Rotronic DT722 Humidity & Temperature Transmitter
Rotronic DT722 Stainless Steel Humidity & Temperature Transmitter
Industrial stainless-steel humidity and temperature transmitter with 4–20 mA outputs, ±2% RH accuracy, and probe temperature capability up to 150°C.
The Rotronic DT722 is a rugged stainless-steel humidity and temperature transmitter designed for harsh industrial environments. It provides 4–20 mA outputs, fast response, and long-term stability and withstands temperatures up to 150°C, making it ideal for HVAC, food, pharma, and process applications.
Key Features
Measures RH, Temperature, and Dew Point
Stainless-steel housing (Ø19 mm probe)
Works up to 150°C probe temperature
Accuracy at 25°C:
Humidity: <±2% RH
Temperature: ±0.2°C typical
Fast RH response: <10 sec
Long-term stability: ±1% RH/year
4–20 mA outputs for RH and Temperature
Wide supply range: 8–32 VDC
IP65 protection (NEMA 4)
Technical Specifications
| Parameter | Value |
|---|---|
| RH Range | 0–100% RH |
| Temperature Range | –40…150°C (probe) |
| RH Accuracy | <±2% RH |
| Temp Accuracy | ±0.2°C typical |
| Outputs | RH 4–20 mA, T 4–20 mA |
| Supply Voltage | 8–32 VDC |
| Housing | Stainless Steel |
| IP Rating | IP65 |
| Cable Connector | 5-pin M12 |
| Probe Lengths | 200 / 300 / 500 / 900 mm |
Applications
HVAC monitoring
Industrial drying processes
Food and beverage production
Pharmaceutical manufacturing
Printing & paper industry
What’s in the Box
DT722 stainless-steel transmitter
Selected probe length
Protection cap/filter (model-dependent)
Cable connector (optional based on order code)
FAQ
Q: Does the DT722 support dew point output?
Yes—dew point calculation is built into the transmitter.
Q: Are Rotronic HC2A probes compatible?
No—DT722 uses its own probe platform.
Q: What output signals are available?
Two channels: RH 4–20 mA and Temp 4–20 mA.
Q: What cable connector should I use?
A000031 (2 m cable) or A000032 (5 m cable).