HP Extech 380976 manual 380976 V3.1

Page 11

3.Third, measure WT(L3) (refer to the diagram that follows the steps below)

a.Disconnect the test probe from the phase where the jaws were clamped in the previous measurement.

b.Connect the test probe of the V (red) terminal to the third phase (e.g. T or L3 phase).

c.Clamp the phase where the test probe is connected to (e.g. T or L3).

d.The power clamp will automatically select the proper range.

e.Wait until the reading is stable (about 6 seconds), and then press the “HOLD” key; The WL3 symbol will disappear.

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Contents 1Φ/3Φ 1000 Amp True RMS Power Clamp-On Model Introduction Table of ContentsWhen servicing, use only specified replacement parts WarrantySafety Information Meter Description AC Current Measurements MeasurementsAC + DC Voltage Measurements 380976 V3.1 380976 V3.1 KVA 3φ 3W KW+PF Power Factor, KW+KVAR, KVA+θPhase Angle or A+V380976 V3.1 380976 V3.1 380976 V3.1 380976 V3.1 Resistance and Audible Continuity Measurements KVA 3φ 4WAC and DC µA Measurements Temperature MeasurementsCapacitance Measurements Diode TestsRange Key Meter Control KeysHold MX/MN Key Battery Replacement Automatic Sleep Mode and Battery ReplacementAuto Sleep Disable Specifications AC Voltage 50Hz to 400Hz True RMS Measurement SpecificationsAC Current 50Hz to 400Hz True RMS ΜA True RMS AC+DC1Φ/3Φ Reactive Power Kvar PF 0.5 or 60o 50/60Hz Temperature K-Type thermocouple1Φ/3Φ True Power PF 0.5 or 60o 50/60Hz 1Φ/3Φ Horse Power HP PF 0.5 or 60o 50/60HzFrequency Calibration and Repair Services1Φ/3Φ Apparent Power KVA Phase Angle 50/60Hz