|
DC VOLTAGE
|
|
Range
|
200mV, 2V, 20V, 200V, 1000V
|
|
Best Accuracy
|
∮(0.05%rdg + 3 digits)
|
|
Input Impedance
|
10M
|
|
AC VOLTAGE (40Hz ~ 400Hz)
|
|
Range
|
2V, 20V, 200V, 750V
|
|
Best Accuracy
|
∮(0.5%rdg + 10 digits)
|
|
Input Impedance
|
2M
|
|
DC CURRENT
|
|
Range
|
2mA, 20mA, 200mA, 20A
|
|
Best Accuracy
|
∮(0.5%rdg + 5 digits)
|
|
AC CURRENT (50Hz ~ 400Hz)
|
|
Range
|
20mA, 200mA, 20A
|
|
Best Accuracy
|
∮(0.8%rdg + 10 digits)
|
|
RESISTANCE
|
|
Range
|
200 ~ 200M 7 ranges
|
|
Best Accuracy
|
∮(0.3%rdg + 1 digit)
|
|
CONTINUITY BEEPER
|
|
|
Buzzer sounds if conductance less than 70
|
|
DIODE TEST
|
|
Open Circuit Voltage
|
approx. 2.8V typical
|
|
CAPACITANCE
|
|
Range
|
2nF, 20nF, 2F, 20F
|
|
Best Accuracy
|
∮(3%rdg + 40digits)
|
|
FREQUENCY
|
|
Range
|
1Hz ~ 20kHz
|
|
Best Accuracy
|
∮(1.5%rdg + 5 digits)
|
|
TEMPERATURE()
|
|
Range
|
-40~1000
|
|
Best Accuracy
|
∮1% + 30
|
|
LCD DISPLAY
|
|
|
4 1/2 digits
|
|
POWER SOURCE
|
Single 9V battery (6F22)
|
|
|
|
|
ACCESSORIES
|
|
|
Instruction manual
Battery
Test leads
|
|
DIMENSIONS & WEIGHT
|
80(W) x 165(H) x 38.3(D) mm
Approx.275g
|
GDM-451数字电表特点
4 1/2 Digits 19999 counts
Manual Ranging
Continuity Check/Diode Test
Data Hold
Temperature Measurement
Capacitance, Frequency Measurement
