STF-51
Radiation temperature sensor, 2x KTY-81-121
Double sensor for detecting radiant and room heat. One sensor is located in the black hemisphere as a radiation sensor, and the other sensor in the plastic housing is a room sensor.
Art.-Nr.: SN080500
Technical data
| Ambient temperature, lower value | -20 °C |
| Ambient temperature, upper value | 60 °C |
| Bearing temperature, lower value | -20 °C |
| Bearing temperature, upper value | 60 °C |
| Colour | Pure white |
| Connection cross-section | 2 x 0,34 mm² (flex) |
| Depth | 83,4 mm |
| Design | Berlin 2000 |
| Electric connection | Screw terminals |
| Height | 78,3 mm |
| Housing material | Plastic ABS |
| Maximum air humidity (non-condensing) | 95 % r.H |
| Mounting / attachment | Surface mounting |
| Protection class | III |
| RAL colour number (similar) | 9010 |
| Safety and EMC | In accordance with DIN EN 60730 |
| Sensor element | PTC |
| Sensor internal | Yes |
| Sensor type | 2x KTY-81-121 (sensor 51) |
| Type of protection | IP30 |
| Version of sensor | Room sensor |
| Width | 25,5 mm |
| With explosion protection | No |
| With supply line | No |
| Circuit diagram | |
| Photo | Type | Articlenumber | Features | Kind |
|---|---|---|---|---|
 | ETR 77.008-5 | D4770014 | Universal temperature controller, -50-+50...°C, hysteresis 0.5-5K, internal setting | Suitable product |
| ETR 77.009-5 | D4770026 | Universal temperature controller, 0-100...°C, hysteresis 0.5-5K, internal setting | Suitable product |
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