Tenma 72-7780 - AC Voltage and Resistance Specifications

Inputimpedance:about10MΩ.
ResultsmightbeunstableatmVrangewhennoloadisconnected.Thevalue
becomesstableoncetheloadisconnected.Leastsignificantdigit≤±3
Maxinputvoltage:±600V,whenthevoltage≥600V,"OL”symbolappearsandthe
buzzergoesoff.”

2.ACvoltage
Range Resolution Accuracy
60.00mV 0.01mV
±(1.0%+3)
600.0mV 0.1mV
6.000V 0.001V
±(0.8%+3)
60.00V 0.01V
600.0V 0.1V
600V 1V ±(1.0%+3)
VFC200.0V~600V 0.1/1V ±(4.0%+3)
Inputimpedance:about10MΩ
DisplaytrueRMS.Frequencyresponse:45Hz~1KHz(LPF45~400Hz)
Accuracyguaranteerange:5‐100%oftherange,shortedcircuitallowsleast
significantdigit≤10 
CrestfactoratMaxrange=3.0(excluding600Vrange,crestfactor=1.5)
Maxinputvoltage:600Vrms
3.Resistancemeasurement.
Range Resolution Accuracy
600.0Ω 0.1Ω ±(1.0%+2)
6.000kΩ 0.001kΩ
±(0.8%+2)60.00kΩ 0.01kΩ
600.0kΩ 0.1kΩ
6.000MΩ 0.001MΩ ±(1.2%+3)
60.00MΩ 0.01MΩ ±(1.5%+5)
Measurementresult=readingofresistor–readingofshortedtestleads
Opencircuitvoltage=1V(Current=0.4mA)
Overloadprotection:600V‐PTC
4.Continuity,Diode
Position Resolution Remark

0.1Ω
SetValue:
Opencircuit:resistance≥150Ω,nobeep.
Well‐connectedcircuit:resistance≤10Ω,continuous
beeps.

0.001V
Opencircuitvoltage:3.2V
SiliconPNjunctionvoltage:0.5~0.8V.
Overloadprotection:600V‐PTC