Brand: Erun
Portable multi-parameter water quality tester
number: ERUN-SP7
Parameters: COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, copper, etc.
Brand: Erun
INTELLIGENT LABORATOR multi-parameter water quality tester
number: ERUN-ST7
Parameters:  ammonia nitrogen, PH, hardness.
Brand: Erun
Laboratory bench-top multi-parameter water quality analysis tester
number: ERUN-ST7
Parameters: COD, ammonia nitrogen, total phosphorus, total nitrogen, hardness, 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
Water quality sodium Na online analyzer
Model: ERUN-SZ3-M6
Parameter: Sodium
Brand: Erun
Water quality silicate on-line analyzer
Model: ERUN-SZ3-C5
Parameter: silicate
Brand: Erun environmental protection
Name: Portable water quality chloride ion (chloride) tester
Model Number:ERUN-90-C4
Parameters: Chloride ion (spectrophotometric method-thiocyanate color ratio method)
Brand: Erun environmental protection
Name: Laboratory bench top water chloride (chloride ion) tester
Model Number:ERUN-97-C4
Parameters: Chloride ion (spectrophotometric method-thiocyanate color ratio method)
Brand: Erun environmental protection
Name: Water quality sulfite determination reagent vessel
Model Number:ERUN-SF50
Parameters: sulfite (iodimetry)
Brand: Erun 
Name: Portable Phosphate ions tester
Model: ERUN-SP5-E3
Parameter: phosphate
Brand: Erun environmental protection
Name: Portable water quality phosphate (phosphate ions) tester
Model number: ERUN-90-P2
Parameter: Phosphate (phosphate  ions)(Ammonium molybdate Spectrophotometer)
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