This product is a new type of online sensor for water quality potassium ion independently developed by ERUN Group. It features high stability and high precision. The sensor can automatically detect temperature and perform automatic temperature compensation, enabling accurate measurement of potassium ion concentration and temperature in solutions.
It is widely used for continuous real-time monitoring of potassium ions in various applications, including wastewater, boiler water, aquaculture, as well as the biological and pharmaceutical industries.

This product is a new type of online water quality copper ion sensor independently developed by ERUN Group. It has the characteristics of high stability, high precision, etc., can automatically detect temperature and perform automatic temperature compensation, and can accurately measure the copper ion value and temperature value in the solution. It is widely used for continuous real-time monitoring of copper ions in drinking water, sewage, boiler water, aquaculture and biological medicine industries.

Brand：Erun  
Online Copper Ion Sensor 

Model：ERUN-H6B

Brand：Erun  
Online Copper Ion Sensor for Water Quality
Model：ERUN-H6A

This product is a new type of online water quality calcium ion sensor independently developed by ERUN Group. It has the characteristics of high stability, high precision, etc., can automatically detect temperature and perform automatic temperature compensation, and can accurately measure the calcium ion value and temperature value in the solution. It is widely used for continuous real-time monitoring of calcium ions in sewage, drinking water, boiler water, aquaculture water and biological medicine industries.

Brand：Erun  
Water Quality Calcium Lon Online Sensor
Model：ERUN-M7B
This product is a new type of online water quality calcium ion sensor independently developed by ERUN Group. It has the characteristics of high stability, high precision, etc., can automatically detect temperature and perform automatic temperature compensation, and can accurately measure the calcium ion value and temperature value in the solution. It is widely used for continuous real-time monitoring of calcium ions in sewage, drinking water, boiler water, aquaculture water and biological medicine industries.

Brand：Erun  
Online Ammonium Ion Water Quality Sensor

Model：ERUN-M4C 

Brand: ERUN
Name： Portable Dissolved Oxygen Meter
Model： ERUN-SP9-A5DO: (Oxygen Electrode Method)
ERUN-SP9-A5 Portable Dissolved Oxygen Meter, independently developed and manufactured by Erun Environmental Protection. Stable performance, easy operation, supports one-handed use, suitable for rapid measurement of dissolved oxygen concentration (mg/L or ppm), oxygen saturation (%), and water temperature (°C) in aqueous solutions across various industries.The instrument is equipped with a dedicated dissolved oxygen electrode, enabling precise detection of dissolved oxygen levels in water across a wide range of applications.

Brand: Erun
Title: Portable handheld PH water quality meter
Model:ERUN-SP8-ASC-B7
Parameter: PH

Brand: Erun
Title：Benchtop touch screen PH acid meter
Model：ERUN-ST3-PL
Parameters: PH

Brand: Erun
Title：Portable handheld dissolved oxygen water quality meter
Model: ERUN-SP8-ASC-A5
Parameter: DO

Brand：Erun
Name: Pen Conductivity/TDS Meter
Model：ERUN-SQ-DE2
Parameter：Conductivity, TDS