Detection and control of the proportion of the controller for pH and redox / Baume controller, high accuracy, sensitivity and strong, special housing design and waterproof effect; with STDBY function to facilitate the maintenance and calibration. Large LCD (LED), the temperature to 90 degrees the same black controller, 4-20mA isolated output, anti-interference ability, detail design features: ● microcomputer, single wafer processing, auto-ranging search [20.00,200.0 cloud degree controller, 2000us / cm, 20.0ms / cm]. ● temperature compensation coefficient can be set to [0.00 to 7.00%], also shows us / cm, ms / cm, ℃. ● automatic calibration and automatic temperature compensation, automatic conversion electrode after calibration constants. ● Ergonomic fermentation dissolved oxygen controller, easy to carry, feel good, lightweight and designed to meet the on-site use. ● button switch design, easy operation, easy to carry, special housing design, waterproof good effect. Turbidity controller | Shenzhen-Yi Wei (certified) | Jinan controller are provided by Shenzhen-Yi Micro Technology Limited. Shenzhen-Yi Micro Technology Co., Ltd. (www.jieyiwei.com) is an industry leader in Shenzhen, Guangdong, electronics, electrical products manufacturing equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. In Jie Yi micro leadership with the staff warmly welcome all inquiries negotiations to create easy micro Jay a better future.