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How it works
HF-30S
Heat Flux Sensors
Extra Large 30 x 30 cm²
Weather-proofed, ultra-thin, and extra big. The HF-30S is perfect for measuring average heat flux over a large, flat area or surface.
HF-30S
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:
- ltra-thin & Extra-big
- Low thermal resistance
- Weather-proof design
Accessories
Frequently Paired Together
| ISO 9060:2018 | Class C |
|---|---|
| Response time 95% | < 18 Sec |
| Zero offset A – Thermal Radiation (200W/m²) | ± 12 W/m² |
| Zero offset B – Temperature change (5K/hr) | ± 5W/m² |
| Zero offset C – Total zero off-set | ± 17 W/m² |
| Non-stability (change/year) | ± 1.5 % |
| Non-linearity (100 to 1000W/m²) | ± 1 % |
| Directional Response (at 1000W/m² | 0 to 80°) | ± 20 W/m² |
| Spectral Error | ± 0.2 % (Spectral selectivity ± 3%) |
| Temperature response (-20°C to 50°C) | ± 3 % |
| Tilt Response (0-90° | 1000W/m²) | ± 1 % |
| Additional Signal Processing Error | N/A |
| Technical Features : | |
| Wavelength Range | 285 to 3000 nm |
| Irradiance range (W/m²) | 0 to 2000 W/m² |
| Signal Output | N/A |
| Sensor Diagnostic | N/A |
| Operating temperature | -40 to 80 °C |
| Supply voltage | – |
| Power Consumption | – |
| Ingress protection | IP67 |
| Calibration traceability / uncertainty | ISO 17025 / WRR / < 0.7% (k = 1.96) |
| Standard Cable Length | 10m (Optional lengths 20m, 30m, 50m) |
| IEC 61724-1:2021 | IEC Class C |