Brand: Erun
Pen type residual chlorine/dissolved ozone meter
Model: ERUN-SP3-DE3
Parameters: residual chlorine, ozone
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
Brand: Erun
four-parameter water disinfectant tester
Model: ERUN-SP7-4
Parameters: residual chlorine/total chlorine/ozone/chlorine dioxide
Brand: Erun
Portable hydrogen conductivity analyser for thermal power plants
Model: ERUN-SP3-A4
Parameter: Hydrogen conductivity
Brand: Erun
Hand-held 5-parameter water quality analysis instrumentation
Model: ERUN-SP8-ASC-5
Parameters: temperature, PH, dissolved oxygen(DO), conductivity, turbidity
Brand: Erun
Portable water quality heavy metal tester
number: ERUN-SP7
Parameters: Copper, mercury, zinc, chromium, lead, etc.
Brand: Erun
Portable Fish Pond Aquaculture Water Quality Tester
number: ERUN-SP7
Parameters: PH, nitrite, ammonia, dissolved oxygen, etc.
Brand: Erun
Portable heavy metal water quality tester
number: ERUN-SP7
Parameters: Copper, mercury, zinc, chromium, lead, etc.
Brand: Erun
Portable Pool Water Quality Tester
Model: ERUN-SP7-8
Parameters: residual chlorine, pH, turbidity, urea, etc.
Brand: Erun
Portable water quality microorganism detector
Model: ERUN-SP3-L
Parameters: Microorganisms
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