Visionless ES20B-CH2O portable formaldehyde Detector is a new high-end Detector created by Visionless Technology on the basis of ES20A.adoptAll-metal housing, performance and various aspects of the index relative toES20A has been greatly improved, using new original imported sensors and more32-bit low-power processor; The circuit adopts 4 layers of wiring, which is stronger against weak signals and anti-interference; Independent high-precision imported AD chip(Some manufacturers use it in order to save costs.)2-layer circuit board and AD function built into the CPU) with unsightly possession of signalsProcessing algorithm, higher accuracy and more stable measurement results;2.5-inch dot matrix display interface, intuitive and generous reading; Very good workmanshipmeter, broughtRock solidquality. It can be applied to various hazardous industrial sites; The products are widely used in metallurgy, stoneOil & Petrochemical, Municipal, Chemical,Biology, home environmental protection, school laboratories, automobile exhaustand other fields.
◆ Rose Tuhao gold all-metal shell, ergonomic design, full of feel, highlighting high-end quality;
◆ Adopt independent precision AD chip, 4-layer circuit board design, stronger ability to weak signal and anti-interference;
◆ 2.5-inch dot matrix display interface, large font interface reading beautiful, menu design is scientific and reasonable;
◆ Imported high-performance sensor, high measurement accuracy, good repeatability and long service life;
◆ Built-in high-performance suction pump, stable flow rate, can be switched on and off;
◆ Temperature and humidity display, and powerful data storage function (optional);
◆ mg/m3, PPM, VOL, LEL, PPB can be selected;
◆ Embedded 32-bit ultra-low power processor, with independent signal processing algorithm, fast response speed and stability;
◆ Scientific and reasonable sound and light alarm design, symmetrical curve, timely alarm prompt when exceeding the standard is detected, to protect personal safety;
◆ Very good industrial design, the fuselage is made of high-strength aluminum profile of military quality, wear-resistant and corrosion-resistant, suitable for complex and harsh industrial environments.








王敬贤;沈隽 - 《生物质材料科学与技术教育部重点实验室》
王黎明; 周瑶; 赵婕; 姜建洲 - 《再生资源与循环经济 》