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Water-cooled heat flux sensor for cone calorimeters
SBG04 is a water-cooled sensor that measures heat flux. SBG04 is mainly used as a calibration reference standard for testing with cone calorimeters. All specifications and dimensions are standardised for use in cone calorimeters according to ISO 5660 and ASTM E1354 reaction-to-fire tests. The design includes two water cooling tubes fixed at a 90° angle to the sensor body, with a sensor body of a 0.5 inch diameter. The sensor may also be used in flammability, fire resistance, and smoke chamber testing. For other water-cooled heat flux sensors, see the SBG01 and GG01 sensors.
Specifications
Measurement |
Heat flux |
Measuring range |
100x10³W/m² |
Measurement (in SI units) |
Irradiance in W/m² |
Sensor technology |
Gardon and Schmidt-Boelter |
Standardization |
All specifications and dimensions standardized for use in cone calorimeters according to ISO 5660 and ASTM E1354. |
Nominal measuring range |
100x10³W/m² |
Limiting measuring range |
150x10³W/m² |
Response time (63%) |
<250 x 10⁻³s |
Output signal |
DC voltage |
Output signal range |
> 12 x 10⁻³ V in the nominal measuring range |
Spectral range |
0 to 50 x 10⁻⁶m |
Full field of view angle |
180° |
Black coating emissivity |
> 0.90 |
Calibration traceability |
according to ITS-90 |
Nominal cooling water temperature range |
10 to 30°C |
Nominal cooling water flow rate |
> 10 l/h (0.003 l/s), preferably 30 l/h (0.01 l/s) |
Calibration laboratory management system certification |
Standard ISO 9001 |
Accreditation |
not accredited |
Calibration method |
Secondary calibration method SGBC according to ISO 14934-3 |
Standard cable length |
2m |
Standard version order code |
SBG04-100-02 |
Description
The sensor of choice for cone calorimeters
SBG04 measures heat flux in the range of (10 to 100) x 10³ W/m². Equipped with a black absorber, heat flux sensors of this type are designed for measurement in an environment in which heat flux is dominated by radiation. SBG04’s thermopile sensor generates an output voltage proportional to the incoming irradiance. The sensor is water-cooled. Water cooling is typically supplied by tap water connected to the stainless steel in and outlet tubes. These tubes stand at a 90° angle to the 0.5 inch diameter cylindrical sensor body axis, and parallel to the black sensor surface as required for testing with cone calorimeters.
State-of-the-art heat flux sensor
The SBG04 employs a novel sensor design that combines the benefits of traditional Gardon meter reed technology with those of traditional Schmidt-Boelter meter thermopile technology.
Several advantages
Mounting
Suggested use
SBG04 is the sensor of choice as calibration reference standard for cone calorimeter test equipment, in accordance to ISO 5660 and ASTM E1354 reaction-to-fire tests. It is also used in flammability, fire resistance and smoke chamber tests.
Areas of Application
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