PRODUCT DATASHEET MG325 CAT IV Insulation Tester/ True RMS MultiMeter Combines a 200GΩ/1000V high range Insulation Tester with a full-featured True RMS MultiMeter in a single, compact instrument. CAT IV safety rating ensures the highest level of protection. Checking voltage on a lathe Insulation test on pump motor Features Measure Insulation Resistance to 200GΩ • Lock Power On Function for hands-free operation • 5 Test Voltage ranges • Manually store/recall up to 99 readings • Polarization Index (PI) and Dielectric Absorption • Backlit 10,000 count display with analog bargraph Ratio measurements (DAR) • LED high voltage and LCD overload indication Low Resistance measurement with Zero function • Data Hold to freeze displayed reading • Programmable Timer feature sets the duration of test • Auto Power Off and Low battery indication • Comparison Mode allows user to set the Pass/Fail • CAT IV-600V safety category values for insulation measurements • Complete with remote probe, test leads, alligator clip, • • • Step Voltage (10% steps at 50% to 120% of range) • Auto-discharge of voltage test signal 6 x AA batteries, and soft case Specifications Range Resolution Basic Accuracy Insulation Resistance 50MΩ, 100MΩ, 200MΩ,500MΩ, 2000MΩ 1GΩ, 10GΩ, 20GΩ, 50GΩ, 100GΩ, 200GΩ 0.001MΩ ±(3%+3d) Insulation Test Voltages 50V, 100V, 250V, 500V, 1000V AC/DC Voltage 600V 0.01V AC: ±(1.5%+5d)/ DC: ±(2%+3d) Leakage Current 2000µA 10µA ±(10%+3d) Resistance 10MΩ 0.01kΩ ±(3%+3d) Low Resistance 100Ω 0.01Ω ±(1.5%+5d) Capacitance 500µF 0.1nF ±(5%+5d) Frequency 1kHZ 0.1HZ ±(0.1%+3d) Continuity (audible) Yes Dimensions/ Weight 8.9 x 4.1 x 2.3" (225 x 103 x 59mm)/ 1.5lbs (0.7kg) 0 to 20% Ordering MG325............... CAT IV Insulation Tester/True RMS MultiMeter with Remote Test Probe UPC Code: 793950383353 Specifications subject to change without notice. Copyright © 2015 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form. Rev. 12/11/15 www.extech.com