Extech Extech 380560 Manual

User's Guide

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High Resolution Benchtop MilliOhm Meter

Models 380560 and 380562

99 Washington Street
Melrose, MA 02176

Phone [phone]
Toll Free 1-800-517-8431

Introduction

Congratulations on your purchase of the Extech 380560 (117V) or 380562 (220V) High
Resolution MilliOhm Meter. This device offers seven resistance ranges with resolution as
low as 0.01mΩ. The 4-wire Kelvin clip connection ensures optimum accuracy. The built­in comparator feature offers HI-LO-GO testing. Typical applications include transformer,
motor coil, and PC Board resistance measurements. Careful use of this meter will
provide years of reliable service.

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX [phone] - TestEquipmentDepot.com

or consequential damages. Extech's total liability is limited to repair o r replacement of the product. The warranty set fort h
above is inclusive and no other warranty, whether written or oral, is expressed or implied.

Specifications

General Specifications

Circuit Custom one-chip LSI microprocessor circuit

Display 0.7" (18 mm) 2000 Count LED Display

Connection type 4-Terminal Kelvin

Measurement ranges Seven ranges (see listing below)

Test voltage 5V DC

Comparator Built-in HI/LO/GO testing with audible beeper

Zero adjust Automatic (no adjustment necessary)

Over-range indication Display reads "1____" when the reading is out of range

Operating Temperature 32°F to 122°F (0°C to 50°C)

Operating Humidity Max. 80% RH

Power Supply 110V (380560) or 220V (380562) ±15%, 50/60Hz

Weight 4.85 lbs (2.2kg)

Dimensions 11 x 8 x 3.5" (280 x 210 x 90mm)

Range Specifications

Range Resolution Test Current Accuracy (%rdg) Test Voltage

20 mΩ 0.01mΩ

200 mΩ 0.1mΩ

2 Ω .001Ω

20 Ω .01Ω

200 Ω 0.1 Ω

2K Ω .001kΩ

20K Ω .01kΩ

1A

1A 3.3V DC

0.1A 3.5V DC

10mA 4.1V DC

1mA

0.1mA

10uA

Note: Specifications based on RF Field Strength <3V/m and frequency <30MHz

International Symbols

± (0.2% + 6 digits) 2.7V DC

± (0.2% + 4 digits)

4.5V DC

2

380560, Version 1.6, 04/03