仪器对比
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仪器简介：
GDM-451万用表/GDM-451万用表
GDM-451万用表的详细介绍
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 Voltage 3.0V 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
技术参数：
GDM-451万用表/GDM-451万用表
主要特点：
GDM-451万用表/GDM-451万用表
GDM-451万用表/GDM-451万用表
GDM-451万用表的详细介绍
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 Voltage 3.0V 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
技术参数：
GDM-451万用表/GDM-451万用表
主要特点：
GDM-451万用表/GDM-451万用表
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