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Time-Of-Use (TOU) Contact Logger

Time-Of-Use (TOU) Contact Logger



Dent Instruments SMARTlogger™ Monitors External Switches and Relays



  • Measures On Off Status and Total Time of External Relays and Switches
  • In the Field Set-up with no PC Required
  • Stores up to 32,000 Readings onto Non-Volatile Memory
  • Battery Powered with 5 Year User-Replaceable Battery
  • 1 Hz (1 Samples per Second) Sampling Rate
  • 5-Digit LCD Display Showing On-Time and Percent-On
  • Includes Magnet, Battery and User Manual




Display 5 Digit LCD showing Logger Sensing, Total On-Time and Percent On Since Reset
Time Stamp Month, Day, Year, Hour, Minute, Second
Sampling Rate 1 per Second (1 Hz)
Sensitivity Dry Contact, Un-Energized Switch or Open Collector Transistor
Data Analysis Statistics (Min, Max and Average), Summaries, Graphs and Data Export using SMARTware™
Data Storage Capacity 32,000 Readings/Samples
Ring Memory Plus Separate On-Time Totalizer
Time Resolution 1 Second
Operating Environment Temperature: 0°C to 60°C (32°F to 140°F)
Humidity: 5% to 95% RH, non-condensing
Communication USB with SMARTlogger™ Communications Cable
Internal Clock Real-time, Crystal controlled, true calendar, 20 ppm accuracy (
Power Battery (User-Replaceable)
Battery Life 5 Years
Mounting Hook & Loop Strip or Mounting Hole
Software Compatibility Windows 8, 7 (32 or 64 Bit), Vista (32 or 64 Bit) and XP
Dimensions 64mm x 38mm x 19mm (2.5" x 1.5" x 0.75")
Weight 40 grams (2.0 oz)