Sigma's water resistance testers feature automatic test start when closing the chamber and auto-positioning of the watch during the test. The units offer extremely simple operation and programming with 10 programmable single and double tests.
Model SM8850-10 tests pressure range from -0.7 vacuum up to 10 bar pressure. The tester is also available in 20, 30 and 50 bar pressure configurations. SM8850-50 tests up to 50 bar pressure when coupled with Sigma's pressure booster. All units require a compressor. The Pressure Booster SM-970034 provides a multiplier factor of 3.5 and is automatically regulated by the high-pressure water resistance testers.
Sigma has more than 40 years of dedication and professional experience in the field of water resistance testing. Newly developed instruments combine state of the art technology and modern design. With their extremely solid construction and high quality materials, all products are intended to last for many years. Competent technical support and excellent after sale service occupy a very important place in the company.