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Extech Instruments EX320 User Manual

Extech Instruments EX320
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Page #13 background image
EX320-EU-ENG V5.1 6/09
13
Specifications
Function Range Resolution Accuracy
Non-contact AC
Voltage detector
100 to
600VAC
Resolution & accuracy do not apply since the meter does
not display the voltage in this mode. The lamp at the top of
the meter’s display flashes when voltage is sensed and an
audible warning will sound
DC Voltage
(V DC)
200mV 0.1mV
(0.5% reading + 2 digits)
2V 0.001V
(1.0% reading + 2 digits)
20V 0.01V
200V 0.1V
600V 1V
(1.5% reading + 2 digits)
AC Voltage
(V AC)
(50 / 60Hz)
200mV 0.1mV
(1.0% reading + 30 digits)
2V 0.001mV
(1.5% reading + 3 digits)
20V 0.01V
200V 0.1V
600V 1V
(2.0% reading + 4 digits
DC Current
(A DC)
200A 0.1A (1.0% reading + 3 digits)
2000A 1A
(1.5% reading + 3 digits)
20mA 0.01mA
200mA 0.1mA
10A 0.01A
(2.5% reading + 5 digits)
AC Current
(AAC)
(50 / 60Hz)
200A 0.1A (1.5% reading + 5 digits)
2000A 1A
(1.8% reading + 5 digits)
20mA 0.01mA
200mA 0.1mA
10A 0.01A
(3.0% reading + 7 digits)
Resistance
200 0.1 (1.2% reading + 4 digits)
2k 1
(1.2% reading + 2 digits)
20k 0.01k
200k 0.1k
2M 0.001M
20M 0.01M (2.0% reading + 3 digits)
NOTES:
Accuracy specifications consist of two elements:
(% reading) This is the accuracy of the measurement circuit.
(+ digits) This is the accuracy of the analog to digital converter.
Accuracy is stated at 65
o
F to 83
o
F (18
o
C to 28
o
C) and less than 75% RH.
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Extech Instruments EX320 Specifications

General IconGeneral
BrandExtech Instruments
ModelEX320
CategoryMultimeter
LanguageEnglish

Summary

Product Introduction

Safety Information and Symbols

Safety Instructions and Input Limits

Rules for safe operation, including input protection limits.

Operational Cautions

Controls and Jacks Overview

Display Symbols and Annunciator Meanings

Explains the symbols and annunciators displayed on the LCD screen.

Operating Instructions

Non-Contact Voltage Detector Operation

Instructions for using the non-contact AC voltage detection feature.

AC Voltage Measurement Procedure

DC Voltage Measurement Procedure

AC/DC Current Measurement Guide

Resistance Measurement Procedure

Continuity Check Guide

Diode Test Procedure

Auto-Manual Range Selection

Max Mode Functionality

Auto Power Off Feature

Meter Maintenance and Care

Battery Installation and Low Battery Alert

Battery Replacement Steps

Step-by-step guide for replacing the batteries in the meter.

Fuse Replacement Procedure

Technical Specifications

General Device Specifications

IEC1010 Overvoltage Installation Categories

Explanation of overvoltage categories relevant to the meter's safety.

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