- For temperature measurement -40...+85 °C
- Pt100, Pt500, Pt1000, PTC1000 or NTC sensor
- Stainless steel sensor stem Ø6xL85 mm
- 4-20 mA or RS485 Modbus RTU option
ET721 series air temperature sensors are designed for measuring temperatures in dry and damp rooms or outdoors. Applications include building automation, meteorology and labs.
Sensing element | Pt100 class A according to EN60751 (as standard) |
optional Pt500, Pt1000, PTC1000, | |
Measurement range | -40...+85 °C |
Cable connections | screw terminal block |
2- or 3-wire sensor connection | |
Dimensions | S - H88 × W64 × D42 mm |
M - H82 × W80 × D55 mm | |
Enclosure | S - light grey PS, protection class IP65 |
M - grey ABS, protection class IP65 | |
Operating conditions | -40...+85 °C, 0...100 %RH |
Protection tube | stainless steel Ø6×L90 mm |
Output | plastic screw terminal, |
transmitter 4-20 mA analog | |
RS485 Modbus RTU protocol digital |