Brand: Erun Environmental protection

Name: Portable ammonia nitrogen analyzer

Brand: Erun Environmental protection

Name: Portable chloride ion detector

Brand: Erun 
 Laboratory bench-top multi-parameter water quality analysis 
number:ERUN-ST6
Parameters: suspended solids, ammonia nitrogen, total hardness, etc.
Brand: Erun
desktop multi-parameter water quality analyzer
Model number:ERUN-ST5
Parameters: copper, iron, nickel, hexavalent chromium, phosphate, nitrite.
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