Transistor Hfe Test - General DMM51FSG Manual De Usuario

DMM51FSG Manual FINAL-091908:Layout 1
B-5 RESISTANCE
Range
200Ω
2KΩ
20KΩ
200KΩ
2MΩ
20MΩ
200MΩ
VOLTAGE AT OPEN CIRCUIT: 700mV (200MΩ range, open circuit voltage
OVERLOAD PROTECTION: All ranges 250VDC or AC RMS.
CAUTION: At 200MΩ range, as test lead is short circuit the LCD display 10 digits
is normal, deduct the 10 digits from the measured reading during
measuring.
B-6 DIODE TEST AND CONTINUITY BEEPER
Range
OVERLOAD PROTECTION: 250V DC or AC RMS.
B-7 TRANSISTOR hFE TEST
Range
hFE
Resolution
0.1Ω
1Ω
10Ω
100Ω
1KΩ
10KΩ
100KΩ
around 3V).
Comment
Display diode forward-
voltage near value,
Unit "mV"
Beeper sounds if
Continuity Resistance
70Ω. Display near value
Unit "Ω"
Comment
Can measure NPN
or PNP transistor
hFE Range: 0-1000
Accuracy
DMM51FSG
± (0.8% rdg + 3 digits)
± (0.8% rdg + 1 digit)
±(1% rdg + 2 digits)
± [ 5% (rdg-10 + 10 digits) ]
Measuring Condition
Forward DC current abt 1mA
Backward DC voltage abt 2.8V
Voltage at open circuit
abt 2.8V
Measuring Condition
Basic polarity current abt
10 A,Vce abt 2.8V
9/19/08 4:03 PM Pa