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Tramex Feedback DataLogger

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Product Highlights

The Tramex Feedback DataLogger and App have been designed and developed for professionals who depend on accurate, reliable readings using the very best, state of the art technology.
  • Bluetooth BLE enabled
  • Up to 100,000 data point entries
  • Percise ambient relative humidity and temperature logging
  • Connectivity up to 156 feet
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Product Description

Developed for professionals who depend on accurate, reliable readings, the Tramex Feedback DataLogger and app use the most state of the art technology to provide the results you need to get the job done right.


The Feedback DataLogger and app will log up to 100,000 entries for relative humidity, dew point, temperature, and grains per pound, and wirelessly transmitting them via Bluetooth to your mobile device. On the app, you can visualize live readings, thermal conditions, and psychorometric charts as well as create and export spreadsheets, charts, and reports.


The DataLogger and app are compatible with iOS and Android mobile devices.



  • 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 165 feet (50 meters) for highly accessible data downloads.
  • With built-in Ambient RH + Temperature sensor; Plug-in Contact Temp Probe (optional) providing the best available accuracy tolerances of 1.5%RH & 0.1ºF.


  • Size: 3.94” x 3.54” x 1.38” (100mm x 90mm x35mm)
  • Weight: 3.53oz (100g)
  • Construction: ABS enclosure Power: 1 x AA type battery 1.5 Volt
  • Memory: 100,000 data point entries (samples of Ambient RH and temperature; SurfaceTemperature)
  • 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


Supported measurements:

  • Ambient relative humidity, temperature, dew point, grains per pound.
  • Psychrometric chart showing relative humidity, specific volume, wet bulb temperature, dry bulb temperature, enthalpy, humidity ratio, and dew point.
  • Contact temperature, estimated contact RH, ambient dew point, contact delta temperature (with optional contact temperature probe)


Humidity 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 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 (optional): 

  • 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



  • Power supply: 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.


Technical Specifications

Brand Tramex
Thermo-Hygrometer RH Accuracy +/- 1.5% to +/- 2%
Thermo-Hygrometer Temp Accuracy ± 0.1°F
Thermo-Hygrometer Temp Range -40°F to 257°F
Thermo-Hygrometer Calculations Dew Point, GPP, Rh, Temp
Thermo-Hygrometer Temp Accuracy ± 0.1°F
Thermo-Hygrometer RH Range 0 to 100%
Category Data Loggers
Condition new

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