Resistance Temperature Sensor, FK 422 Series
Thin-film sensor, 0.8 mm thick
High precision, A Class
Detection portion of sensor 3.9 mm long
Handy for temperature detection in industrial equipment and instruments, easy-handling lead provided
High-precision resistance temperature sensor
Class
A
Temperature coefficient
TCR = 3850 ppm/K
Specified current
100 Ω: 0.3 to 1.0 mA
1000 Ω: 0.1 to 0.3 mA
Operating temperature
-50°C to 300°C
Response
Water flow (speed = 0.4 m/s): t0.5 = 0.2 s, t0.9 = 0.3 s
Air (speed = 1 m/s): t0.5 = 3.4 s, t0.9 = 11 s
Self-heat generation coefficient
0.3 K/mW (at 0°C)
Lead line pitch
0.8 mm
Lead line material
Nickel lines / platinum plate
Sensor main body length
3.9 mm
Sensor main body width
2.1 mm
Thickness at largest point
0.8 mm
Lead line length
10 mm
Lead line thickness
0.2 mm
Standards
DIN EN 60751
