Iso-Tech IDM63N Instruction Manual page 12

(4) Diode Check and Continuity
Max. Open
Range Resolution Accuracy Max. Test Current
Circuit Voltage
1mV 1.5mA 3.3V
* ±(1.5%reading + 5digits)
*For 0.4V ~ 0.8V.
Overload Protection: 600V DC/AC rms max.
Continuity: Internal sounder operates when resistance is less than approximately 20Ω.
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