
A heat flux sensor is a thermopile, an electronic device that translates thermal energy into an electrical voltage proportional to the temperature gradient across its thermocouples’ hot and cold junctions.
EKO Instruments offers a selection of thin substrate heat-flux sensors in a range of different sizes and thicknesses, an ideal option for research and engineering applications as well as manufacturing control and monitoring processes.
The HF-30S is a thin foil extra-large heat-flow sensor covering 30 x 30 cm². Its size ensures properly averaged thermal conductivity results on adequate, flat surfaces without the potential risk of local hot spot effects or thermal bridges.
Key Features:
ISO 9060:2018 | |
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Response time 95% | < 0.5 Sec |
Zero offset A – Thermal Radiation (200W/m²) | |
Zero offset B – Temperature change (5K/hr) | |
Zero offset C – Total zero off-set | |
Non-stability (change/year) | |
Non-linearity (100 to 1000W/m²) | |
Directional Response (at 1000W/m² | 0 to 80°) | |
Spectral Error | |
Temperature response (-20°C to 50°C) | |
Tilt Response (0-90° | 1000W/m²) | |
Additional Signal Processing Error | < 1 W/m² |
Technical Features : | |
Wavelength Range | 285 to 3000 nm |
Irradiance range (W/m²) | |
Signal Output | |
Sensor Diagnostic | |
Operating temperature | |
Supply voltage | |
Power Consumption | |
Ingress protection | IP67 |
Calibration traceability / uncertainty | |
Standard Cable Length | |
IEC 61724-1:2021 | IEC Class A |