Technical data

Measurement performance

Relative humidity

Measurement range

0 … 100 %RH

Accuracy at +23 °C (+73.4 °F) 1)

±0.8 %RH (0 … 90 %RH)

Factory calibration uncertainty 2)

±0.5 %RH (0 … 40 %RH)

±0.8 %RH (40 … 95 %RH)

T63 response time

15 s

Sensor options

HUMICAPâ R2

HUMICAPâ R2C 3)

Temperature

Measurement range

−70 … +180 °C (−94 … +356 °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)

Sensor

Pt100 RTD Class F0.1 IEC 60751

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) Sensor purge feature available with this sensor.

0.0

0.5

1.0

1.5

2.0

2.5

3.0

Temperature [°C]

3.5

4.0

90

...

100

%RH

0 ... 90 %RH

HMP5 humidity measurement accuracy as a function of

temperature

0

0.1

0.2

0.3

0.4

Temperature [°C]

0.5

HMP5 temperature measurement accuracy over full

range

Operating environment

Operating temperature of probe body

−40 … +80 °C (−40 … +176 °F)

Operating temperature of probe head

−70 … +180 °C (−94 … +356 °F)

Operating environment

Suitable for outdoor use

IP rating of probe body

IP66

Inputs and outputs

Operating voltage

15 … 30 V DC

Current consumption

10 mA typical, 500 mA max.

Digital output

RS-485, non-isolated

Protocols

Modbus RTU

Output parameters

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)

Compliance

EU directives and regulations

EMC Directive (2014/30/EU)

RoHS Directive (2011/65/EU)

amended by 2015/863

EMC compatibility

EN 61326‑1, industrial environment

Type approvals

DNV GL certificate no. TAA00002YT

Compliance marks

CE, China RoHS, RCM

Mechanical specifications

Connector

M12 5-pin A-coded male

Weight

436 g (15.37 oz)

Probe cable length

2 m (6.56 ft) or 10 m (32.8 ft)

Materials

Probe

AISI 316L

Probe body

AISI 316L

Cable jacket

FEP

Accessories

Mounting flange

210696

Indigo USB adapter 1)

USB2

1)

Vaisala Insight software for Windows available at www.vaisala.com/insight.