| Property | Specification |
|---|---|
| Humidity sensor options | |
| HUMICAP® R2 | Latest generation industrial sensor with improved corrosion resistance |
| HUMICAP® 180V | Humidity sensor with a catalytic surface for processes with H2O2 |
| Measurement range | 0 … 100 %RH |
| Stability | ±0.5 %RH/year in typical HVAC applications |
| Accuracy at 0 … +40 °C (+32 … +104 °F) 1 | |
| 0 … 90 %RH | ±1.5 %RH |
| 90 … 100 %RH | ±2.5 %RH |
| Accuracy at +40 … +80 °C (+104 … +176 °F) and −40 … 0 °C (−40 … +32 °F) 1 2 | |
| 0 … 90 %RH | ±2.5 %RH |
| 90 … 100 %RH | ±3.5 %RH |
| Factory calibration uncertainty | ±1.0 %RH |
| Start-up and response time | |
| Start-up time at +20 °C (+68 °F) | 8 s |
|
Response time (T63) at +20 °C (+68 °F) |
15 s |
| Calculated humidity parameters (default analog output scale) | |
| Dew point | −40 … +80 °C (−40 … +176 °F) |
| Dew point / frost point | −40 … +80 °C (−40 … +176 °F) |
| Absolute humidity | 0 … 300 g/m3 (0 … 131.1 gr/ft3) |
| Wet bulb temperature | −40 … +80 °C (−40 … +176 °F) |
| Enthalpy | −40 … 1600 kJ/kg (−9.5 … 695.6 Btu/lb) |
| Mixing ratio | 0 … 600 g/kg (0 … 4200 gr/lb) |
| Property | Specification |
|---|---|
| Temperature sensor | Pt1000 RTD Class F 0.1 IEC 60751 |
| Measurement range | −40 … +80 °C (−40 … +176 °F) |
| Default analog output scale | −20 … +80 °C (−4 … +176 °F) |
| Accuracy at +20 °C (+68 °F) | ±0.1 °C (0.18 °F) |
| Temperature dependence | ±0.005 °C/°C |
| Factory calibration uncertainty | ±0.1 °C (0.18 °F) |
| Response time (T63) with free convection | 8 min |
| Property | Specification |
|---|---|
| Operating temperature, electronics | −40 … +60 °C (−40 … +140 °F) |
| Operating temperature, probe | −40 … +80 °C (−40 … +176 °F) |
| Storage temperature range | −40 … +80 °C (−40 … +176 °F) |
| Maximum flow speed | 50 m/s with sintered filter |
| Electromagnetic compatibility | EN61326-1, Industrial Environment |
| Property | Specification |
|---|---|
| Power supply input |
10 … 35 VDC (RL = 0 Ω) 20 … 35 VDC (RL = 600 Ω) |
| Analog output |
TMD62: 1 × T output 4 … 20 mA HMD62: 1 × RH output 4 … 20 mA, 1 × T output 4 … 20 mA 3 |
| Service port | M8 4-pin male connector:
|
| Screw terminal wire size | 0.5 … 2.5 mm2 |
| Property | Specification |
|---|---|
| Housing material | Cast aluminum |
| Probe material | Stainless steel |
| IP rating | IP66 (NEMA 4X) |
| Weight | 511 g (18 oz) |
1 Including non-linearity,
hysteresis, and repeatability
2 With HUMICAP® 180V sensor, accuracy is not specified below −20 °C (−4 °F)
operating temperature
3 Calculated output parameters for HMD62 and HMD65 include Td,
Tdf, A, X, Tw, and H.
4 Vaisala Insight software for Windows® available at www.vaisala.com/insight.