Relative humidity and temperature transmitter AR257
built-infor integration4-20 mA

Relative humidity and temperature transmitter - AR257 - APLISENS S.A. - built-in / for integration / 4-20 mA
Relative humidity and temperature transmitter - AR257 - APLISENS S.A. - built-in / for integration / 4-20 mA
Relative humidity and temperature transmitter - AR257 - APLISENS S.A. - built-in / for integration / 4-20 mA - image - 2
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Characteristics

Type
relative
Mounting
for integration, built-in
Output
4-20 mA, 0-10 V, RS-485
Protection level
IP65, IP20
Other characteristics
with LCD display, precision, with CO2 sensor, programmable
Measuring range (%)

Min.: 0 %

Max.: 95 %

Precision

2.5 %, 3.5 %

Measuring range (temperature)

Min.: -10 °C
(14 °F)

Max.: 60 °C
(140 °F)

Accuracy (temperature)

0.5 °C
(32.9 °F)

Description

• high-quality digital sensor for carbon dioxide (CO2) and humidity (RH) and temperature (T) in closed rooms to improve the comfort and well-being of people staying there • application in many fields and applications (for industrial, office and residential environments, inside buildings, e.g. HVAC installations, storage, production, transport, food sector, pharmacy, medicine, gardening, laboratories and others) • probe integrated with the housing or external • programmable ranges of measured value processing • LCD display with a keyboard (optional) allowing configuration of parameters • configuration of parameters from the keyboard, through the RS485 or PRG port (AR956 or AR955 programmer) and the free ARsoft-CFG computer program enabling quick setting and copying of all configuration parameters • high stability of measurements • IP65 degree of protection provided by the housing that increases the reliability of work due to high resistance against water and dust penetration and surface condensation of water vapor inside the device, IP20 probe • calculating the dew / frost point [°C], absolute humidity [g/m3] (calculations for atmospheric pressure 1013 hPa) with the possibility of combining the calculated values ​​with the analogue output

Exhibitions

Meet this supplier at the following exhibition(s):

Hydrogen Technology World Expo
Hydrogen Technology World Expo

20-22 Oct 2026 Hamburg (Germany)

  • More information

    Other APLISENS S.A. products

    Humidity, CO2, PM2.5, PM10, air temperature

    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.