The FHF series thin-film heat flow meter 'Quantifying Heat Flow.' The FHF06 is a model designed for higher temperature environments (up to 250 degrees).
The CHF-FHF series thin film heat flow sensors measure the heat flux passing through the embedded or mounted object and express it in units of W/m² (watts per square meter). The internal sensing element is made of a thermopile (a collection of thermocouples), and the small voltage output generated by the temperature difference between the front and back of the sensor is converted into heat flow by multiplying it by a sensor-specific coefficient. The CHF-FHF06, like the conventional model CHF-FHF05, is flexible and features an integrated T-type thermocouple, along with a thermal spacer to reduce dependence on thermal conductivity.
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basic information
The heat flow sensor measures the heat flux passing through itself. Heat flux is expressed in units of W/m². The FHF05 outputs the representative heat quantity of the location where the sensor is attached. The sensing element of the FHF05 is made of a thermopile (a collection of thermocouples). The thermopile measures the temperature difference between the front and back of the sensor. The FHF is a passive sensor that does not require a power supply, and since the temperature difference between the front and back is usually very small, it results in a small voltage output. The sensor has a specific coefficient assigned to it, and by multiplying the output voltage by this coefficient, it can be converted to heat flow. To minimize the hindrance of heat flow by the sensor itself, there is a spacer (metal plate) inside, allowing for high-precision heat flow measurement. Since the output is a voltage signal, it can be measured with a general data logger, but we recommend using HIOKI data loggers, which allow for easy input of coefficients and temperature correction settings.
Price information
CHF-FHF06 200,000 yen Size 25mm x 50mm with 2m cable T-type thermocouple
Price range
P3
Delivery Time
Applications/Examples of results
Automotive-related: Thermal evaluation of EV batteries, heat sinks, transmissions, etc. Industrial plants: Evaluation of heat dissipation in piping. Architecture: Performance evaluation of insulation materials, heating efficiency, building materials, sashes, and glass. Measurement of electronic substrates: Heat generation from ICs and heat sinks.
Detailed information
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The heat flow sensor measures the heat flux passing through itself. The heat flux is expressed in units of W/m². The FHF06 outputs the representative heat quantity of the location where the sensor is attached. The sensing element of the FHF06 is made of a thermopile (a collection of thermocouples). The thermopile measures the temperature difference between the front and back of the sensor. The FHF is a passive sensor that does not require a power supply, and since the temperature difference between the front and back is usually very small, it results in a small voltage output. The sensor has a unique coefficient, and by multiplying the output voltage by this coefficient, it can be converted to heat flow. Thermocouples made of dissimilar metals are embedded in large numbers. A single thermocouple generates a voltage according to the temperature difference between the hot junction on the front of the sensor and the cold junction on the back. The signal is amplified by thermocouples connected in series. In a steady state, the heat flux is proportional to the temperature difference between the front and back of the sensor and the thermal conductivity of the sensor body.
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The FHF06 series has high flexibility and can be bent up to a radius of 7.5mm.
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【Recommended Logger】 HIOKI Thermal Flow Logger LR8432 ・Measures the amount and flow of heat with thermal sensors ・Can also measure temperature and voltage ・Measurement data can be recorded on a USB memory stick for easy transfer to a PC! Long-term measurements can be securely recorded on a reliable CF card! ・10-channel isolated analog input, maximum sensitivity of 10mV ・Maximum sampling of 10ms across all channels ・Simultaneously records both raw waveforms and processed waveforms (waveform calculations such as thermal transmittance) ・Double gauge allows for the display of two scales
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【Recommended Logger】 HIOKI Memory HiLogger LR8450-01 (Wireless LAN Model) ・Wireless LAN model/direct connection unit, expandable with wireless unit for up to 330 channels ・Measures output voltage from various sensors such as pressure with 1ms sampling ・Directly connects strain gauges for the fastest 1ms sampling measurement ・Stable measurements even in high voltage and high frequency environments like inverters, significantly reducing noise impact ・Using a wireless unit allows for the shortest signal line wiring, preventing troubles ・With a logger equipped with wireless LAN, data from remote locations can be observed on a PC.
Line up（1）
| Model number | overview |
|---|---|
| CHF-FHF06 | Size 25mm x 50mm with 2m cable |
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Company information
A system integrator is a business that consistently undertakes tasks such as system design, construction, implementation, maintenance, and operation. At Climattec, we often receive inquiries like, "Can you measure this?" As a system integrator specializing in natural measurements, we have a proven track record in various natural environments, and we can provide the best proposals under any conditions, whether in deserts, snowy mountains, or at sea.