| Property | Description/Value |
|---|---|
| Relative humidity | |
| Measurement range | 0 … 100 %RH |
| Typical accuracy: | |
| at 0 … +40 °C (+32 … +140 °F) |
±3 %RH (0 … 90 %RH) ±5 %RH (90 … 100 %RH) |
| at −40 … 0 °C and +40 … +60 °C (−40 … +32 °F and +104 … +140 °F) |
±5 %RH (0 … 90 %RH) ±7 %RH (90 … 100 %RH) |
| Humidity sensor | Vaisala INTERCAP® |
| Temperature | |
| Measurement range | −40 … +60 °C (−40 … +140 °F) |
| Accuracy: | |
|
at +10 … +30 °C (+50 … +86 °F) at −40 … +10 and +30 … +60 °C (−40 … +50 and +86 … +140 °F) |
±0.5 °C (±0.9 °F) ±0.6 °C (±1.08 °F) |
| Dew point temperature | |
| Measurement range | −40 … +60 °C (−40 … +140 °F) |
| Typical accuracy: | |
| at 0 … +40 °C (+32 … +140 °F) when dew point depression1 < 15 °C | ±2 °C (±3.6 °F) |
|
at −40 … 0 °C and +40 … +60 °C (−40 … +32 °F and +104 … +140 °F) when dew point depression < 10 °C 1 |
±3 °C (±5.4 °F) |
| Analog outputs | |
| Accuracy at 20 °C (+68 °F) | ±0.2 % of FS |
| Temperature dependence | ±0.01 % of FS/°C (±0.006 % of FS/°F) |
| Measurement ranges | |
| Dew point temperature | −40 … +60 °C (−40 … +140 °F) |
| Wet bulb temperature | −40 … +60°C (−40 … +140°F) |
| Absolute humidity | 0 … 130 g/m3 (0 … 57 gr/ft3) |
| Mixing ratio | 0 … 153 g/kg (0 … 1069 gr/lb) |
| Enthalpy | −40 … 459 kJ/kg (−9.6 … 207 BTU/lb) |
| Property | Description/Value |
|---|---|
| Operating temperature | −40 … +60 °C (−40 … +140 °F) |
| IP rating 2 |
IP54: Limited protection against dust. Protected from water splashes from any direction. |
| Property | Description/Value |
|---|---|
| Power consumption | 1 mA average, max. peak 5 mA |
| Operating voltage3 | |
| With 1 V / 2.5 V output | 5 … 28 V DC |
| With 5 V output | 8 … 28 V DC |
| With loop-power converter | 8 … 28 V DC |
| With digital output | 5 … 28 V DC |
| Start-up time | |
| Probes with analog output |
4 s at operating voltage 13.5 … 16.5 V DC 2 s at other valid operating voltages |
| Probes with digital output | 1 s |
| Outputs | |
| 2 channels | 0 … 1 V DC / 0 … 2.5 V DC / 0 … 5 V DC / 1 … 5 V DC |
| 1-channel loop-power converter (separate module, compatible with humidity accuracy only) | 4 … 20 mA |
| Digital output (optional) | RS-485 2-wire half duplex, supports Modbus RTU |
| External loads | |
| 0 … 1 V | RL min. 10 kΩ |
| 0 … 2.5 V /0 … 5 V | RL min. 50 kΩ |
| Output parameters | |
| Relative humidity, temperature, dew point temperature, wet bulb temperature, absolute humidity, mixing ratio, enthalpy | |
| Property | Description/Value |
|---|---|
| Cable connector | 4-pin M8 (IEC 60947-5-2) |
| Materials | |
| Body | PC/ABS blend |
| Grid filter | PC (glass reinforced) |
| Cable | Polyurethane or FEP |
| Weight | |
| Probe | 9 g (0.3 oz) |
| Probe with 0.3 m (1 ft) cable | 20 g (0.7 oz) |
1 Dew point depression = ambient temperature − dew point
2 Not applicable with the plastic grid
filter.
3 Use lowest available operating voltage to minimize
heating.