Product Category
Benchtop pH Meters
TOP INSTRUMENT Potentiostat Electrochemical Test Instrument with USB & Printer | Adjustable Voltage & Current Control for Electrochemical Analysis
TOP INSTRUMENT Benchtop pH/mV Meter PTE920 – High-Accuracy Laboratory pH, ORP & Temperature Measurement
TOP INSTRUMENT Benchtop pH/mV Meter PHS-3D – High-Precision Laboratory pH & ORP Measurement Device
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Portable pH Meters
Portable Pen pH Tester with Automatic 3-Point Calibration, IP65 Waterproof, Temperature Measurement & Backlit LCD Display for Lab and Field Use
Portable pH ORP Meter with Temperature Measurement for Laboratory and Field Use
TOP INSTRUMENT SX-751 Portable 8-in-1 Water Quality Meter Kit (pH/DO/ORP/Conductivity/TDS/Salinity/Resistivity/Temperature)
TOP INSTRUMENT Portable pH/mV Meter PHB-5 – Handheld, Accurate pH & ORP Measurement Device
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Pen-Type pH Meters
Portable Pen pH Tester with Automatic 3-Point Calibration, IP65 Waterproof, Temperature Measurement & Backlit LCD Display for Lab and Field Use
Compact Portable PT-M300 Pen ORP Meter with Backlit LCD – Accurate Redox Potential & Temperature Tester for Lab & Field Use
TOP INSTRUMENT Pocket pH Meter RPB10 – Waterproof, Accurate, Portable pH Measurement Device
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Multi-Parameter Meters
Portable Multi-Parameter Water Quality Detector with GPS | pH, DO, Conductivity & Turbidity Meter | IP67 Waterproof
Portable Multiparameter Water Quality Meter with GPS, IP67 Waterproof, pH/DO/Conductivity/Turbidity/COD/Ammonia Tester
TOP INSTRUMENT SX-751 Portable 8-in-1 Water Quality Meter Kit (pH/DO/ORP/Conductivity/TDS/Salinity/Resistivity/Temperature)
TOP INSTRUMENT Benchtop pH/mV Meter PTE920 – High-Accuracy Laboratory pH, ORP & Temperature Measurement
TOP INSTRUMENT Benchtop pH/mV Meter PHS-3D – High-Precision Laboratory pH & ORP Measurement Device
TOP INSTRUMENT Portable pH/mV Meter PHB-5 – Handheld, Accurate pH & ORP Measurement Device
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Dissolved Oxygen Meter
PT-D300J Pen-Type Dissolved Oxygen Meter | Portable DO Tester with Temperature Compensation for Water Quality Analysis
Portable Dissolved Oxygen Meter with Dual Channel, IP67 Waterproof, Data Storage & USB Rechargeable for Laboratory & Field Use
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Conductivity & TDS Meters
Portable Pen Conductivity Meter with Auto Calibration, IP65 Waterproof, Wide Range Conductivity & TDS Tester for Water Quality Analysis
Portable Conductivity Tester with Temperature, TDS & Salinity Measurement – Waterproof Handheld Water Quality Meter
Portable TDS and Conductivity Meter Pen with Temperature Measurement – Water Quality Tester for Home, Lab, Pool, and Aquaculture
TOP INSTRUMENT SX-751 Portable 8-in-1 Water Quality Meter Kit (pH/DO/ORP/Conductivity/TDS/Salinity/Resistivity/Temperature)
PDB-305 Portable Conductivity Meter 0–20mS/cm | Field-Ready Lab Conductivity & Temperature
PDS-307 Benchtop Conductivity Meter 0–20mS/cm | Accurate Lab Conductivity & TDS Measurement
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Electrodes & Probes
pH Electrodes
Conductivity Electrodes
Ion-Selective Electrodes
Dissolved Oxygen Electrodes
ORP Electrodes
Reference Electrodes
Titration Electrodes
Temperature Probes
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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