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Megger MIT515/2 Essential 5 kV Insulation Resistance Tester

Megger MIT515/2 Essential 5 kV Insulation Resistance Tester

Brand
Megger
Model number
MIT515/2

Essential 5 kV insulation tester to 10 TΩ for quick IR, DAR and PI tests on motors, transformers and cables, with PI Predictor, RE>Act mode, 3 mA noise immunity and CAT IV 600 V safety; no onboard storage.

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Key features

  • Insulation resistance up to 10 TΩ at 5 kV, ±5% accuracy up to 1 TΩ
  • Test modes IR, timed IR, DAR and PI
  • Patented PI predictor function (PIp): predicts the 10-minute PI, starting as early as 3 minutes into the test; cuts PI test time by up to 50%
  • RE>Act mode shows when insulation is ready to retest, avoiding errors from residual reabsorption current, and monitors discharge to avoid dangerous return voltages
  • 3 mA noise immunity for typical industrial or distribution-level sites up to 45 kV
  • Fixed 3 mA burn / charge current
  • High-performance guard terminal
  • Custom colour display, two rotary switches, quick start guide in the lid
  • Five levels of voltage warning; live circuit detection and locking terminals
  • Dual-case design: tough outer case and fire retardant inner case; IP65 with the lid closed
  • Operates from battery or AC mains; 30-minute quick charge gives 1 hour of testing at 5 kV
  • No onboard storage
  • Safety rated CAT IV 600 V to 3000 m

Specifications

Insulation
Test voltages250 V, 500 V, 1000 V, 2500 V, 5000 V and user defined (40 V to 1 kV in 10 V steps, 1 kV to 5 kV in 25 V steps)
Accuracy (23 °C) from 1 MΩ to±5%: 1 TΩ at 5000 V, 500 GΩ at 2500 V, 200 GΩ at 1000 V, 100 GΩ at 500 V, 50 GΩ at 250 V; ±20%: 10 TΩ at 5000 V, 5 TΩ at 2500 V, 2 TΩ at 1000 V, 1 TΩ at 500 V, 500 GΩ at 250 V
Test modesIR, IR(t), DAR, PI
Interference (noise rejection)3 mA from 450 V to 5 kV
Guard terminalAt 100 GΩ and 5000 V, guards out current at least 5000 times the test current with a maximum additional error of 1%
RE>ActReabsorption current measurement; operational up to 30 V external applied
Short circuit / charge current3 mA
Test voltage accuracy+4%, -0%, ±10 V nominal test voltage at 1 GΩ load (0 °C to 30 °C)
Display rangeAnalogue 100 kΩ to 10 TΩ; digital 10 kΩ to 10 TΩ
Capacitor charge<3 s/μF at 3 mA to 5 kV
Capacitor discharge<250 ms/μF to discharge from 5 kV to 50 V
Capacitance range10 nF to 25 μF (test voltage above 500 V), ±10% ±5 nF
Current range0.01 nA to 6 mA, ±5% ±0.2 nA at all voltages (20 °C)
Insulation test alarm100 kΩ to 10 GΩ
Timer rangeUp to 99 minutes 59 seconds, 15 second minimum setting
Voltmeter
Range30 V to 660 V AC or DC, 45 Hz - 65 Hz
Accuracy±3%, ±3 V
General
PowerRechargeable 10.8 V, 5.2 Ah Li-ion battery (meets IEC 62133:2003), or 90-264 V rms, 47-63 Hz, 100 VA AC supply
Battery charge time2.5 hours deep discharge, 2 hours normal discharge
Battery life6 hours (typical) continuous testing at 5 kV with a 100 MΩ load
Operating temperature-20 °C to 50 °C
Storage temperature-25 °C to 65 °C
Humidity90% RH non-condensing at 40 °C
IP ratingIP65 (lid closed), IP40 (lid open)
SafetyCAT IV 600 V to 3000 m altitude; meets IEC 61010-1
Dimensions315 x 285 x 181 mm
Weight4.5 kg
30 min quick charge1 hour operation at 5 kV with a 100 MΩ load
Supplied with
ContentsPower lead; Calibration certificate; 3 m lead set with medium size insulated clips; Lid mounted pouch

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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