VOLTCRAFT VC271 TRMS Operating Instructions Manual page 66

Acoustic continuity tester
Measurement range
400 Ω
≤10 Ω continuous tone; ≥100 Ω no tone
Overload protection: 600 V
Test voltage approx. 1 V
Test current 0.7 mA
Never exceed the maximum permitted input values. Never touch circuits or circuit components if
they may carry voltages greater than 33 V/ACrms or 70 V/DC. This may cause a fatal electric shock!
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Resolution
0.1 Ω