CAMBRIDGE INSTRUMENTS AND ENGINEERING COMPANY

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Earth Tester

We, CAMBRIDGE INSTRUMENTS & ENGINEERING CO. are offering a wide range of varieties in industrial and commercial products. we are doing this business for more than 15 years with extreme loyalty and honesty. We always put our customer's satisfaction in our top most priority list.

Hand Driven Generator Type Analogue Earth Tester

EARTH TESTER ANALOGUE HAND DRIVEN GENERATOR TYPE

3 TERMINALS & 4 TERMINALS

SCALE LENGTH: 80 MM (APPROX.)

ACCURACY: + 5%  (AS PER IS : 9223 / 1979)

GENERATOR ROTATION SPEED: 160 R.P.M.

DIMENSION (IN MM) : 110X128X190 (APPROX.)

TYPES : AVAILABLE IN THREE TERMINALS (FOR MEASUREMENT OF EARTH RESISTANCE & FOUR TERMINALS (FOR MEASUREMENT OF EARTH RESISTANCE & SOIL RESISTIVITY BOTH).

RANGES : i) AVAILABLE IN SINGLE RANGE FROM 0-1 OHM TO 10000 OHMS ( ANY ONE RANGE)

                    ii) ALSO AVAILABLE IN MULTIRANGE PROVIDED WITH RANGE SELECTOR SWITCH TO BE CHOOSEN FROM ( 0-1 OHMS TO 10000 OHMS)

Digital Earth Resistance Tester

Digital Earth Resistance Tester

31/2 Digits L.C. Display (PROVIDED With Ni - Cd Re- Chargeable Battery)

Technical Specification:

Display : 31/2 Digits Lcd Display

Range : Autoranging (0-2-20-200-2000OHMS).

Resolution : 0.001 Ohms

Accuracy : + 1% Rdg + 3 Digit

Memory : Last Ten Memories

Maximum Output Voltage : 50v A.C.

Frequency : 200hz + 10 Hz

Standard Accessories : Carrying Case, Battery Charger, Instruction Manual, Manufacturer's Traceable Test Certificate.

Optional Accessories  (AT Extra Cost) : 4 Nos. M.S. Spikes (45 Cm Length), Cable Length (10 Mtr.....1 No.., 20mtr.....2nos.., 30mtr......1no., 1 No. Hammer, 1 No. Piler., 1no. Screw Driver, All In One Bag).



Digital Earth Tester

Digital Earth Tester

Digital earth tester, 4 terminal type

(provided with ni - cd rechargeable battery)

Housed in rugged abs body

Display        :  31/2  digits lcd.

Accuracy   : + 1.5% (effective range)

Dimensions in (mm)  : 172x98x38 (approx.)

Weight   : 575 gm (approx.)

Standard accessories : i)  carrying case, ii) charging cord, iii) instruction manual.

Available in following dual ranges

A) 0-20-200ohms, b) 0-10-1000ohms, c) 0-100-1000ohms, d) 0-5-500ohms, e) 0-10-100ohms.

Any other combination of ranges can also be made on specific requirement.

 



Hand Driven Generator Type

We are an technology enriched firm which is dealing in this industry since years as a manufacturer and exporter of Hand Driven Generator Type. This generator type is  designed with the aid of our personnel, in order to provide straight forward and approximate soil investigation for agricultural and civil engineering planing and geological research industry. Our offered Hand Driven Generator Type is also known as earth tester and permits direct measurement of the resistance used in electric circuits. 

Features:

  • Silent operation
  • Provided with a collapsible handle
  • Chuck Nut Locking Arrangement to Prevent Anti-Clockwise Rotation

Hand Driven Generator Type

Application

'CIE' Earth Tester permits direct measurement of the resistance of earth used in power circuits. Telecommunication, Railway Electrification, Domestic & Industrial Electrical Installation, Lighting Protection Installation and various other Electrical Systems. The tester performs equally well in Terrain where the conductivity of the soil is low, e.g., in mountainous areas and in places where powerful stray earth current exist.

The four terminal instrument is specially designed for making straight forward and approximate soil investigation of the kind needed in agricultural, geological research and in the planning of large civil engineering projects such as tunnels, Drainage, Sewerage schemes, Tube-Railways etc.

Measuring accuracy of the instrument is not effected by stray alternating or back e.m.f. of earth electrolytic. The instrument can also be used for measuring non-inductive or non-capacitive resistance.

 

Salient Features

  • Silent Generator with Collapsible Handle
  • Centrifugal Clutch (Governor) For Constant Output Voltage
  • Chuck Nut Locking Arrangement to Prevent Anti-Clockwise Rotation
  • Wide and Anti-Parallax Mirror Scale
  • Anti Magnetic Aluminium Body with Protected Metallic Flap Over Glass Window of Scale
  • Accurate, Reliable and Quick Response For Measurement of Resistance of Earth
  • Accuracy CONFIRMS to IS : 923/1979
  • Graceful Appearance, Long Life & Strength Against Vibration & Impact

Technical Details

Scale Length

80mm (Approx)

Accuracy

+-5% (as per IS: 9223/1979)

Generator Rotation Speed

160 rpm

Weight

2.5 kg (Approx)

Dimensions (in mm)

110 x 128 x 190 (Approx)

Electrical Specification

High Voltage Test

2KV AC (rms) for 1 min. between Electrical Circuit & containing case

Insulation Resistance Test

Better than 25 Megohms at 500 V DC between electrical circuit & containing case

Types

Available in three (For measurement of Earth resistance) and four terminals (For measurement of Earth resistance & soil resistivity both)

Ranges

  • Available single range from 0 - 1 ohm to 10000 ohm ( Any one range)
  • Also available in multi ranges provided with range selector switch , to be chosen from 0 - 1 ohm to 10,000 ohm

Any other ranges can also be made against specific requirement

Guarantee

Guaranteed for 12 (twelve) months against any manufacturing defects

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Market Office:

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

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