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Burn Technology LTD
Hybris Business Park
Unit 11H, Crossways
Dorchester, Dorset
, UK

T: 01305 852 090

£3.95 for orders under £49

Burn Technology Limited on
The reviews are correct, this is a very good Multi..
Mark Hampton
Great unit, Wireless feature is very useful. ..
Dave Williams

Extech MG325 CAT IV Insulation Tester/True RMS MultiMeter

Extech MG325 CAT IV Insulation Tester/True RMS MultiMeter
Price: £384.57 +VAT

Product Code: MG325
Warranty: 2 Year
Availability: In Stock (3 - 5 Days)

Combines a 200GO/1000V high range Insulation Tester with a full feature True RMS Multimeter in a single, compact instrument. CAT IV safety rating ensures the highest level of protection.

  • Test Voltages of 250V, 500V, and 1000V
  • Measure Insulation Resistance to 5.5GOhm (autoranging)
  • AC Voltage measurement from 30 to 600V
  • Polarization Index measurement (PI)
  • Dielectric Absorption Ratio measurement (DAR)
  • 10MOhm internal resistance test
  • Low Resistance measurement with Zero function
  • Continuity beeper
  • Large 2000 count dual display with backlight
  • High voltage and overload indication
  • Auto-discharge and voltage output warning functions
  • Low battery indication
  • Complete with test leads, alligator clips, 6 AA batteries, hard cover, and soft carrying case
Product Information

View Datasheet
View Manual

Specifications Range Resolution Basic Accuracy
Insulation resistance
50MO, 100MO, 200MO,500MO, 2000MO
1GO, 10GO, 20GO, 50GO, 100GO, 200GO
0.001MO           ±(3%+3d)
Insulation Test Voltages 50V, 100V, 250V, 500V, 1000V   0 to 20%
AC/DC Voltage 600V 0.01V AC: ±(1.5%+5d)/ DC: ±(2%+3d)
Leakage Current 2000µA 10µA ±(10%+3d)
Resistance 10MO 0.01kO ±(3%+3d)
Low Resistance 100O 0.01O ±(1.5%+5d)
Cpacitance 500µF 0.1nF ±(5%+5d)
Frequency 1kHZ 0.1HZ ±(0.1%+3d)
Continuity (audible) Yes
Dimensions/ Weight 225 x 103 x 59mm (8.9 x 4.1 x 2.3") / 0.7kg (1.5lbs)


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