DT722 Humidity & Temperature Transmitter
Stainless steel humidity and temperature transmitter for harsh environments, up to 150 °C.

Portable humidity and temperature probe calibrator for on-site or in-lab calibration.
The Rotronic HygroGen2 set the standard for portable humidity and temperature probe calibration, generating stable, precise conditions to rapidly calibrate humidity instruments from any manufacturer. Available as the standard HG2-S and the higher-capacity HG2-XL, it is widely used throughout the pharmaceutical industry and in ISO 17025 calibration laboratories.
A sealed chamber generates a stable, precisely controlled humidity and temperature environment in which one or more probes under test are placed and compared against the reference. User-programmable calibration sequences of up to 200 steps can be run manually or automatically (with optional AutoCal), with results logged via Rotronic HW4 software.
| Humidity Range | 2 – 99% RH |
|---|---|
| Temperature Range | −5 to +60 °C |
| Humidity Stability | < ± 0.1% RH |
| Temperature Stability | < ± 0.01 °C |
| Set-Point Change Time | < 5 minutes |
| Sequence Steps | User-programmable, up to 200 steps |
|---|---|
| Automation | Optional AutoCal automatic calibration |
| Compliance | FDA 21 CFR Part 11 compliant (Rotronic HW4 software) |
| HG2-S | Standard chamber capacity |
|---|---|
| HG2-XL | 10× chamber capacity of HG2-S, same stability and performance |
All Tetracon-supplied instruments carry the original manufacturer warranty (typically 12–24 months) plus first-line local support from our Islamabad service centre.
Yes. Our manufacturer-trained engineers offer on-site installation, commissioning and startup training anywhere in Pakistan.
Common spares are held in local stock. Calibration is available at our lab or on-site with NIST-traceable reference standards.
Stocked items ship within 3–5 working days; engineered configurations typically 6–10 weeks depending on manufacturer schedule.
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