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Vanguard DIGITMR Circuit Breaker Timer / Analyzer





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The Vanguard DIGITMR Circuit Breaker Timer / Analyzer is a microprocessor-based, time-versus-travel, circuit breaker analyzer. In Quick-Shot Mode (optional), the DigiTMR has the capability of online testing and can capture the breaker’s trip or close time, the trip/close-coil current “fingerprint,” and the battery supply voltage while the breaker is still in service.


Vanguard DIGITMR Circuit Breaker Timer / Analyzer features:

  • Circuit breaker timer and travel analyzer
  • Contact input channel detects main and insertion-resistor contact times in milliseconds and cycles • Initiates breaker operation
  • Trip/close coil current monitoring capabilities
  • Monitors three breaker poles simultaneously
  • Slow-Close test feature accurately measures contact travel during maintenance
  • Capture results in tabular or graphic format immediately with onboard printer
  • Computer interface allows for data collection and operational control
  • Store up to 150 test records and 99 test plans on the unit
  • Simplified connections with one main contact assembly
  • Single transducer input