Testo 6621 RH & Temperature Transmitter
2 channel sensor, accurate, dependable RH sensor technology (± 2.5% RH), functional, attractive housing blends into any environment.
Overview
Features
- 2 channels (humidity and temperature)
- Wall and duct mount versions
- Measuring range:
- RH; 0 to 100%
- Temp (wall); 32 to 140°F( 0 to 60°C)
- Temp (duct); -4 to 158°F (-20 to 70°C)
- Accuracy:
- ±2.0 %RH (0 to 90 %RH)
- ±4 %RH (90 to 100 %RH)
- ±0,5 °C / 0,9 °F temp
- Output:
- 4 to 20 mA (2-wire)
- 0 to 1/5/10 V (4-wire)
- Measuring rate of 1 per second
Description
The Testo 6621 Humidity Transmitter is a highly accurate sensor with long-term stability (±2.0% RH). The 6621 has attractive housing that blends into any environment. Duct mount or wall mount version are available. The 6621 is provided with a display and an external probe as options. The sensors and the analog outputs can be adjusted, analyzed and parameterized via the external interface using the P2A software. The 6621 is a high-performance transmitter for a low price. It meets the increasing requirements in automated building services in terms of accuracy, reliability and safety and thereby saves energy costs.
Documents
Accessories
Calibration
Power Supplies
Software
Accessories
Please consider these optional accessories.
Need Help? Call a Temperature engineer at 1-800-884-4967
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