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)