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 Standard Resistance Box SRB-1 for testing of KELVIN

Standard Resistance Box : Model No. SRB-1  Accuracy 0.5 %

 

Used as reference standard

To be used with Kelvin Double bridge or Digital Micro-ohm Meter

Range 1 milli-Ohm to 1K Ohms, 7 different values,

 

7 different values of 1 mW, 10mW, 100mW , 1 , 10, 100 & 1KW 

Current ratings are for 1mW ( 20A),  10mW ( 10 A), 100 mW ( 0.1 A),

1W  ( 50 mA),  10 W  ( 10 mA ), 100 W ( 5 mA ) & 1 KW ( 1mA)

Power  Rating ( VI ) of all Resistors is approx. 0.5 Watts.