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Motor Cum-Hand Operated Insulation Tester

Motor Cum-Hand Operated Insulation Tester

Product Details:


Product Description

We are prominently known in  the market for manufacturing and supplying Motor Cum-Hand Operated Insulation Tester. This tester is a multi purpose instrument, which is suitable for checking the insulation and conductance of high tension electrical and electronic fields. Our offered insulation tester is applicable in rotating plant, communication cables and distribution networks. This Motor Cum-Hand Operated Insulation Tester is provided by us with a anti-parallax mirror scale along with knife edge pointer.


  • Precise results 
  • High performance
  • Long lasting life


Motor-Cum-Hand Operated Insulation Tester Model: CIE / 777HM


CIE/777 is a universal, Multi-purpose instrument for checking insulation and conductance during simulated operating conditions in high tension electrical and electronic fields. It is ideally useful for the electrical maintenance of Rotating plant machinery, Distribution networks, Communication cables, Insulators and servicing of Control and switching equipments, transformers and industrial installations. Di-electric Absorption test requires the voltage to be applied for several minutes. Operating an instrument under motor power allows this to be done easily. The high sensitivity of the instrument enables sensible reading to be obtained from such polarisation index tests. (Polarisation Index = Resistance after 10 min./Resistance after 1 mm ) Better results are obtained by using longer time periods. It is a versatile mains operated insulation tester which is recommended for every electrical engineer.

Type CIE/777 can save several hours in locating intermittent shorts, defective electrical connections, insulation and conductor failure and in preventing costly repairs & break-down insulation value.

Salient Features

  • Accurate, Quick response and Graceful Appearance
  • Operated by 230volts, 50Hz AC mains
  • Can also be operated by Hand in Model : CIE / 777HM
  • Collapsible Generator Hand in Model : CIE / 777HM
  • Seasoned wooden cabinet with sunmica finish complete with detachable lid, carrying handle & lock
  • Anti-parallax mirror scale with knife edge pointer
  • Centrifugal Clutch (Governor) For Constant Output Voltage in Model : CIE / 777HM
  • Highly Sensitive cross-coil indicator provided with guard terminal and external accessible infinity adjuster

Technical Detail

  • Scale Length - 100mm (approx.)
  • Mains Supply - 230V, 50Hz
  • Accuracy - As per IS: 2992-1987
  • Dimensions (in inch) - 14 x 10 x 10 (approx.) (Incl. Top Cover)
  • Weight (Incl. Top Cover) - 9 kg. (approx.)


Generally available from 100V to 5000V DC o/p voltage (single or multiple output range at options) with respectively suitable insulation range from 10 mega ohm to 1,00,000 mega ohm depending upon the o/p voltage range chosen. Multi range instrument are provided with range selector switch. Special (higher) resistance range can also be manufactured against specific requirement.

Electrical Specifications

Response Time

3 seconds

High Voltage Test

Withstands minimum 2 KV or (rated voltage + 1) KV A.C. (rms) for 1 min. between the electrical circuit & containing case

Insulation Resistance Test

Better than 50 Megohms at 500 V D.C. between the electrical circuit & the containing case



Mains cord (2mtrs length) - 1 No

Optional (At extra cost)

H. V. Testing leads - 1 pair (2mtrs length)

Rexine carrying case

Optional Extra Facility
(at extra cost)

15 minuites Timer Facility

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Market Office:

55, Ezra Street, 4th Floor,
Yamuna Bhavan, Kolkatta - 700001

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