Circuit breaker test set
TDR900 Doble Lemke

The TDR900 Circuit Breaker Test System is a precision instrument for testing all types of circuit breakers. It detects main contact and resistor switch timing errors for up to four breaks per phase with motion measurements, at a resolution of 100 μs.

The TDR900 controls circuit breaker trip and close commands, allowing you to perform the following operations:

* Trip (O)
* Close (C)
* Reclose (O-0.3s-C)
* Tripfree (CO)
* O-CO
* O-0.3s-CO
* First Trip (O)
* Slow Close (C)
* Self-diagnostics

Applications

* Testing up to 4-breaks-per-phase with motion measurements on any circuit breaker

User Benefits

* Rugged and reliable - the TDR900 is a single box solution, providing the accuracy of a laboratory instrument with durability for field use.
* Complete Test Reports - provided in MS Excel™ format.
* User-friendly PC interface - the new T-Doble Software with its intuitive control panel provides quick, efficient and simple testing of circuit breakers.
* High Accuracy Motion Recording - a patented digital rotary and linear transducer provide early diagnosis of mechanical problems.
* Detects main contact and resistor switch timing errors.
* Other analog transducers supported.
* Immune to Interference - accuracy of test results is unaffected by the severe conditions of electrostatic and electromagnetic interference, normally present in harsh substation environments.
* Controlled by user supplied PC.