testo 6621-Humidity transmitter
testo 6621-Humidity transmitter
Description
- Duct version with
display
- Wall version with
display
- Highly accurate testo humidity sensor with long-term
stability (±2.0% RH)
- Optional 2-line LCD display
- P2A software for parameterization, adjustment and analysis,
saves time and costs in commissioning and maintenance
- Optimum calibration concept thanks to adjustment of the
entire signal chain (1-point, 2-point and analog adjustment)
- Adjustment without dismantling the transmitter
- 2 analog outputs (humidity/temperature), option of 1
passive humidity and temperature analog output