Designed for humidity and temperature monitoring in demanding HVAC applications. Features two-wire loop powered or three-wire voltage output configurations, an interchangeable probe, and an optional display.

Full 0 ... 100 %RH measurement Two-wire loop-powered or three-wire voltage output con gurations Fixed and remote probe models Display available Relative humidity, dewpoint, temperature outputs Vaisala HUMICAP® sensor Interchangeable probe module for minimal maintenance downtime Different output scalings Compatible with hand-held HM70 and HMI41 for one-point calibration IP65 (NEMA 4) housing NIST traceable (certi cate included)

Relative humidity measurement
	Measurement range	0 ... 100 %RH
	Accuracy
	at +15 ... +25 °C	±1.7 %RH (0 ... 90 %RH)
		±2.5 %RH (90 ... 100 %RH)
	Sensor	Vaisala HUMICAP® 180
Temperature measurement
	Measurement range	-40 ... +80 °C (-40 ... 176 °F)
	Accuracy at +20 °C (+68 °F)	± 0.2 °C (± 0.36 °F)
	Sensor	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	4 ... 20 mA
	external loop load	10 ... 35 VDC (RL = 0 ohms) 20 ... 35 VDC (RL = 500 ohms)
	Voltage output signals
	supply voltage	0 ... 1 V, 0 ... 5 V, 0 ... 10 V
	current	10 ... 35 VDC/24 VAC
	consumption,
	35 VDC/24 VAC	max. 12 mA
	external load	RL min. 10 k&
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 xed variables when two variables are ordered.
Options and accessories
	Radiation shield	DTR502B
	Rain shield with installation kit	215109
	Installation plate	DRW010712
	Duct installation kit	215619
	Connection cable for HM70	211339