Description
The Tramex Feedback DataLogger DL-RHTX is a wireless humidity and temperature sensor. The Feedback DataLogger and the Tramex Meters 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 a mobile device. On the app the user can visualise live readings, thermal conditions and psychrometric charts, as well as create and export spreadsheets, charts and reports. The Feedback DataLogger requires the Tramex Meters App and a compatible iOS or Android mobile device.
In addition to the ambient logging of the DL-RHTA, the DL-RHTX features a connection for an external RH probe. Using the optional plug-in Hygro-i2 RH probes, the DL-RHTX will measure equilibrium relative humidity, temperature, dew point and humidity ratio in structural materials. A structural material such as a concrete slab can be tested using the in-situ method or RH hood methods (international standards: ASTM F2170 and BS 8201, 8203, 5325). Relative humidity probes can also be used for ambient RH measurements within air spaces.
Features
- Bluetooth BLE enabled for use with mobile devices
- Up to 100,000 data point entries, with instant set up and start modes
- Precise ambient relative humidity and temperature logging
- Used to perform BS 8201, 8203, 5325 and ASTM F2170 testing
- Intuitive and instructive app interface
- Adjustable interactive chart, spreadsheet, report and easy export functions
- Connectivity up to 165 ft (50m) for highly accessible data downloads
- Built-in ambient RH and temperature sensor; optional plug-in contact temperature probe; optional plug-in relative humidity probes or Hygro-i2 RH probes for measuring equilibrium relative humidity, temperature, dew point and humidity ratio in structural materials
Supported Measurements
- Ambient relative humidity, temperature, dew point and 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 and contact delta temperature (with the optional Contact Temperature Probe, CTP)
- Equilibrium relative humidity in structural materials such as concrete slabs (with optional Hygro-i2 RH probes), via in-situ or RH hood methods
Applications
- In-situ relative humidity testing of concrete slabs per ASTM F2170 and BS 8201, 8203, 5325
- Testing, monitoring and time logging of relative humidity, temperature and dew point in the environment
- Monitoring ambient and in-material conditions during flooring, coating and drying projects
- Documenting conditions with charts, spreadsheets and reports via the Tramex Meters App
Specifications
| Specification | Detail |
|---|---|
| Size | 3.94″ x 3.54″ x 1.38″ (100mm x 90mm x 35mm) |
| Weight | 3.53 oz (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; surface temperature) |
| Logging rate | Logger interval adjustable between 10 minutes and 1 hour |
| Transmission range | Up to 165 ft (50m) line of sight |
| Bluetooth | BLE Bluetooth Low Energy 4.2 compliant |
| Included | Wall mounting and tripod stand |
Humidity Specifications
| Item | Detail |
|---|---|
| Range | 0 to 100% RH |
| Accuracy | ±1.5% RH from 0% to 80% RH; ±2.0% RH from 80% to 99% RH (at 77°F / 25°C) |
| Resolution | 0.1% over the complete range |
| Drift | Less than 0.25% RH per year |
Temperature Specifications
| Item | Detail |
|---|---|
| Range | -4°F to 158°F (-20°C to 70°C) |
| Accuracy | ±0.1°F over range -4°F to 158°F (±0.1°C over range -20°C to 70°C) |
| Sensor protection | PTFE film protects sensor opening from water and dust; drift less than 0.04°F (0.03°C) per year |
Contact Temperature Probe (Optional)
| Item | Detail |
|---|---|
| Units | °F (°C) |
| Temperature range | -20°F to +175°F (-30°C to +80°C) |
| Accuracy | ±0.9°F from 14°F to 185°F (±0.5°C from -10°C to +85°C) |
| Resolution | 0.1% over the complete range |
Battery
| Item | Detail |
|---|---|
| Power supply | 1 x AA type battery, 1.5 Volt |
| Battery life | Over 1 year based on logging intervals of 5 minutes, using an alkaline battery with a nominal voltage of 1.5V as supplied |
What Is Included
- DL-RHTX Feedback Datalogger
- Wall mounting and tripod stand
- 1 x AA 1.5V battery
Standards Referenced
- ASTM F2170 (in-situ relative humidity testing of concrete, with optional Hygro-i2 probes)
- BS 8201, BS 8203, BS 5325 (with optional Hygro-i2 probes)
Included in Kits
The DL-RHTX is included in the WDIK Water Damage Restoration Inspector Kit, WDMK Water Damage Restoration Master Kit, FTK Flooring Installer Tech Kit, FMK Flooring Master Kit, FBSK Feedback Datalogger Starter Kit and FBZK Feedback Datalogger EZ Kit.
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