Washability and Scrub Resistance Tester Model 494 MC
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Washability and Scrubbing Resistance
Washability and Scrub Resistance Tester Model 494 MC
494 MC型耐洗刷性试验机(附带水平脚)的上盖板上放置有试验用的钢槽。此外,还配备了两个试片夹持装置。通过由微控制器操作的高精度步进电机,使保持/引导研磨体的驱动框架周期性地进行线性移动,具有较高的重复性。用于插入研磨体的旋转安装框架设计为最多可以容纳/引导三个研磨体。因此,最多可以进行三次平行的磨损测试。对于符合DIN EN ISO 11998标准的测试,必须安装提供的ISO适配器。通过键盘和6行显示器进行操作是非常舒适的,其功能包括: 1:
- 控制行程(启动、停止、复位)。
- 设置测试参数(冲程速度、冲程路径、双冲程数)
- 存储常用的测试序列(最多20组参数)。
目的和应用: 494 MC 型用于评估涂层(尤其是乳化漆和刷墙漆)的耐洗性、耐磨性和清洁性。由于参数可调范围很大很宽,所以该种测试仪还可用于其他个别特殊的试验项目(例如用于检验去污溶液)。
测试原理: 在标准应用中,亚光黑色的PVC箔将被涂上一层,如果需要的话,将以规定的方式弄脏。在夹入设备后,它将暴露在清洗液的影响下,移动擦洗体的压力。
Technical Descriptions
Norms
- DIN 53 778-2
- ASTM D 2486
- DIN EN ISO 11998
Technical specifications
Drive
Electric
Portable / Stationary
Stationary
Test Benches/ Test Trail
up to 3
Dimensions
approx. 590 mm x 370 mm x 280 mm (W x D x H)
Weight (net)
approx. 22 kg
Power supply (external wide-range power adapter)
(100 -240) VAC, (47-63) Hz, 24 VDC / 3 A
Stroke rate
(5 - 70) double strokes / min.
Stroke path
(10 - 300) mm, depending on the stroke rate
Equipment
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