Introduction; Specifications - Extech Instruments 380580 User Manual

Introduction

Congratulations on your purchase of Extech's Model 380580 Battery Powered Milliohm
Meter. This device offers five resistance ranges with resolution as low as 0.1mΩ. The 4-wire
Kelvin clip connection ensures optimum accuracy. Typical applications include transformer,
motor coil, and PC Board resistance measurements. This professional meter, with proper
care, will provide years of safe reliable service.

Specifications

General Specifications
Display
Measurement terminals
Measurement Range
Sampling Time
Over input indication
Operating Temperature
Operating Humidity
Power Supply
Weight
Dimensions
Range Specifications
Range
200.0mΩ
2000mΩ
20.00Ω
200.0Ω
2000Ω
International Symbols
This symbol, adjacent to another symbol or terminal, indicates the user must
refer to the manual for further information.
This symbol, adjacent to a terminal, indicates that, under normal use,
hazardous voltages may be present
Double insulation
1.0" (25 mm) LCD (1999 counts)
4-Terminal Kelvin type
Five ranges (see listing below)
Approximately 3 times per second
Indication of "1 - - -"
5ºF to 131ºF (-15ºC to 55ºC)
<80% RH
8 x 1.5V AA Batteries
3.3 lbs (1.5kg)
9.8x7.5x4.3" (250x190x110 mm) with cover
Resolution Current
100mA
0.1mΩ
100mA
1mΩ
10mA
0.01Ω
10mA
0.1Ω
1Ω
Test
Accuracy
± 0.5% + 2 digits
± 0.5% + 2 digits
± 0.5% + 2 digits
± 0.5% + 2 digits
1mA ± 0.5% + 2 digits
2
Open Circuit
Voltage
4.2V
4.2V
4.2V
4.3V
4.4V
Version 2.0 1/05