Extech MG320 Data Sheet
MG320 CAT IV Insulation Tester/
True RMS MultiMeter
Combines a portable 20GΩ/1000V
Insulation Tester with a True RMS
MultiMeter. Insulation tester includes
PI/DAR modes, programmable timer,
and a comparator for custom test
configurations and quick results.
Voltage check on motor starter Insulation test on pump motor
Features
• Measure Insulation Resistance to 20GΩ
• 5 Test Voltage ranges
• Polarization Index (PI) and Dielectric Absorption
Ratio measurements (DAR)
• Low Resistance measurement with Zero function
• Programmable Timer feature sets the duration of test
• Comparison Mode allows user to set the Pass/Fail
values for insulation measurements
• Step Voltage (10% steps at 50% to 120% of range)
• Auto-discharge of voltage test signal
• Lock Power On Function for hands-free operation
• Manually store/recall up to 99 readings
• Backlit 6,000 count display with analog bargraph
• High voltage and overload indication
• Data Hold to freeze displayed reading
• Auto Power Off and Low battery indication
• CAT IV-600V safety category
• Complete with test leads, alligator clip, 6 x AA
batteries, and soft case
Specifications
Insulation Resistance 50MΩ, 100MΩ, 200MΩ,500MΩ, 2000MΩ, 1GΩ, 10GΩ, 20GΩ 0.01MΩ ±3%
Insulation Test Voltages 50V, 100V, 250V, 500V, 1000V 0 to 10%
AC/DC Voltage 600V 0.1V ±2%
Resistance 20kΩ 0.01Ω ±1.5%
Continuity Yes
Dimensions/ Weight 8.9 x 4.1 x 2.3" (225 x 103 x 59mm)/ 1.5lbs (0.7kg)
Range Resolution Basic Accuracy
PRODUCT DATASHEETPRODUCT DATASHEET
Ordering
MG320 .............. CAT IV Insulation Tester/True RMS MultiMeter
Specifications subject to change without notice. Copyright © 2015-2016 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.
Rev. 1/4/16
UPC Code: 793950383223
www.extech.com
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