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Water Quality Testing Equipment
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Water Quality Testing Equipment

Water quality testing equipment is essential for accurately assessing the chemical, physical, and biological characteristics of water across a wide range of applications, including environmental monitoring, wastewater treatment, drinking water analysis, aquaculture, and industrial process control. This product category includes a comprehensive selection of instruments designed to meet professional standards for precision, reliability, and compliance with international testing protocols.


Our offerings cover a full spectrum of parameters critical to water quality evaluation. Multiparameter Water Quality Meters provide efficient, all-in-one testing solutions for simultaneous measurement of pH, conductivity, dissolved oxygen, turbidity, and more. For field-based applications, Portable Water Quality Analyzers deliver real-time results in compact, rugged formats.

Key single-parameter instruments include COD Analyzer, Turbidity Meters (Turbidimeters), and Residual Chlorine Analyzer, each designed to meet specific regulatory and operational needs COD、NH3N、TP、TN Analyzer .

Platinum–Cobalt Colorimeter support rapid colorimetric analysis based on standard methods such as APHA platinum-cobalt, ideal for visual clarity and color contamination monitoring. Our Online Water quality instruments offer enhanced real-time monitoring and optimized data transmission, enabling faster, more reliable, and continuous water quality management.


Whether for regulatory compliance, environmental stewardship, or quality assurance, our water quality testing instruments are designed to deliver reliable data, streamline workflows, and support informed decision-making.


  • Benchtop Colorimeter P9012A | High-Precision Chromaticity Analyzer for Water and Industrial Applications
    Measuring Range: 0–50 / 0–500 NTU, chromaticity units Hazen, Pt-Co, PCU, mg Pt/L
    Minimum Readout: 0.1 NTU / chromaticity
    Accuracy & Repeatability: ±3% F.S, repeatability ≤1.5%
    Features: Microcomputer system, touch keyboard, LCD backlit display, direct chromaticity reading, turbidity compensation, self-diagnosis prompts
    Calibration: Programmable multi-point calibration (1–7 points) for high accuracy
    Data Storage: Built-in clock memory, stores latest 20 measurement sets, long-term storage and recall
    Power & Interface: AC 220V ±10% 50Hz/5W, standard RS232 interface, optional built-in printer
     
    Model: P9012A
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  • P9012C Platinum Cobalt Colorimeter | High-Precision Hazen Pt-Co PCU Analyzer for Water and Industrial Applications
    Measuring Range: 0–50 / 0–500 Hazen, Pt-Co, PCU, mg Pt/L
    Minimum Readout: 0.1 degrees
    Accuracy & Repeatability: ±5% F.S, repeatability ≤1.5%
    Features: Microcomputer system, touch keyboard, LCD backlit display, direct chromaticity reading, turbidity compensation, self-diagnosis prompts
    Calibration: Fast, programmable 1–7 point automatic multi-point calibration
    Data Storage: Built-in clock memory, stores latest 20 measurement sets, long-term storage and recall
    Power & Interface: AC 220V ±10% 50Hz/5W, standard RS232 interface, printer-compatible
     
    Model: P9012C
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  • P9012AB Portable Colorimeter | High-Precision Hazen Pt-Co PCU Water Quality Analyzer
    Measuring Range: 0–50 / 0–500 Hazen, Pt-Co, PCU, mg Pt/L
    Minimum Readout: 0.1 chromaticity
    Accuracy & Repeatability: ±3% F.S, repeatability ≤1.5%
    Features: Portable microcomputer system, touch keyboard, LCD backlit display, turbidity compensation, self-diagnosis, direct chromaticity reading
    Calibration: Fast, programmable 1–7 point automatic multi-point calibration
    Data Storage: Built-in clock memory, stores latest 20 measurement sets, long-term storage and recall
    Power & Interface: AC 220V/50Hz or DC 7.5V/0.2A, RS232 interface, optional micro-printer
     
    Model: P9012AB
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  • P9011B Portable Platinum-Cobalt Colorimeter | Accurate Water Chromaticity Analyzer
    Measuring Range: 0–50 Hazen, Pt-Co, PCU, mg Pt/L
    Minimum Readout: 1 chromaticity
    Accuracy & Repeatability: ±5% F.S, repeatability ≤3%
    Features: Portable design, AC/DC power, low voltage indication, automatic shutdown, stable and maintenance-free operation
    Display & Measurement: Large LCD digital display, high-precision optical path, direct reading using platinum-cobalt standard solution
    Light Source: High-intensity, long-life, works after 30 seconds warm-up
    Technology: Photoelectric colorimetry with multiple independent design patents
     
