product datasheet
PRODUCT DATASHEET
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
•
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 6,000 count display with analog bargraph
Ratio measurements (DAR)
•
High voltage and 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 test leads, alligator clip, 6 x AA
•
•
•
Step Voltage (10% steps at 50% to 120% of range)
•
Auto-discharge of voltage test signal
batteries, and soft case
Specifications
Range
Resolution
Basic Accuracy
Insulation Resistance
50MΩ, 100MΩ, 200MΩ,500MΩ, 2000MΩ, 1GΩ, 10GΩ, 20GΩ
0.01MΩ
±3%
Insulation Test Voltages
50V, 100V, 250V, 500V, 1000V
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)
0 to 10%
Ordering
MG320............... CAT IV Insulation Tester/True RMS MultiMeter
UPC Code: 793950383223
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
www.extech.com
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