OFTF
Contact/surface temperature sensor
Application
The OFTF is a surface temperature sensor with an aluminium prism for measuring the temperature on straight and slightly curved surfaces. E.g. surface temperature measurement on windows, walls and heating surfaces.
Technical Data
| Measuring range: | - 10 ... +105°C PVC, LiYY, 2x0,25 mm² - 50 ... +180°C Silicone, SiHF, 2x0,25 mm² (Tmax NTC/KTY=150°C, Tmax LM235Z=125°C) |
| Sensors: | For passive sensors see data sheets |
| Circuit type: | 2- wire connection |
| Measuring current: | see resistance table |
| Process connection: | is attached to the surface to be measured using appropriate adhesive (e.g. 1 drop of silicone or double-sided adhesive tape) |
| Protective sleeve: | Aluminium |
| Dimensions: | 8 x 8 x 40 mm |
| Connecting cable: | PVC; 2 m, 2x0,25 mm², ends stripped, (optional silicone 2m up to 180 °C) |
| Insulation resistance: | ≥ 100 MΩ, at 20 °C (500V DC) |
| Humidity: | < 95% r.H. non-condensing air |
| Protection class: | III (according to EN 60730) |
| Protection type: | IP 54 (according to IEC 529) (optionally moisture-proof encapsulated, IP 65) |

ALTM 1
