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

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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

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