VCP HOTT - Outdoor Humidity & Temperature Transmitters

Fine adjustment by the user is also possible.

Suitable for non-aggressive environments like refrigeration, air conditioning, ventilation and clean room technology and can also be used in outdoor installations. For accurate readings outdoors a solar radiation shield should be used. (RSS 100)

Relative humidity (in % RH) is the quotient of water vapour partial pressure divided by the saturation vapour pressure at the respective gas temperature.

Featuring: Long-term stability, Small hysteresis, With or without LCD display

Outputs

Humidity and temperature 
HDTT 420 with 2 x 4-20 mA outputs

As option passive (direct) temperature output such PT100, PT1000, Nickel, NTC 10K, NTC 1.8K,NTC 20K and PTC etc.

Humidity measuring range range

0 to 100% r.H. (output corresponding to 0-10 Vdc or 4-20 mA)

Temperature measuring ranges

4 different measuring temperature ranges selectable by jumpers on pcb -35°C to +35°C, -35°C to +75°C, 0 to 50°C or 0 to +80°C.

Accuracy

- Humidity +/- 3% (20 to 80% r.H.), at +20°C, otherwise+/- 5% 
- Temperature +/- 0.8 Kelvin at +20°C.