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Circuit breaker tester - TDR9100
The TDR9100 from Doble is a circuit breaker test system for efficient performance measurements with the combined adaptability to double or triple the comfortable channels. This device is capable of verifying the control circuit and checking the motion of the moving parts. The product features main contact timing of up to 4 breaks per phase and measures pre-insertion of resistors and shunt capacitors. The accuracy of a laboratory instrument designed for durability in the field.