HTR02 series
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Catalog excerpts

Heater for verification of performance of FHF-type heat flux sensors Hukseflux, the world market leader in heat flux sensors, simplifies heat flux sensor performance checks. HTR02 series is a heater with a cable with 4-wires, a known surface area and electrical resistance. It is used for functionality checks of heat flux sensors like FHF05 series. Users can now easily and objectively check their sensor performance before and after use. HTR02 series is available in two different models: 50X50 and 85X85 mm. Users can use the heaters for all sensor dimensions in FHF05 series. See also model FHF05SC series heat flux sensor with integrated heater. Introduction Measuring heat flux, users may wish to regularly check their sensor performance. A quick check is now possible with HTR02 series plus some accessories that most laboratories will have inhouse. The HTR02 series heaters have a well characterised a traceable surface area and electrical resistance. HTR02 series is a foil heater. Either it can be used in combination with foil heat flux sensors such as FHF05 series for test purposes or as a general-purpose heater. Heater with FHF05 series Heaters of HTR02 series can easily be used with all models of FHF05 series. Figure 1 Model HTR02-50X50 and HTR02-85X85 heater. Table 1 FHF05 series in use with HTR02 heaters. FHF05 MODEL HTR02 HEATER FHF05-10X10 HTR02-50X50 FHF05-15X30 HTR02-50X50 FHF05-50X50 HTR02-50X50 FHF05-15X85 HTR02-85X85 FHF05-85X85 HTR02-85X85 To achieve higher measurement performance, it is recommended to make a guard for models FHF05-10X10, -15X30 and -15X85. See the user manual for more information. Figure 2 HTR02-50X50 heater with model FHF05-15X30 heat flux sensor. HTR02 heater series can easily be used with all models of FHF05 series. Copyright by Hukseflux. Version 2201. We reserve the right to change specifications without prior notice Page 1/3. For Hukseflux Thermal Sensors go to www.hukseflux.com or e-mail us: info@hukseflux.com

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Unique features and benefits • • • • makes it possible to perform a simple test guarantees sensor stability matches all models of FHF05 series heat flux sensors HTR02 series heaters have a well characterised and traceable surface area and electrical resistance supplied with product certificate stating surface area in [m²] and heater resistance in [Ω] HTR02 series specifications Power supply voltage 12 VDC Effective heater area per model 50X50 2381 x 10-6 m2 85X85 7022 x 10-6 m2 Heater electrical resistance per model 50X50 120 Ω (nominal) 85X85 40 Ω (nominal) Heater thickness 0.1 x 10-3 m...

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About Hukseflux Figure 4 Working with HTR02 series; a typical stack used for calibration consists of a block of metal (mass > 1 kg), for example aluminium (5), the heat flux sensor (3), the HTR02 (2) and an insulation foam (1). Under these conditions, heat losses though the insulation are negligible. Heat flux flows from hot to cold. Dimensions in x 10-3 m. Hukseflux is the leading expert in measurement of energy transfer. We design and manufacture sensors and measuring systems that support the energy transition. We are market leaders in solar radiation- and heat flux measurement. Customers...

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