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 Dissolved Oxygen Meters, Turbidity Meters (Turbidimeters), and Chlorine Testers, each designed to meet specific regulatory and operational needs. COD and BOD Analyzers play a vital role in measuring organic pollution levels, while Heavy Metal Analyzers enable precise detection of toxic elements like lead, mercury, and arsenic in various water samples.

Colorimeters support rapid colorimetric analysis based on standard methods such as APHA platinum-cobalt, ideal for visual clarity and color contamination monitoring. Water Quality Test Kits offer simplified, cost-effective testing for routine checks in field and educational settings. For sample integrity and consistent results, Water Sampling Equipment ensures proper collection and handling protocols are followed. Additionally, Laboratory Water Quality Instruments provide high-precision bench-top solutions for research and advanced analysis in controlled environments.


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 Water Colorimeter
    Model: P9011
     
    1. Type: Desktop
    2. Testing method: Platinum cobalt standard colorimetric method.
    3. Measuring range: 0-50 chromaticity (Hazen, pt-co, pcu mg Pt/L)
    4. Min. readout: 1 chromaticity
    5. Error: ±5%FS
    6. Repeatability:≤3%
    Model: P9011
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  • Portable Colorimeter For Water Quality Testing
    Model: P9012AB
     
    1. Type: Portable
    2. Testing method: Platinum cobalt standard colorimetric method.
    3. Measuring range: 0-50,0-500chromaticity (Hazen, pt-co, pcu mg Pt/L)
    4. Min. readout: 0.1 chromaticity
    5. Error: ±3%FS
    6. Repeatability:≤1.5%
    Model: P9012AB
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  • Handheld Colorimeter
    Model: P9012CB
     
    1. Type: Portable
    2. Testing method: Platinum cobalt standard colorimetric method.
    3. Measuring range: 0-50,0-500chromaticity (Hazen, pt-co, pcu mg Pt/L)
    4. Min. readout: 0.1chromaticity
    5. Error: ±5%FS
    6. Repeatability:≤1.5%
    Model: P9012CB
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  • Portable Water Colorimeter
    Model: P9011B
     
    1. Type: Portable
    2. Testing method: Platinum cobalt standard colorimetric method.
    3. Measuring range: 0-50 chromaticity (Hazen, pt-co, pcu mg Pt/L)
    4. Min. readout: 1 chromaticity
    5. Error: ±5%FS
    6. Repeatability:≤3%
    Model: P9011B
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  • Platinum Cobalt Colorimeter
    Model: P9012C
     
    1. Type: Desktop
    2. Testing method: Platinum cobalt standard colorimetric method.
    3. Measuring range: 0-50,0-500chromaticity (Hazen, pt-co, pcu mg Pt/L)
    4. Min. readout: 0.1
    5. Error: ±5%FS
    6. Repeatability:≤1.5%
    Model: P9012C
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  • Benchtop Colorimeter For Water Quality Testing
    Model: P9012A
     
    1. Type: Desktop
    2. Testing method: Platinum cobalt standard colorimetric method.
    3. Measuring range: 0-50,0-500chromaticity (Hazen, pt-co, pcu mg Pt/L)
    4. Min. readout: 0.1chromaticity
    5. Error: ±3%FS
    6. Repeatability:≤1.5%
    Model: P9012A
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  • Benchtop Turbidity Meter, Easy-to-use
    Model: PGZ-1、200、800
     
    1. Type:Desktop
    2. Principle:90 º scattered light
    3. Measuring range (NTU):0-20、0-200、0~800
    4. Min. readout (NTU):0.01, 0.1
    5. Error:±6%(±2.5%F.S)
    6. Repeatability:≤0.5%
    7. Zero drift:±0.5%F.S
    Model: PGZ-1、200、800
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  • Turbidity Meter, Precision type
    Model: PGZ-2000、2000A、4000、4000A100
     
    1. Type:Desktop
    2. Principle:90 º scattered light
    3. Measuring range (NTU):0~10、0~100、0~1000、0~2000、0~4000
    4. Min. readout (NTU):0.001, 0.01
    5. Error:±6%(±2%F.S、±3%F.S、±5%F.S)
    6. Repeatability:≤0.5%
    7. Zero drift:±0.5%F.S
    Model: PGZ-2000、2000A、4000、4000A100
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  • Handheld Digital Turbidity Meter
    Model: PGA - B Series
     
    1. Type:Portable
    2. Principle:90 º scattered light
    3. Measuring range (NTU):0-20、0-200
    4. Min. readout (NTU):0.01, 0.1
    5. Error:±8%(±2.5%F.S)
    6. Repeatability:≤1%
    7. Zero drift:±1%F.S
    Model: PGA - B Series
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  • Benchtop Turbidity Meter
    Model: PGZ - A Series
     
    1. Type:Desktop
    2. Principle:90 º scattered light
    3. Measuring range (NTU):0-20、0-200、0-10、0-100、0-500、0-50、0-1000
    4. Min. readout (NTU):0.01, 0.001
    5. Error:±6%(±2%F.S)
    6. Repeatability:≤0.5%
    7. Zero drift:±0.5%F.S
    Model: PGZ - A Series
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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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