Relative humidity measurement

Measurement range
Accuracy
        at +15 ... +25 °C


Sensor

0 ... 100 %RH

±1.7 %RH (0 ... 90 %RH)
±2.5 %RH (90 ... 100 %RH)

Vaisala HUMICAP^® 180

Temperature measurement

Measurement range
Accuracy at +20 °C (+68 °F)
Sensor

-40 ... +80 °C (-40 ... 176 °F)
± 0.2 °C (± 0.36 °F)
Pt1000 IEC 751 1/3 class B

Dewpoint measurement (calculated)

Measurement range

-20 ... +80 °C (+4 ... +176 °F)

Operating environment

Temperature
        w/o display
        probe only

-30 ... +60 °C (-22 ... +140 °F)
-40 ... +60 °C (-40 ... +140 °F)
-40 ... +80 °C (-40 ... +176 °F)

Inputs and outputs

Two-wire output signal
        external loop load

Voltage output signals
        supply voltage
        current consumption,
        35 VDC/24 VAC
        external load

4 ... 20 mA
10 ... 35 VDC (R_L = 0 ohms)
20 ... 35 VDC (R_L = 500 ohms)
0 ... 1 V, 0 ... 5 V, 0 ... 10 V
10 ... 35 VDC/24 VAC

max. 12 mA
R_L min. 10 kΩ

Mechanics

Probe cable length
Materials
        Housing
        Probe
        Mounting plate
Housing classification
Display option

3 m, 5 m, 10 m

ABS/PC plastic
Chrome coated aluminum
ABS plastic
IP65 (NEMA 4)
One line, changing variable or fixed variables when two variables are ordered.

Options and accessories

Radiation shield
Rain shield with installation kit
Installation plate
Duct installation kit
Connection cable for HM70

DTR502B
215109
DRW010712
215619
211339