    Model: P9011B
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  • P9012CB Handheld Portable Colorimeter | Accurate Water Chromaticity Analyzer
    Measuring Range: 0–50, 0–500 Hazen, Pt-Co, PCU, mg Pt/L
    Minimum Readout: 0.1 chromaticity
    Accuracy & Repeatability: ±5% F.S, repeatability ≤1.5%
    Features: Handheld, portable, AC & DC dual power, low voltage indication, automatic power off, can be equipped with micro-printer
    Display & Measurement: LCD backlit display, direct chromaticity reading, turbidity compensation system
    Calibration: Programmable 1–7 point automatic multi-point calibration
    Light Source & Durability: High-intensity 100,000-hour long-life light source, maintenance-free, built-in memory storage for last 20 measurements
     
    Model: P9012CB
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  • P9011 Benchtop Platinum-Cobalt Colorimeter | Accurate Water Chromaticity Analyzer
    Measuring Range: 0–50 Hazen, Pt-Co, PCU, mg Pt/L
    Minimum Readout: 1 chromaticity
    Accuracy & Repeatability: ±5% F.S, repeatability ≤3%
    Features: Desktop type, stable performance, maintenance-free, cost-effective
    Display & Measurement: Large-screen LCD digital display, direct chromaticity reading
    Calibration & Method: Photoelectric colorimetry, calibrated with platinum-cobalt standard solution
    Light Source & Durability: High-intensity, long-life light source, ready in 30 seconds
     
    Model: P9011
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  • Portable TOC Online Detector for Pharmaceutical & Purified Water | Real-Time Total Organic Carbon Monitoring with Touchscreen
    Real-time online TOC detection with measurement range 0.05–2000 ppb and detection limit 0.1 ppb
    Portable design with touchscreen interface and large data storage capacity
    No gas or reagents required, minimal maintenance with no moving parts
    Automatic alarm and control signal output when TOC exceeds set limits
    Suitable for pharmaceutical water, purified water, injection water testing, and environmental monitoring
    Flow rate: 2–5 mL/min; operating temperature: 1–50°C
    Compact size: 400×300×400 mm, stainless steel shell
     
    Model: P-TOC-50B
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  • Portable Microbial Online Detection Instrument for Real-Time Water Quality Monitoring with 10,000 CFU Range
    Continuous microbial detection with 0–10,000 CFU/100ml range and 1 CFU precision
    Real-time results with 15-second frame response time and 10-minute initial response
    Portable design with 10-inch high-precision touchscreen and 32-bit data processor
    Suitable for purified water, ultrapure water, and water for injection (WFI)
    Data output via USB and 4-20 mA configurable analog signal
    Operating temperature range: 5°C–60°C; noise level ≤ 40dB(A)
    Stainless steel housing (40×40×25 cm), weighing 11 kg
     
    Model: P-CFU-1000A
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  • Portable TOC Online Detector P-TOC-50AH for Pharmaceutical & Purified Water – High Accuracy, Fast Response, Touch Screen Display
    Portable TOC online detector with color touch screen
    Measurement range: 0.05–2000 ppb; detection limit: 0.03 ppb; resolution: 0.01 ppb
    High accuracy ±4%, fast response time: 60 seconds, single detection time: 15 seconds
    Suitable for high-temperature sample testing (1–100℃)
    No reagents or gas required, minimal maintenance, automatic alarm on exceeding preset limits
    Large data storage with test data export capabilities
    Applications: Pharmaceutical water, purified water, injection water, and cleaning validation
     
    Model: P-TOC-50AH
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  • Portable TOC Online Detector for Pharmaceutical Purified Water – High Sensitivity Total Organic Carbon Analyzer with Touch Screen
    Measuring range: 0.05 ppb – 2000 ppb (μg/L)
    Detection limit: 0.03 ppb (μg/L) with 0.01 ppb resolution
    Accuracy: ±4%, repeatability ≤ 2%
    Sample temperature range: 1–50°C, flow rate 2–5 mL/min
    Initial response time: 60 seconds; single analysis time: 15 seconds
    Portable design with color touch screen and Chinese display
    Applications: Online & lab testing of pharmaceutical purified and injection water
     
    Model: P-TOC-50A
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To Make The World Closer To The Truth
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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