Room humidity and temperature sensor HYGRASGARD® RFTF-Modbus

Potentiometer

LEDs

Push-button

Switch

Display

Product group: WG01

Room humidity and temperature sensor HYGRASGARD® RFTF - Modbus

Voltage supply

24 V AC (± 20 %) and
15…36 V DC

Power consumption

< 1,2 W/ 24 V DC
< 2,2 VA/ 24 V AC

Data points

Temperature [°F], relative humidity [% RH],
dew point [°F], absolute humidity [gr/ft³],
mixture ratio [gr/lb], enthalpy [Btu/lb]

Measuring range, humidity

0...100 % RH

Deviation of humidity

typical ± 2.0 % (20…80 % RH); at + 25 °F, otherwise ± 3.0 %

Measuring range, temperature

32...+122 °F

Temperature deviation

typically ± 0.4 °F at +77 °F

Sensor

digital humidity sensor
with integrated temperature sensor,
low hysteresis, high long-term stability

Measuring range

0...100 % RH (humidity)
-31...+176 °F (temperature)

Zero point offset

± 10 % r.H. (humidity)
± 10 °C (temperature)
adjustable using potentiometer

Ambient temperature

storage –31...+185 °F;
operation 32...+122 °F

Medium

clean air and
non-aggressive, non-combustible gases

Signal filtering

4 s / 32 s

Housing

plastic, material ABS,
colour pure white (similar to RAL 9010)

Dimensions

3.86 x 3.86 x 1.30 in (Baldur 2)

Installation

wall mounting or on in-wall flush box, Ø 2.2 in,
base with 4 holes, for attachment to vertically or
horizontally installed in-wall flush boxes for rear cable entry,
with predetermined breaking point for cable entry
from top/ bottom in case of plain on-wall installation

Long-term stability

± 1 % per year

Permissible air humidity

< 95 % RH, non-precipitating air

Protection class

III (according to EN 60 730)

Protection type

IP 30 (according to EN 60 529)

Standards

CE conformity
according to EMC Directive 2014/ 30/ EU,
according to EN 61 326

Units

switchable metric / imperial