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Motwane IT-51 5 kV Digital Insulation Tester

Motwane IT-51 5 kV Digital Insulation Tester

Brand
Motwane
Model number
IT-51

Microprocessor-based 5 kV insulation tester for transformers, switchgear, motors, generators and cables: IR to 1 TΩ, automatic PI and DAR tests, digital plus analog arc display, and replaceable Li-ion cells.

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Key features

  • Selectable test voltage 250V, 500V, 1000V, 2500V, 5000V DC
  • Insulation resistance measurement up to 1T Ω
  • PI & DAR measurement facility
  • Short circuit current < 2mA ±0.5mA
  • Self-replaceable battery
  • Auto power off
  • AC/DC voltage measurement up to 600V
  • Three programmable timers from 0 sec to 99 minutes
  • Liquid crystal display with white backlight, digital and analog arc display
  • Leakage current shown in scrolling form with IR, PI and DAR values
  • Safety: IP 65, CAT IV 600V and CE conformity
  • Robust ABS body with self-carrying handle for easy portability
  • Automatic discharge for capacitive circuits
  • Guard terminal to minimize surface leakage
  • Pass - Fail limit

Specifications

Test voltage
Test voltages250V, 500V, 1000V, 2500V, 5000V DC
Accuracy±5% of rdg
Short circuit current<2mA ±0.5mA
Programmable timersT1, T2 & T3
Insulation resistance
Range1 KΩ to 1 TΩ (analog display and 3 digit digital display)
Accuracy up to 1GΩ±⁠(5% + 2 digits), all ranges
Accuracy over 1GΩ5000V ±⁠(5% + 0.04% per GΩ); 2500V ±⁠(5% + 0.08% per GΩ); 1000V ±⁠(5% + 0.2% per GΩ); 500V ±⁠(5% + 0.4% per GΩ); 250V ±⁠(5% + 0.8% per GΩ)
Guard resistance300kΩ ±10%
PI and DAR
Display range / resolution0 – 99.9 / 0.01
Accuracy±⁠(5% of reading + 5 digits)
Voltage
AC/DC voltage measurementUp to 600V DC, up to 600V AC RMS; ±5% of reading ±5 digits
General
TerminalsThree safety banana sockets (+VE, -VE and Guard)
DischargeAlways after measurement, with beep indication
DisplayCustom built, white backlit LCD
Mains power supply100-230V, 50/60Hz
Battery4 x replaceable Li-ion 3.7V 3200mAh (INR18650MH1)
Battery life / charging timeApprox. 5 hours continuous testing at 5kV on 250 MΩ load / 3 hours approx. (95% charged)
Auto power-off10 minutes (approx.)
Safety and standardsEN61010-1:2001; EMC EN 61326-1:2006; type test IS 11994; test leads EN61010-031:2002 +A1:2008
Protection / categoryIP 65, CE & CAT IV 600V
Operating temperature-10°C to 55°C
Storage temperature-20°C to 70°C
Humidity / altitudeLess than 95% RH non-condensing, max at 40°C / 2000 meter
Dimensions365 mm (L) x 285 mm (W) x 190 mm (H)
Weight4.0 Kg approx. (without accessories)
Ordering
Order code109381610 (with standard accessories)
Optional accessoriesTest leads 10 meter; test leads 15 meter
Supplied with
Standard accessoriesTest leads 3 meter (1 set); user manual; calibration sheet; carrying bag; mains protection fuse 2A, 250V fast blow (2 nos.)

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

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