4-20mA Type Dew Point Sensor

Temperature Sensor Type:

NTC Thermistor

Measurement Range:

Relative Humidity: 0 to 100 %RH
Dry Bulb Temperature: -30 to 50C (-22 to 122F)

RH Sensor Sensor Type:

Thermoset polymer based capacitive

Calculated Values:

Dew Point Temperature: -30 to 50C (-22 to 122F)
Wet Bulb Temperature: -30 to 50C (-22 to 122F)
Enthalpy: 0 340 kJ/kg (0 146 BTU/lb)

Accuracy:

Relative Humidity (RH): 2% RH, 10 to 90%RH @ 25 C
Dry Bulb Temp.(T): 0.2C (0.4 F) / 0 to 50C (32 to 122F)
Dew Point Temp. (Td): 1.0C (1.8F) @ 40%RH / 25C
Wet Bulb Temp.(Tw) 1.0 C ( 1.8 F) @ 50 %RH / 25 C
Enthalpy (En) 2 kJ/kg ( 1 BTU/lb) @ 50 %RH / 25 C

Output Signals:

4-20mA (x2)

Output Impedance:

500  max for current (@ 24 Vdc)
10 K min for voltage

Signal 2:

Dew Point Temperature, Wet Bulb Temperature, or Enthalpy (field selectable)
Td Range 1 = -30 to 50C (-22 to 122F)
Td Range 2 = -20 to 40C (-4 to 104F)
Td Range 3 = 0 to 50C (32 to 122F)
Tw Range 1 = -20 to 50C (-4 to 122F)
Tw Range 2 = 0 to 50C (32 to 122F)
En Range 1 = 0 to 340 kJ/kg (0 to 146 BTU/lb)
En Range 2 = 0 to 250 kJ/kg (0 to 107 BTU/lb)

Signal 1:

Dry Bulb Temperature (field selectable range)
T Range 1 = -30 to 50C (-22 to 122F)
T Range 2 = 0 to 50C (32 to 122F)

Power Supply

20 to 27 Vdc

Consumption:

50 mA max @ 24 Vdc

Operating Conditions

-30 to 50C (-22 to 122F)
0 to 95 %RH non-condensing

Wiring Connections

14 to 22 AWG terminal block

Dimensions:

5.7 x 3.95 x 2.5" | 145 x 100 x 64mm
11.3 oz | 320 gm

Enclosure Material:

Grey polycarbonate, UL94-V0, IP65 (NEMA 4X)

Enclosure Rating:

IP65 (NEMA 4X)

Dimensions:

112.5mm W x 116.5mm H x 53.7mm D (4.43 x 4.58 2.11)