Radiant flux sensors.
AN ULTRATHIN FLEXIBLE RADIANT FLUX SENSOR
Thin foil flexible radiant flux sensors consist of a thermoelectric panel laminated
between flexible heterogeneous plastic layers with shiny reflectors on one or their both
external sides. Radiant flux sensors absorb or emit radiation in the wavelengh range from
2µm to 20µm while delivering an output voltage directly proportional to the radiant flux
density (in Watt/m2). Its median thermal emissivity can be adjusted on request in the
range 0.3- 0.7. Since their introduction by CAPTEC over 10 years ago, these radiant flux
sensors are used as plane black body radiometers and have demonstrated significant
advantage as compared with conventional radiation sensors.
ADVANTAGES
Easy to use: simply connect the terminals to a millivolt or
microvolt meter.
Custom tailored for better fit: Size and shape possibilities are unlimited. CAPTEC
builds sensors as large as 300*300mm, as small as 5*5mm. You can specify specific shapes
to follow the curves of your hardware. Computed aided design produces uniform or profiled
heat flux sensing elements to meet your precise needs.
Integral temperature sensor: CAPTEC can furnish heat flux sensors with integral
thermocouple built in the sensing area ideal for heat transfer controllers.
Heat flux sensing assembly: As an added service CAPTEC can clamp heat flux sensors
to mating metal parts. Our specialised equipment guarantees superior performance.
Ultra thin and low response time: the thinner the sensor is, the shorter is the
time required to reach its steady state sensor temperature.
Electric resistance: lower than 500 Ohm.
SPECIFICATIONS
Accuracy: Thickness of 0.4 mm, guarantees minimal disturbance
Sensing Area: Up to several square feet (precisely shaped and sized on request)
Operating temperature: from - 180°C to 200°C (-330F to 500F)
Input range: - 500 kW/ m2 to 500 kW/ m2
Electrical resistance: About 100 ohms for a sensing area of one dm2 (0.1 ft square)
Thermal emissivity : 0.48
Instrumentation: Any voltage measuring instrument having a 0.1 mV range.
Connection: Either by welding or by copper Teflon insulated color coded wires.
Response time: 0.05 sec
Possibility to insert a thermocouple in order to also measure the temperature.
Sensitivity:
