Basic parameters:

range of relative humidity measurement (RH)

0…100% without condensation1)

basic error of humidity conversion

± 2% of the range for RH = 10…90%
± 3% for the remaining range

hysteresis for humidity measurement

± 1%

range of temperature measurement (T)

– 20…60ºC2)

basic error of temperature conversion

± 0.5% of the range

calculated quantities

absolute humidity (a) [g/m3]
dew-point temperature (Td) [ºC]

additional errors:
temperature influence

± 25% of the basic error/10ºC

RS-485 digital output:

transmission protocol

MODBUS

baud rate

4800, 9600, 19200, 38400, 57600 bit/s

mode RTU:

8N2, 8E1, 8O1, 8N1

maximal response time

300 ms

Analog output (optional):

current

4…20 mA

voltage

0…10 V

maximal load capacity of the current output

100 Ω

minimal load capacity of the voltage output

1k Ω

Rated operating conditions:

supply

9…24 V a.c./d.c.

consumption

< 0.5 VA

ambient temperature

– 30…23…85ºC

relative air humidity

< 95% 3)

rate of air flow

≥ 0.5 m/s4)

preheating time

15 minutes

protection degree ensured by the housing

IP 65

weight

125g

fixing

on a wall

working position:

– in applications non-exposed to a direct contact with water: any
– in applications exposed to a direct contact with water: with the
sensor chamber directed towards the ground.

Electromagnetic compatibility:

noise immunity

acc. to EN 61000 -6-2

noise emission

acc. to EN 61000 -6-4

Security requirements acc. to EN 61010-1

installation category

III

pollution level

2

phase-to-earth working voltage

50 V