General

Device type

Humidity & temperature transmitter with analog output signals

Circuit type

Two-wire current loop 4 ... 20 mA

Mounting types

D (duct) and W (wall)

Power Supply and Connections

Supply voltage (VDD)

10 ... 28 VDC
V min = 10 V + (0.02 A x load*)  

*Load resistance in ohm.

Rated current consumption

2 x 20 mA

Electrical connections

Connections: Ex-e terminals(0.2…2.5 mm2)

Cable gland: 16 x 1.5 (Ø cable 4.5…7 mm)

Polarity protection

Protective diode on V+

Calculated Parameters

Psychrometric Parameters

Dew point (Dp) above and below freezing point

Frost point (Fp) below freezing point and dew point above freezing point

Wet bulb temperature (Tw)

Enthalpy (H)

Vapor concentration (Dv)

Specific humidity (Q)

Mixing ratio by weight (R)

Vapor concentration at saturation (Dvs)

Vapor partial pressure (E)

Vapor saturation pressure (Ew)

Startup Time and Data Refresh Rate

Startup time

<60 s

Data refresh rate

20 s - 240 s, adjustable with the HygroSoft

Configurable Analog Outputs

Output 1

Can be assigned to every parameter

Default parameter

Relative humidity or calculated parameter

Default range

Per order code

Output 2

Can be assigned to every parameter

Default parameter

Temperature or calculated parameter

Default range

Per order code

Output 1 and output 2

Signal type

4…20 mA (current loop)

User-configurable range limits

-999.99 ... +9999.99 units

Short circuit tolerant

Yes

Max. load resistance

500 Ω

Min. load resistance

0 Ω

Service Connector

Interface type

UART

Max. length of service cable

5 m (16.4 ft)

General Specifications

Optional display

LC, resolution 1 or 2 decimals, no backlight, trend and alarm indicators

Probe material

Stainless steel (1.4301)

Probe dust filter material

Sintered steel filter (1.4401)

Housing material

Aluminum

Housing protection grade

IP 66

Dimensions

See Models

Weight

800 g

Conformity with Standards

CE / EMC immunity

EMC-Directive 2014/30/EU, ATEX-Directive 2014/34/EU

Solder type

Lead free (RoHS-Directive 2015/863/EU)

FDA / GAMP directives

Compatible (depending on the software)

Environmental Limits

Storage and transit

-50 ... +70 °C / -20 ... +70 °C (models with display), 0 ... 100 %RH, non-condensing

Operating limits at electronics

-40 ... +60 °C / -20 ... +60 °C (models with display), 0 ... 100 %RH, non-condensing

Temperature  limits at probe

Depends on probe model

Maximum humidity at sensor

100 %RH to 80 °C (176 °F)

75 %RH at 100 °C (212 °F)

45 %RH at 125 °C (257 °F)

15 %RH at 150 °C (302 °F)

Maximum air velocity at probe

20 m/s (3935 ft /min)

Critical environments

Humidity sensor: IN-1/WA-1