Brand: Erun
Portable multi-parameter water quality tester
number: ERUN-SP7
Parameters: COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, copper, etc.

Brand: Erun
Portable water pollution monitoring equipment
Model number: ERUN-SP6-4
Parameters: COD, ammonia nitrogen, total phosphorus, total nitrogen.

Brand: Erun
Portable water pollution monitoring equipment
Model number: ERUN-SP7-4
Parameters: COD, ammonia nitrogen, total phosphorus, total nitrogen.

Brand: Erun environmental protection
Name: laboratory bench top boiler water quality oil detector
Model number: ERUN-ST-OD380
Parameters: Oil(Infrared spectrometry)

Brand: Erun environmental protection
Name: Portable water quality chemical oxygen demand COD analyzer
Model number：ERUN-97-C2
Erun environmental protection research and development, production of Portable water quality chemical oxygen demand COD analyzer, using manganese method to determine the COD in water, also known as CODMn or permanganate index, widely used in environmental monitoring, sewage treatment, universities, scientific research institutions and other departments.

Brand: Erun environmental protection
Name: Laboratory bench-top water quality chemical oxygen demand COD analyzer
Model number：ERUN-97-C1
Parameters:Chemical oxygen demand COD (closed digestion colorimetric method)

Brand: Erun
Laboratory benchtop water quality total organic carbon TOC analyzer
Model: ERUN-ST3-J3
TOC (UV oxidation with infrared detection)

Brand：Erun  
On-line analyzer for oil (PAHs) water quality in water

Model：ERUN-SZ2-B-J4C

Brand：Erun  
COD online water quality monitor

Model：ERUN-SZ2-B-J5

Brand：Erun  
Oil in water online water quality monitor

Model：ERUN-SZ2-B-J4

Brand: Erun
Intelligent BOD water quality tester
Model: ERUN-SLBOD-B
BOD (5-day incubation method)

Brand: Erun
Name: Portable infrared oil meter
Model: ERUN-SP3-J4
Parameter: Oil