HZ-7039L Thermal Conductivity Tester flat plate heat flowmeter method

This instrument adopts the international popular heat flowmeter detection thermal conductivity method, with a computer to achieve automatic detection, is optimized on the basis of the original HZ-7039K, to meet the test requirements of the thermal conductivity of various common materials.
Based on the test principle of steady-state plate method, adding stable heat surface temperature to the heat surface. The heat is transferred to the cold surface through the sample to measure the transmitted heat flow, and then the thermal conductivity and heat resistance can be calculated according to the thickness and heat transfer area of the sample.

This Thermal Conductivity Tester flat plate heat flowmeter method is simple, quick, and highly reproducible.It is very suitable for the research and development of material heat transfer.Can be used in plastic, rubber, graphite, thermal insulation materials and other testing, widely used in universities, scientific research institutes, quality inspection, factories and mines.
Reference standard for this instrument: ASTM C518-04 Test method for determining steady state heat flux and heat transfer characteristics by heat flowmeter; GB10295-2008 determination of steady state heat resistance and related characteristics of thermal insulation materials (heat flowmeter).
Main technical parameters

number	main parameter	HZ-7039L	DRPL-2A	DRPL-2B	DRPL-2C
1	Range of thermal conductivity	Plate sample 0.015-5W / mk; cylindrical sample 3-500W / mk			5-1000W/mk
2	Test accuracy	Better than 5%	Better than 4%	Better than 4%	Better than 5%
3	Thermal plate temperature control	Room temperature- -99.99℃	Room temperature- -150.00℃ Or room temperature- -300.00℃	Room temperature- -150.00℃ Or room temperature- -300.00℃	Room temperature- -150.00℃ Or room temperature- -300.00℃
4	Cold surface temperature	forced cooling	forced cooling	thermostatic bath (Optional by temperature)	thermostatic bath (Optional by temperature)
5	Test surface size	150*150mm	φ60（或φ80）mm	φ60（或φ80）mm	The box sample is wide 60mm
6	Experimental time	About 3hours	About 3hours	About 1.5hours	About 1.5hours
7	Heat protection device	N/A	I/A	I/A	I/A
8	Heat flow range	0.5-2000W/m²，resolution power 0.25 W/m²。
9	Measuring system	Computer automatic testing
10	electric source	220V；50Hz；Power is less than 1KW (without constant temperature slot)
11	Heat flow meter	A WPY heat flow meter was used with the heat flow parameter 23.26w/m2 * mV.
12	Other	A Plexiglass wind protection cover is used to directly observe the experimental process.
13	Configure	One DRPL-2 test host, one set of software, one plexiglass wind cover,The buyer provides its own computer and printer.	One DRPL-2A test host, one set of software, one plexiglass wind cover,The buyer provides its own computer and printer.	One set including DRPL-2B test host, one set of software, one plexiglass wind protection cover, one high-precision constant temperature tank,,The buyer provides its own computer and printer.	Including one DRPL-2B test host, one set of software, one Plexiglass windproof cover, one high-precision constant temperature sink, one set of sample fixture, the buyer provides its own computer and printer.

Note: HZ-7039L model instrument is an instrument for measuring high thermal conductivity sheet sample (metal sheet, graphite sheet, etc.).

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