The device places the test plate in parallel in the wind tunnel, the wind speed control accuracy is 3 +/- 0.3m/s, the drying time is automatically controlled, and the surface crazing can be visually inspected, which is suitable for the evaluation of coating anti-crack performance.
The wind speed is controlled in the range of 3 +/- 0.3m/s, equipped with axial flow fan and automatic timing function, which can simulate the drying process under specified conditions and effectively detect the surface crazing of the material.
The device provides 3 +/- 0.3m/s wind speed through axial flow fan in wind tunnel, Timer delay range of 0.01 seconds to 99 hours 99 minutes, can automatically control drying time and eye test plate surface crazing, support parallel test.
Adopting axial flow fan to supply air, the wind speed can be adjusted steplessly, the wind speed in the wind tunnel is 3 +/- 0.3m/s, and it is equipped with Handheld AnemoMeter measurement, which is suitable for coating drying anti-crack performance testing.
Using axial flow fan and test wind tunnel structure, the wind speed can be adjusted in the range of 3 +/- 0.3m/s, equipped with Timer delay range of 0.01 seconds to 99 hours and 99 minutes, automatic detection of material surface crazing.
4-Terminal Resistance Measuring method is used to eliminate the influence of wire resistance. Test speed is up to 6 times/sec. Measurement current is less than 100mA to prevent temperature drift and ensure Precision and Stability.
The equipment is designed according to the international coating stain resistance experimental method, the water Tank volume is 5L, the inner diaMeter of the flow pipe is 8mm, and the time control range is 0~ 99h99s. It is suitable for the stain resistance test of building exterior coatings.
Steel ball diaMeter 1mm needle, load range 0-2000g, through the minimum load of the film to accurately determine the coating resistance to penetration, traverse speed 30-40mm/s to ensure the test Stability.
Conical mandrel size is 3.1~ 38 mm, length 203 mm, stainless steel material, wear resistance and corrosion resistance, can test the bending performance of steel, aluminum alloy and plastic sample, easy to operate.
Double station design can simultaneously carry out two sets of tests, round trip 0-50mm adjustable, test load 80-990g adjustable range, equipped with a variety of weight to meet the wear resistance performance evaluation requirements under different load conditions.
Four-terminal Resistance Measuring method is used to eliminate the influence of wire resistance, test Precision 0.1% reading + 2 words, Measurement speed is fast 32 times/second, with perfect sorting function, alarm value can be set for percentage sorting, strong anti-interference ability.
Temperature range of -40~ 150 ℃ and 20~ 98% Humidity control, anti-condensation design of laminated Glass viewing window, support multi-stage program editing and fast slope control, meet a variety of standard test requirements.
Temperature range -40~ 150 ℃, Humidity range 20~ 98% RH, with multi-stage program editing and fast slope control function, double-decked air tight and sweat-proof viewing window design.
High borosilicate Glass material, corrosion resistance and high and low temperature resistance, strong ability to withstand thermal Impact; vacuum negative pressure can reach 0.095MPa, support material reaction under negative pressure; Overhead Stirrer Rotation speed 50-500rpm, torque 70N.cm, suitable for a variety of viscosity materials.
Using 2-wire method and 3-wire method measurement, Ground Voltage Measurement range 0~ 200V, Ground Resistance Measurement range 0~ 1999 Ω, Response Time about 5 seconds, with continuous measurement and overload protection function.
