Tramex DL-RHTA Feedback DataLogger

Price: $ 190.00

Tramex DL-RHTA Feedback DataLogger
Up to 100,000 data point entries. Instant set up and start modes
Precise Ambient Relative Humidity and Temperature logging

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
  • 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, Dew Point
    • Contact Temperature, Estimated contact RH, Ambient Dew Point, Contact Delta Temperature (with optional contact Temperature Probe)


With built-in Ambient RH + Temperature sensor; Plug-in Contact Temp Probe (optional) providing the best available accuracy tolerances of 1.5%RH & 0.1F.

Size3.94 x 3.54 x 1.38 (100mm x 90mm x35mm)
Weight3.53oz (100g)
Construction ABS enclosure Power1 x AA type battery 1.5 Volt
Memory100,000 data point entries (samples of Ambient RH and temperature; SurfaceTemperature)
Logging RateLogger interval adjustable between 5 minutes and 1 hour
Transmission RangeUp to 165ft (50m) line-of-sight Bluetooth: BLE Bluetooth Low Energy 4.2 compliant, Bluetooth 5 advertising Included: Wall Mounting and Tripod Stand

Humidity specifications:

Range0 to 100%RH
Accuracy1.5%RH Range 0% to 80%RH 2.0%RH Range 80% to 99%RH (@ 77F (25C))
Resolution0.1% over the complete range
Drift<0.25%RH per year

Temperature specifications:

Range-40F to 257F (-40C to 125C)
Accuracy0.1F Range 68F to 140F (0.1 C Range 20C to 60C)
Sensor ProtectionPTFE Film protects sensor opening from water & dust Drift: <0.04F (0.03C) per year

Contact temperature probe (optional):

UnitsF (C)
Temperature Range-20F to +175F (-30C to +80C)
Accuracy0.9F from 14F to 185F (0.5C from -10C to +85C)
Resolution0.1% over the complete range


Power supply1 x AA type battery 1.5 Volt
Battery lifeOver 1 year based on logging intervals of 5mins, using an alkaline battery with a nominal voltage of 1.5V as supplied


Tramex DL-RHTA Feedback DataLogger - Data Sheet
Tramex DL-RHTA Feedback DataLogger - Quick Start Guide

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Product Price
Tramex DL-RHTA Feedback DataLogger $190.00
Accessories Price
Tramex ALLPOUCH-DL-A Single Meter Case for FeedBack DataLoggers (hard sided zipper case holds 1 x DL-RHTA or DL-RHTX) $20.00



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