AF-51
External temperature sensor, KTY81-121
The outdoor temperature sensors AF with internal sensor are used for temperature detection in outdoor areas, in humid areas, in cold stores and greenhouses as well as in industrial areas and are especially protected against dust and humidity. If the sensor housing is exposed to direct sunlight, the use of a sunshade is recommended.
Art.-Nr.: G9040420
Technical data
| Active temperature measurement | No |
| Ambient temperature, lower value | -30 °C |
| Ambient temperature, upper value | 70 °C |
| Bearing temperature, lower value | -30 °C |
| Bearing temperature, upper value | 70 °C |
| Colour | Pure white |
| Connection cross-section | 0,14 mm² bis 2,5 mm² |
| Cover fastening | Bayonet fastening |
| Depth | 34 mm |
| Electric connection | Screw terminals |
| Height | 64 mm |
| Housing material | Plastic PA (30 % GF reinforced) |
| Max. measurement current | < 1 mA |
| Maximum air humidity (non-condensing) | 95 % r.H |
| Medium | Air, not aggressive |
| Mounting / attachment | Wall mounting |
| Passive temperature measurement | Yes |
| Protection class | III |
| RAL colour number (similar) | 9010 |
| Safety and EMC | In accordance with DIN EN 60730 |
| Sensor element | PTC internal |
| Sensor element inside the housing | Yes |
| Sensor element outside the housing | No |
| Sensor type | KTY 81-121 (sensor 51) |
| Surface properties | Gloss |
| Temperature measuring range lower value | -30 °C |
| Temperature measuring range upper value | 70 °C |
| Type of protection | IP65 |
| Version of sensor | External sensor |
| Width | 58 mm |
| With explosion protection | No |
| With housing | Yes |
| With mounting material | 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 |
 |
S-Schutz 01 | G9990170 | Ball, sun and rain protection, 150x90x47mm; stainless steel V4A 1.4571 | Accessories |
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