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• 1.2” (30mm) jaw diameter Introduction Thank you for selecting the Extech 380943 AC Clamp Meter. This device is ideal for checking leakage, ground, and sheath current. This professional meter, with proper care, will provide years of safe reliable service.
Beeps < 38Ω Specification Notes • Open Circuit Voltage: 0.4V • AC Voltage Input Impedance: 10MΩ • Accuracy specified at 25 * Displays over 60A are possible but the accuracy of such measurements is not specified Model 380943 Ver. 2.1 11/2002...
4. ALWAYS turn off the power and disconnect the test leads before opening the meter to replace the fuse or the batteries. 5. NEVER operate the meter unless the back cover and the battery/fuse door are in place and fastened securely. Model 380943 Ver. 2.1 11/2002...
4. Refer to the applications diagrams below for specific measurement configurations. 5. Read the ACA value on the LCD digits and the bargraph. AC Current Applications Load Current Measurments Model 380943 Ver. 2.1 11/2002...
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Black lead to the black COM input terminal. 4. Connect the test leads to the circuit or device under test (see diagram example below). 5. Read the ACV value on the meter’s display (LCD digits and bargraph). Model 380943 Ver. 2.1 11/2002...
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