General Specifications - Extech Instruments MG325 User Manual

Insulation tester + dmm
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500V (0%~+20%)
1000V (0%~+20%)
Operating range per EN61557: 0.10MΩ~1.00GΩ (output voltage >/= 50V)
Short-circuit current: 2mA (0%~50%)
Leakage current accuracy: ± (10% + 3 digits)
Test voltage output step range is 50%~120% in 10% steps
Note: Accuracy is stated at 23
Note: Calibration interval: 1 year maximum
Note: Temperature coefficient: 0.1 x stated accuracy/
Note: Accuracy specifications consist of two elements:
 (% reading) This is the accuracy of the measurement circuit.
 (+ digits) This is the accuracy of the analog to digital converter.

General Specifications

Display
Ranging
Storage capacity
Input Impedance
AC Response
ACV Bandwidth
Over range indication
Auto Power Off
Polarity
Measurement Rate
Low Battery Indication
Battery
Consumption
Fuse
Enclosure
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Weight
Size
Safety
(250~600V)
(500~1200V)
o
o
C (75
F) and 45~75% RH.
5999 count, backlit, LCD with bargraph
Automatic
99 records (01-99)
>10MΩ
True rms
45Hz to 400Hz
">" is displayed in Insulation Resistance and Continuity modes
After 10 minutes of inactivity
Automatic (no indication for positive); Minus (-) sign for negative
2 times per second, nominal
"
" is displayed if battery drops below operating voltage
Six (6) 1.5V 'AA' batteries
500mA (at a 1000V test voltage); 17mA in nominal conditions
500mA/600V fast blow
Double molded, IP 40
0ºC~40ºC (32ºF~104ºF)
o
-20
C~60
<85%
<90%
2000m (7000ft,) maximum
0.7kg (1.5 lbs.) with batteries
225[L] x 103[W] x 59[D] mm (8.8[L] x 4.1[W] x 2.3[D] in.)
This instrument is designed in strict compliance with safety standard
IEC61010, overvoltage standard (CAT IV 600V) and pollution degree II.
Copyright © 2016 FLIR Systems, Inc.
All rights reserved including the right of reproduction in whole or in part in any form
www.extech.com
500kΩ
250VAC/DC
1MΩ
250VAC/DC
o
C
o
o
o
C (-4
F~140
F)
18
1mA
≤2mA
1mA
≤2mA
MG325-en-GB_v1.1 3/16

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