SR. 

NO.

DESCRIPTION

QUANTITY

6.0  

 Frequency Generator :

 This set is used as a highly stabilized variable frequency and voltage source for testing frequency
 relays. A facility for testing rate of change of frequency feature is also available.

 2 Nos.

7.0  

 This set is specifically designed for testing of saturation characteristics of CTs having high-knee
 point voltage.

 The rating of set is,

   7.1   0-500V, 5A.

    7.2   0-2000V, 1A.

 1 No.

8.0  

 This set is utilised for testing dielectric strength of insulating oil. 

 The rating of the set is 0-60 kV and set is motorised.

 1 No.

9.0  

 This set is used for checking turns ratio of power transformer, voltage transformer etc. 
 The range of turns ratio is from 1-111.11. 

 1 No.

10.0  

 This unit is designed on the principle of Kelvin's bridge method.
 This unit has high accuracy of 0.1% and is used for measuring winding resistance of Current 
 Transformer, circuit breaker power contact resistance, etc.

 3 Nos.

11.0  

 This unit is specifically designed for measurement of winding resistance of EHV/HV/LV 
 Transformer, rotating machines etc specifically after heat run test. It is also used for measuring winding
 resistance of inductive load of Alternator, Transformer, H.T. Motor etc. 

12.0  

 This is a digital display time interval meter with accuracy of 0.1% and measurement from 1 m.sec. to
 999.9 sec.

 4 Nos.

13.0  

 High accuracy Digital micro processor based instrument for measurement of circuit breaker closing and 

 tripping time simultaneously for all the three poles. This unit has digital display with accuracy of 0.1% 

 and measurement from 1 msec. to 999.9 sec. A useful instrument for checking circuit breaker pole

 discrepancy and faulty operating mechanism.

 2 Nos.