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.
Double grinding head assembly configuration, total weight 1500g, Reciprocating Frequency 37 +/- 2 times/min, Travel 300mm, can accurately evaluate the stain resistance of the film.
The equipment has a 15-liter large-capacity water Tank and an 8mm inner diaMeter water pipe, supports 0 to 99 hours of time control, adopts stainless steel structure and automatic control device, and is suitable for coating stain resistance testing.
Using stain removal rate evaluation method, scruf speed 37cpm, load 1000g, can accurately adjust the liquid Flow rate, by measuring the reflection coefficient changes to evaluate the stain resistance of coatings.
Adopt stainless steel water Tank structure, equipped with 8mm inner diaMeter flow pipe, support 0-99 hours time control, can realize automatic flushing and multi-directional test of sample.
High Accuracy Time Controller and Solenoid Valve are used to automatically control the flushing time. The water Tank and pipe fittings are made of stainless steel, resistant to corrosion, small in size and light in weight, easy to install and operate, and the time control range is 0-100 hours.
Smooth matte surface does not contain plasticizer, reflectance < 4%, thickness 0.25 +/- 0.02mm, to ensure test data Repeatability and comparability, in line with national standards.
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.
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.
Measurement principle using resistance method, Response Time only 1 second, Measurement accuracy +/- (1% RH + 0.5), support 4 wood measurement types, with automatic shutdown and low power prompt function.
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.
Measurement principle using resistance method, Measurement range 2~ 70%, resolution 0.5%, Response Time only 1 second, with voice reminder, automatic shutdown and Data storage function, Operating temperature 0~ 40 ℃.
Measurement principle using resistance method, Measurement range 2~ 70%, accuracy +/- 2%, Response Time only 1 second. With 4 wood Measurement modes, support Data storage and voice reminder function.
Measurement principle using resistance method, accuracy of 0.1%, support a variety of grain Measurement range, with voice reminder and automatic shutdown function, portable design weighs only 254g.
Support 2-wire method and 3-wire method measurement, Ground Voltage Measurement range 0~ 200V, Ground Resistance Measurement range 0~ 199.9 Ω, Response Time about 5 seconds, with continuous measurement function and overload protection, suitable for a variety of grounding system testing.
