HMP155 replaces HMP45:
- HMP155A replaces HMP45A
- HMP155D replaces HMP45D
HMP155 offers the followings features not included in HMP45:
- HUMICAP180R and HUMICAPR2 humidity sensors that tolerate chemicals and improve stability
- Alternative humidity variables (dew point/frostpoint temperature, wet bulb temperature, mixing ratio)
- Several voltage output signal ranges: 0 ...1 V, 0 … 5 V, 0 … 10 V
- Fully digital RS-485 output (temporary service connection available for all models)
- Warmed probe option, humidity sensor chemical purge option, extra sensor heating option
- Additional temperature sensor for fast temperature response
- Exchangeable probe cable with a variety of cable options
- Stevenson screen installation adapter