
Indoor air temperature sensors (ET711)
Wall mounted temperature sensors for measuring ambient temperature in dry rooms.
ET731
ET731 series air temperature sensors are designed for measuring temperatures in air-ducts. Applications include building automation, meteorology and labs.
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| Sensing element | Pt100 class A according to EN60751 (as standard); optional - Pt500, Pt1000, PTC1000, NTC10A |
|---|---|
| Measuring 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 | duct mount; S - light grey PS, protection class IP65; M - grey ABS, protection class IP65 |
| Operating conditions | -40...+85 °C, 0...100 %RH |
| Sensor stem | stainless steel; Ø6, L = 100...500 mm by request (L200 mm as standard) |
| Output | plain terminal block; 4-20mA analog (for enclosure M only); RS485 Modbus RTU protocol digital (for enclosure M only) |
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Wall mounted temperature sensors for measuring ambient temperature in dry rooms.

ET721 series air temperature sensors are designed for measuring temperatures in dry and damp rooms or outdoors. Applications include building…

ET701 series air temperature sensors are designed for measuring temperatures in dry and damp rooms or outdoors. Applications include building…


ET203 temperature sensor is designed for floor-heating and HVAC systems.
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