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AMM-1022
plug to the COM jack and the red one to the TEMP jack,
touch the end of the temperature sensor to the area or
surface of the object for measurement.
- You can get reading from LCD.
To avoid electrical shock, do not connect the
thermocouples with the electriferous circuit.
4.7 Transistor measurement
- Set the rotary switch to hFE range.
- Determine whether the transistor to be tested is NPN or
PNP type and locate the Emitter, Base and Collector
leads.
- Insert leads of the transistor into proper holes of the hFE
socket.
- The meter will show the approx. hFE value at test
condition of base current 10μA and Vce 2.8V.
To avoid electrical shock and/or damage to the
instrument,
transistors for testing, always be sure that test
leads have been disconnected from any
measurement circuits．
before
attempting
to
insert
15
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