Introduction, Table of Contents | HP Extech 380976 specification

Introduction

Congratulations on your purchase of the Extech 380976 Power Clamp-On Meter. This device measures 1Φ/3Φ Power (True, Apparent, and Reactive), Horsepower, Phase Angle, True RMS Current/Voltage, Resistance, Capacitance, Frequency, & Temperature. Power measurements can be achieved on 3- or 4-wire configurations. Please read the entire manual to get the most from the meter’s wide array of capabilities. This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.

Table of Contents
Warranty	3
Safety Information	3
Meter Description	4
AC + DC Voltage Measurements	5
AC Current Measurements	5
1Φ KW, KVA, KVAR, Power Factor & Phase Angle Measurement	6
3Φ 3-Wire KW, HP, KVA, KVAR, Power Factor & Phase Angle Measurement	7
3Φ 4-Wire KW, HP, KVA, KVAR, Power Factor & Phase Angle Measurement	10
Resistance and Audible Continuity Measurements	13
Capacitance Measurements	14
Diode Tests	14
Temperature Measurements	14
AC and DC µA Current Measurements	14
Meter Control Keys	15
Automatic Sleep Mode and Battery Replacement	16
Specifications	17
Calibration, Repair, and Technical Support Services	20

380976

V3.1

6/08