Brand: Erun
Name: Real-Time Cu²+ Water Quality Monitoring Probe
Model: ERUN-H6C
Parameter: Copper Ion 

Brand：Erun
Online Copper Ion Sensor
Model：ERUN-H6B
Parameter: Copper Ion 

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

Brand: Erun
Name:Online Calcium Ion Sensor for Water Quality Monitoring
Model:ERUN-M7A
Parameter: Calcium Ion

Brand：Erun  
Water Quality Calcium Lon Online Sensor
Model：ERUN-M7B
Parameter: Calcium Ion

Brand：Erun
Online Ammonium Ion Water Quality Sensor
Model：ERUN-M4C 
Parameter: Ammonium Ion

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

Brand:ERUN
Title:Pen ORP meter 
Model: ERUN-SQ-DE5
Parameter: ORP