TESTER No. 301A, 301B and 301C

Simplified pulse echo set for locating open circuit and short circuit faults in the local distribution network.

The Tester No. 301B is a Time Domain Reflectometry type and contains rechargeable batteries.

Drawings - CN9534 (301A).

Specification - LN357 (301B).

Operating handbooks - Tester No. 301A, Tester No. 301B and Tester No. 301C.