Developed by our company, the Hexavalent Chromium Automatic Online Water Quality Analyzer is a new-generation fully automatic online water quality monitoring device independently researched and developed. Integrating cutting-edge domestic and international instrument manufacturing technologies, it complies with the national industry standard HJ609-2011 Technical Requirements for Online Automatic Monitoring Instruments of Hexavalent Chromium in Water Quality. Adopting the national standard method 1,5-Diphenylcarbazide Spectrophotometry as the detection principle and dual optical path detection technology, the instrument can rapidly, accurately, conveniently and cost-effectively measure the concentration of hexavalent chromium in water.

The PhotoTek 6000 Permanganate Index Automatic Online Water Quality Monitor is designed for permanganate index monitoring in various water bodies, including surface water, source water and drinking water. It is an online automatic monitoring instrument capable of continuous online monitoring, analysis, real-time data reading, storage and data uploading.

The high-chloride COD automatic online water quality analyzer is a dedicated product independently developed by Lonstone, specially designed for wastewater from high-chloride industries and seawater. Its maximum tolerance for chloride ions reaches 100,000 mg/L, enabling accurate measurement of water samples with high chloride content and low COD concentration.

The MINI6000 intelligent mini water quality monitoring station adopts a modular design with high integration and small footprint, adapting to on-site application conditions of various water quality monitoring scenarios.

The Total Phosphorus Automatic Online Water Quality Monitor is a new generation of fully automatic online water quality monitoring instrument independently developed by our company. It integrates advanced instrument manufacturing technologies at home and abroad, and adopts the national standard method Ammonium Molybdate Spectrophotometry as the detection principle. Capable of fast, accurate, simple and cost-effective determination of total phosphorus concentration in water, it meets the latest technical requirements of national surface water automatic analytical instruments.

The PhotoTek 6000 Total Nitrogen Automatic Online Water Quality Analyzer is the latest generation of intelligent total nitrogen monitoring instrument manufactured by Shenzhen Lonstone, with CCEP certification obtained. It adopts spectrophotometry for measurement to ensure the accuracy and validity of monitoring data.

Developed by our company with the integration of the latest domestic and international instrument manufacturing technologies, this ammonia nitrogen automatic online water quality monitor is a new-generation fully automatic online water quality monitoring instrument independently researched and developed. It adopts the national standard detection method Water Quality — Determination of Ammonia Nitrogen — Nessler’s Reagent Spectrophotometry as the core detection principle. The instrument can rapidly, accurately, conveniently and cost-effectively measure the ammonia nitrogen concentration in various water bodies, and meets the latest technical requirements for national surface water automatic analytical instruments.

the Total Arsenic Automatic Online Water Quality Monitor is a new-generation arsenic online monitoring device independently researched and developed by our company. It adopts the national standard method Water Quality — Determination of Trace Arsenic — Potassium Borohydride-Silver Nitrate Spectrophotometry as the detection principle and is equipped with dual optical path detection technology.

The Nickel Automatic Online Water Quality Analyzer is a new generation of fully automatic online water quality monitoring instrument independently developed by our company. Combined with advanced instrument manufacturing technologies at home and abroad, it adopts the national standard method — Dimethylglyoxime Spectrophotometry as the detection principle and dual optical path detection technology. It can rapidly, accurately, conveniently and cost-effectively measure the concentration of total nickel in water.