All of this indoor temperature sensors with digital output RS 485 / MODBUS - SD 102 are designed for measuring the temperature of gaseous substances in areas protected from water - for example for measuring the temperature in premises (schools, theaters, conference rooms, etc.), offices, homes or even production halls. She aesthetic design and high quality materials guarantee installation in any type of environment, even in interiors subject to high aesthetic requirements.
Indoor temperature sensors with digital output RS 485 / MODBUS - SD 102 consist of a plastic head with grooves in which is placed a printed circuit board with individual sensors or a converter in order to guarantee a specific digital output according to the type of sensor.
The temperature range of the sensors is defined in the table of technical parameters for each variant. The sensors comply with protection class IP 30 in accordance with the modified standard EN 60529. The recommended location is at a height of 1,5 m on the interior wall, in the area of movement of people, away from sunny places and places affected by the temperature of walls, radiators or light.
The sensors are designed to operate in a chemically non-aggressive environment, the method of use must be chosen according to the temperature and the chemical resistance of the sensor head.
RS 485 / MODBUS RTU
-30 to 70 ° C
± 0,5 ° C
15 to 30 V DC
Nominal supply voltage Un
24 V DC
Consumption / supply current
maximum: 500 mW, typical: 300 mW
Degree of protection
IP 30 according to EN 60529, as modified
ambient temperature: -30 to 70 ° C relative humidity: atmospheric pressure maximum of 85% : 87 to 107 kPa