Dwyer Instruments: Model 657C-1, Relative Humidity/Temperature Transmitter
Dual Channel Design for Simultaneous 4-20 mA Output Signals – Conduit Housing
The SERIES 657 Transmitters provide two 4 to 20 mA channels to produce separate output signals for both relative humidity and temperature. These devices deliver ±2% accuracy for humidity and ±1°F for temperature measurements. Stainless steel probe can be easily mounted to most ductwork using either of the two optional kits below.
SERIES 657 Applications
- Cleanroom monitoring
- HVAC/building control monitoring