| Property | Description/Value |
|---|---|
| Relative humidity | |
| Measurement range | 0–100 %RH, at max. +95 °C (203 °F) Td |
| Accuracy at +23 °C (+73.4 °F) 1 | ±0.8 %RH (0–90 %RH) |
| Factory calibration uncertainty 2 |
±0.7 %RH (0–40 %RH) ±1 %RH (40–95 %RH) |
| Non-linearity | 0.4 %RH |
| T63 response time 3 | 15 s |
| Sensor | HUMICAP® I |
| Temperature | |
| Measurement range | −40 … +120 °C (−40 … +248 °F) |
| Accuracy at +23 °C (+73.4 °F) 1 | ±0.1 °C (±0.18 °F) |
| Factory calibration uncertainty 2 | ±0.1 °C (±0.18 °F) at +23 °C (+73.4 °F) |
| T63 response time 3 |
70 s |
| Property | Description/Value |
|---|---|
| Operating temperature of probe body | −40 … +60 °C (−40 … +140 °F) |
| Operating temperature of probe head | −40 … +120 °C (−40 … +248 °F) |
| Operating humidity of probe head | Max. +100 °C (212 °F) Td |
| Storage temperature | −40 … +60 °C (−40 … +140 °F) |
| Operating environment | Suitable for outdoor use when protected from rain |
| Measurement environment |
For air, nitrogen, hydrogen, argon, helium, and oxygen 4 |
| IP rating of probe body |
IP65: Dust-tight. Protected from water jets from any direction. |
| Property | Description/Value |
|---|---|
| Operating voltage |
15–30 V DC |
| Current consumption | 5 mA typical, 400 mA max. |
| Digital output | RS-485, non-isolated |
| Default serial settings | 19200 bps N 8 2 |
| Protocol | Modbus RTU |
| Output parameter name and unit | |
|---|---|
| Absolute humidity (g/m3) | Relative humidity (%RH) |
| Absolute humidity at NTP (g/m3) | Relative humidity (dew/frost) (%RH) |
| Dew point temperature (°C) | Temperature (°C) |
| Dew/frost point temperature (°C) | Water concentration (ppmv) |
| Dew/frost point temperature at 1 atm (°C) | Water concentration (wet basis) (vol‑%) |
| Dew point temperature at 1 atm (°C) | Water mass fraction (ppmw) |
| Dew point temperature difference (°C) | Water vapor pressure (hPa) |
| Enthalpy (kJ/kg) | Water vapor saturation pressure (hPa) |
| Mixing ratio (g/kg) | Wet-bulb temperature (°C) |
| Property | Value/Description |
|---|---|
|
EU directives and regulations |
EMC Directive (2014/30/EU) RoHS Directive (2011/65/EU) amended by 2015/863 |
|
Electromagnetic compatibility (EMC) |
EN 61326‑1, industrial environment |
|
Compliance marks |
CE, China RoHS, RCM |
| Property | Description/Value |
|---|---|
| Connector | M12 5-pin A-coded male |
| Weight (with a 2-m cable) | 68 g (2.40 oz) |
| Probe cable length | 2 m (6.56 ft) |
| Materials | |
| Probe | AISI 316L |
| Probe body | PBT |
| Cable overmolds | FEP |
1 Defined against calibration
reference. Including non-linearity, hysteresis, and repeatability.
2 Defined as ±2
standard deviation limits. Small variations possible; see calibration
certificate.
3 In still air.
4
Consult Vaisala if other chemicals are present. Consider safety regulations with flammable gases.