Extech MG300 Data sheet

Insulation Tester/MultiMeter
with Wireless PC Interface

Combines a 1000V Insulation Tester

With a full-featured True RMS MultiMeter in a single, compact instrument

Features:

• Wireless USB interface transmits measurement data to a PC

• Backlit super large triple display

• 125V, 250V, 500V, and 1000V test voltages

• Insulation Resistance from 0.001MΩ to 4000MΩ

• Auto discharge of capacitive voltage

• Lock Power On Function for

hands-free operation

• Data Hold to freeze displayed reading

• Min/Max and Relative mode

• Auto power off

• Waterproof (IP67) rugged double-molded design

• Complete with remote receiver with USB cable, Windows

compatible software, test leads with alligator clips, Type K
bead wire temperature probe with adapter, carrying case, and
6 x AA batteries

®

PRELIMINARY

DATASHEET

Specifications Range Resolution Accuracy

Insulation Tester

Measure the insulation resistance of
transformer windings

Only a True RMS meter can give accurate
readings of distorted waveforms

Continuous data streaming to your
PC in real time

Insulation Resistance 4MΩ, 40MΩ, 400MΩ, 4000MΩ 0.001MΩ ±3%
Insulation Test Voltages 125V, 250V, 500V, 1000V

Multimeter

AC Voltage 1000V 0.1mV ±1%
DC Voltage 1000V 0.01mV ±0.06%
AC Current 10A 0.1µA ±1.5%
DC Current 10A 0.01µA ±1.0%
Resistance 40MΩ 0.01Ω ±0.3%
Capacitance 40mF 0.001nF ±3.5%
Frequency 100MHZ 0.001HZ ±0.1%
Duty Cycle 0.1 to 99.9% 0.01 ±1.2%
Temperature -58 to 2192°F 0.1°F ±1% + 4.5°F

4-20mA% -25 to 125% 0.01%
Continuity/Diode Yes
Power source 6 x AA batteries
Dimensions 7.8 x 3.6 x 1.9” (200 x 92 x 50mm)
Weight 20.5oz (582g)

Ordering Information:

MG300 ....Insulation Tester/True RMS MultiMeter w/Wireless PC Interface (915MHz) ............................................$399.99

MG302 ....Insulation Tester/True RMS MultiMeter w/ Calibration Traceable to NIST. (433MHz) ..............................$399.99

MG300 ....Insulation Tester/True RMS MultiMeter w/Wireless PC Interface (915MHz) ............................................$499.99

MG302 ....Insulation Tester/True RMS MultiMeter w/ Calibration Traceable to NIST. (433MHz)..............................$499.99

(NOTE: USA, Mexico, and Canada use 915MHz model and majority of other countries use 433MHz model)

www.extech.com

Specifications subject to change without notice.
Copyright © 2009-2011 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.

-50 to 1200°C 0.1°C ±1% + 2.5°C

07/25/11 - R1