kHz
1kHz
10MHz
10klHZ
Input sensitivity: 1V RMS.
Overload protection: 250V or AC peak value.
2.2.10
Diode and continuity tests
Scale
Reading
Condition
Direct voltage drop of the diode
The input current is 1mA.
The return voltage is about 3V.
The acoustic signal emits a constant
signal when the resistance is between
70
±20
.
Opening
of
voltage
approximately 3V.
Overload protection: 250V or AC peak value.
ATTENTION: DO NOT PERFORM LIVE TESTS
2.2.11
hFE transistor test
Scale
Scale display
Condition
hFE NPN or PNP
0~1000
Base current of
approximately 10μA , about
3V voltage.
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