Brand：Erun  
Dissolved oxygen water quality on-line analyzer

Model：ERUN-SZ1-A-A5

Brand: Erun
Precision PH/mV/conductivity/dissolved oxygen multi-parameter meter
Model number:ERUN-ST3-DB6
Parameters: PH/mV/Conductivity/Dissolved Oxygen

Brand: Erun
Laboratory water quality dissolved oxygen(DO) tester
Model:ERUN-ST7-A5
Parameters:DO (oxygen electrode method)

Brand: Erun 
Portable water quality dissolved oxygen(DO) tester
Model :ERUN-SP7-A5
Parameters:DO(oxygen electrode method)

Brand: Erun
Portable water quality trace dissolved oxygen analyzer
Model: ERUN-SP3-A5
Parameter: (DO)

Brand: Erun environmental protection
Name:Laboratory bench top water quality conductivity TDS total dissolved solids tester
Model Number:ERUN-97-T5
Parameters: conductivity TDS total dissolved solids (electrode methods)

Brand: ERUN
Name：Portable Dissolved Oxygen Meter
Model：ERUN-SP7-A5DO: (Oxygen Electrode Method)
ERUN-SP7-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 dissolved oxygen water quality meter
Model: ERUN-SP8-ASC-A5
Parameter: DO

Brand：Erun  
On-line analyser for trace dissolved oxygen in water quality
Model：ERUN-SZ4-A-A5
Parameter：dissolved oxygen（DO）

Brand: Erun
Laboratory Plate Dissolved Oxygen Meter
Model number:ERUN-ST3-DC3
Parameters: PH/Conductivity/Dissolved Oxygen

Brand: Erun
Precision Conductivity Dissolved Oxygen Dual Parameter Tester
Model number:ERUN-ST3-DL5
Parameters: Conductivity/Dissolved Oxygen

Brand：Erun  
Online Dissolved Oxygen (DO) Water Quality Monitor

Model：ERUN-SZ2-B-A5