台湾固纬(GW-instek)掌上型数字万用表GDM-451
特点:◆ 4 1/2 Digits 19999 counts◆ Manual Ranging◆ Continuity Check/Diode Test◆ Data Hold◆ Temperature Measurement◆ Capacitance, Frequency Measurement
规格:
DC VOLTAGE
Range
200mV, 2V, 20V, 200V, 1000V
Best Accuracy
∮(0.05%rdg + 3 digits)
Input Impedance
10M
AC VOLTAGE (40Hz ~ 400Hz)
2V, 20V, 200V, 750V
∮(0.5%rdg + 10 digits)
2M
DC CURRENT
2mA, 20mA, 200mA, 20A
∮(0.5%rdg + 5 digits)
AC CURRENT (50Hz ~ 400Hz)
20mA, 200mA, 20A
∮(0.8%rdg + 10 digits)
RESISTANCE
200 ~ 200M 7 ranges
∮(0.3%rdg + 1 digit)
CONTINUITY BEEPER
Buzzer sounds if conductance less than 70
DIODE TEST
Open Circuit Voltage
approx. 2.8V typical
CAPACITANCE
2nF, 20nF, 2F, 20F
∮(3%rdg + 40digits)
FREQUENCY
1Hz ~ 20kHz
∮(1.5%rdg + 5 digits)
TEMPERATURE()
-40~1000
∮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