Product Category
Multiparameter Water Quality Meters
Portable Multi-Parameter Water Quality Analyzer – 38 Parameters, 45 Calibration Curves
Portable Multiparameter Water Quality Tester for Residual Chlorine, pH, Dissolved Oxygen & Heavy Metals with OLED Display
Portable Multi-Parameter Water Quality Tester with Residual Chlorine, pH, Ozone, and More | Waterproof OLED Display Water Analyzer
PSZ-20D Portable Multi-Parameter Water Quality Analyzer | Field and Laboratory Water Testing Device
Portable Multiparameter Water Quality Tester for Ammonia Nitrogen, Residual Chlorine, pH, Dissolved Oxygen & More – OLED Display, IP65 Waterproof
Portable Residual Chlorine and Multi-Parameter Water Quality Tester with OLED Display, IP65 Waterproof, Rechargeable Battery
Portable Residual Chlorine, pH & Urea Water Quality Tester with OLED Display – Multi-Parameter Portable Water Analyzer for Environmental & Industrial Use
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Online Instrument
Online Water Quality Analyzer
Online Water Quality Controller
Online Water Quality Sensor
Auxiliary Instruments
16-Well Multi-Functional Water Sample Digester with Dual Temperature Control for COD, Total Nitrogen, Phosphorus and Heavy Metals
Multi-Channel Sealed Micro-Reflow Digestion System for Water and Environmental Sample Analysis with 7-Inch Touch Screen
Digital Colony Counter Series – Semi-Automatic Models PK-97SI & PLN-50S with LED Display and Probe Pen
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COD Analyzer
Portable COD Analyzer PCOD-810 – Rapid Water COD Testing with Catalytic Digestion and Narrowband Optical System
PCOD-3M COD Analyzer – Fast and Accurate Water COD Testing with Sealed Digestion and Touch Screen Display
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COD、NH3N、TP、TN Analyzer
Portable Ammonia Nitrogen Meter | Nano Reagent Photometric Method Water Quality Analyzer for Aquaculture, Sewage & Environmental Monitoring
Portable Multiparameter Water Quality Testing Machine – COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen, Heavy Metals, IP65 Waterproof
Multi-Parameter Water Quality Analyzer with IoT, 10-Inch Touchscreen for COD, Ammonia, Total Phosphorus & Nitrogen Testing
Portable Multi-Parameter Water Quality Tester for COD, Ammonia Nitrogen, Total Phosphorus & Total Nitrogen Analysis
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Platinum–Cobalt Colorimeter
PF30 Digital Colorimeter for Textile, Leather, Plastic, and Paint Color Measurement
Benchtop Colorimeter P9012A | High-Precision Chromaticity Analyzer for Water and Industrial Applications
P9012C Platinum Cobalt Colorimeter | High-Precision Hazen Pt-Co PCU Analyzer for Water and Industrial Applications
P9012AB Portable Colorimeter | High-Precision Hazen Pt-Co PCU Water Quality Analyzer
P9011B Portable Platinum-Cobalt Colorimeter | Accurate Water Chromaticity Analyzer
P9012CB Handheld Portable Colorimeter | Accurate Water Chromaticity Analyzer
P9011 Benchtop Platinum-Cobalt Colorimeter | Accurate Water Chromaticity Analyzer
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Residual Chlorine Analyzer
PT-C06F Portable Residual Chlorine Meter | DPD Photometric Water Quality Analyzer for Drinking, Swimming & Environmental Water
P Series Multi-Parameter Water Quality Analyzer | Residual Chlorine, Total Chlorine, Nitrite, Ammonia, Dissolved Oxygen Testing
Portable Residual Chlorine Meter | DPD Photometric Water Quality Analyzer for Drinking, Swimming & Aquaculture Water
Portable Ozone Meter for Water | DPD Photometric Method Ozone Tester, Handheld Water Quality Analyzer
PT-C03F Portable Chlorine Dioxide Meter | DPD Photometric Water Quality Analyzer for Drinking, Swimming & Industrial Water
Portable Residual Chlorine Meter PT-C01F | DPD Photometric Water Quality Analyzer for Drinking, Swimming & Aquaculture Water
Benchtop Water Quality Meter PL Series – Accurate DPD Photometric Detection for Residual Chlorine, CO₂, and Ozone
P93706A Portable Colorimetric Chlorine Analyzer – Accurate Low-Range 0–30 mg/L Water Testing
P93706B High-Range Portable Colorimetric Chlorine Analyzer – Accurate 0–250 mg/L Water Testing
Portable Multi-Parameter Water Quality Meter – Chlorine, CO₂, Ozone Testing with DPD Photometric Method
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Turbidity Meter
Portable Turbidimeter with Dual Detection | 0-20 NTU Range | Red Laser Light Source | IP65 Waterproof
Portable Turbidity and Suspended Solids Meter with Dual 90° & 180° Detectors – ISO7027 Compliant Water Quality Tester
Portable Turbidity Meter with Dual-Channel NIR Light Source | ISO7027 Compliant Turbidimeter
PGZ Series Turbidity Meter – High-Precision Water Turbidity Testing for Pure Water, Mineral Water, and Tap Water
Handheld Digital Turbidity Meter | Portable Water Turbidity Analyzer for On-Site and Laboratory Testing
Portable Turbidity Meter PGA Series – High-Precision Water Turbidity Testing with ISO7027 Standard and 90° Scattered Light
Portable Suspended Solids Analyzer PS Series – Accurate Water Turbidity and Particulate Matter Testing
Suspended Solids Analyzer PS Series – High-Precision Water Turbidity and Particulate Matter Testing
PGZ-1000 Turbidity Meter | High-Accuracy Water Quality Testing Instrument with LCD Touch Screen
PGZ Series Benchtop Turbidity Meter | High-Precision Water Turbidity Analyzer for Laboratory and Industrial Applications
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To Make The World Closer To The Truth
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ZHEJIANG TOP INSTRUMENT CO.,LTD., as a subsidiary of TOP Cloud agri, is a high-tech enterprise specializing in the R&D, manufacturing, sales for laboratory equipments, and provision of comprehensive laboratory solutions.
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