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Tramex DL-RHTA Feedback Datalogger, Temperature and Relative Humidity, Bluetooth (DL-RHTA)

List price: $320.00
You save: $81.00 (25%)

Tramex DL-RHTA Feedback Data Logger, Temperature and Relative Humidity. The Tramex Feedback DataLogger and App have been designed and developed by Tramex for professionals who depend on accurate, reliable readings using the very best, state of the art technology. The Feedback DataLogger and App log up to 100,000 data point entries for relative humidity, temperature, dew point and grains per pound, transmitted wirelessly via Bluetooth BLE technology to your mobile device. On the App you can visualise Live Readings, Thermal Conditions and Psychrometric Charts as well as creating and exporting spreadsheets, charts and reports. The Tramex Feedback DataLogger requires the Tramex Feedback Data Logger App and a compatible iOS or Android mobile device.


  • Bluetooth BLE enabled for use with mobile devices
  • Up to 100,000 data point entries
  • Instant set up and start modes
  • Precise ambient relative humidity and temperature logging
  • Intuitive and instructive App interface
  • Adjustable interactive chart, spreadsheet, report and easy-export functions
  • Connectivity up to 165ft (50 meters) for highly accessible data downloads
  • Built in ambient RH & Temperature sensor
  • Optional plug-in contact temperature probe with accurancy tolerance of 1.5% RH and 0.1ºF


  • Construction:  ABS enclosure
  • Power: 1 x AA type battery 1.5 Volt
  • Battery Life:  Over 1 year based on logging intervals of 5mins, using an alkaline battery with a nominal voltage of 1.5V as supplied
  • Memory:  100,000 data point entries (samples of Ambient RH and temperature; Surface Temperature)
  • Logging Rate:  Logger interval adjustable between 5 minutes and 1 hour
  • Transmission Range:  Up to 165ft (50m) line-of-sight
  • Bluetooth:  BLE Bluetooth Low Energy 4.2 compliant, Bluetooth 5 advertising
  • Included: Wall Mounting and Tripod Stand
  • Relative humidity sensor specifications
    • Range: 0 to 100%RH
    • Accuracy: ±1.5%RH Range 0% to 80%RH, ±2.0%RH Range 80% to 99%RH (@ 77ºF (25ºC))
    • Resolution: 0.1% over the complete range
    • Drift: <0.25%RH per year
  • Temperature sensor specifications
    • Range: -40ºF to 257ºF (-40ºC to 125ºC)
    • Accuracy: ±0.1ºF Range 68ºF to 140ºF (±0.1 °C Range 20°C to 60°C)
    • Sensor Protection: PTFE Film protects sensor opening from water & dust
    • Drift: <0.04ºF (0.03ºC) per year
  • Contact temperature probe
    • Units: ºF (ºC)
    • Temperature Range: -20°F to +175°F (-30°C to +80°C)
    • Accuracy: ±0.9ºF from 14ºF to 185ºF (±0.5°C from -10°C to +85°C)
    • Resolution: 0.1% over the complete range
  • Size: 3.94” x 3.54” x 1.38” (100mm x 90mm x35mm)
  • Weight: 3.53oz (100g)
  • Product Number:  DL-RHTA

What's in the box?

  • 1 x DL-RHTA DataLogger
  • 1 x Tripod Stand
  • 1 x Hard Shell case
  • Quick Guide


  • All Tramex products carry a full satisfaction guarantee including a one year warranty against defects in parts & workmanship and a refund if the unit is returned, shipping pre-paid, in new condition within 21 days of original delivery. Proof of purchase is necessary.

Dim Height:
3.5 inches
Dim Length:
3.9 inches
Dim Width:
1.9 inches

Product Data Sheet (DL-RHTA_Tramex_Datalogger_PDS.pdf, 668 Kb) [Download]

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