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Laboratory Water Purification
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Laboratory Water Purification

Laboratory water purification systems are essential for producing high-quality water required in a wide range of scientific, analytical, and industrial applications. From general-purpose pure water to ultra-high purity water used in sensitive procedures, reliable water purification is a critical part of maintaining accurate and reproducible results in the lab.


Our Laboratory Water Purification category covers a complete range of solutions to meet diverse water quality requirements:

  • Pure Water Systems
    Designed for routine laboratory tasks, these systems produce Type II or Type III water suitable for buffer preparation, media production, and general cleaning. They often integrate reverse osmosis, deionization, and activated carbon filtration to ensure consistent water quality.

  • Ultrapure Water Systems
    Engineered for applications that demand Type I water, including HPLC, molecular biology, and cell culture. These systems provide water with resistivity up to 18.2 MΩ·cm and low total organic carbon (TOC), supporting contamination-sensitive workflows.

  • Water Distillers
    Reliable and cost-effective solutions for producing distilled water in the lab. Available in single or double distillation configurations, they are ideal for applications that require stable water quality with minimal maintenance.

  • Reverse Osmosis Systems
    These systems serve as primary water treatment units, effectively removing ions, particles, bacteria, and organic compounds. Often used as a pre-treatment step for pure or ultrapure water production, reverse osmosis units ensure efficiency and extend the lifespan of downstream components.

  • Water Purification Accessories
    A full selection of essential components including replacement cartridges, UV lamps, pre-filters, storage tanks, and tubing. These accessories are designed to optimize performance, maintain compliance, and ensure the long-term reliability of your water purification systems.

  • Water Quality Monitoring Devices
    Accurate water quality control is critical for consistent laboratory results. We provide a range of conductivity meters, resistivity sensors, TOC monitors, and flow cells for real-time monitoring of purified water output, helping laboratories maintain high standards and meet regulatory requirements.


Whether you need purified water for basic laboratory operations or ultrapure water for high-precision analysis, our complete portfolio of laboratory water purification solutions ensures reliable performance and compliance with global laboratory standards.


  • P-MICRO Ultra-Pure Water Purifier 10/20/30 LPH Deionized Lab Water System with RO & DI Filtration
    Model: P-MICRO Series
    Production Capacity: 10 / 20 / 30 LPH
    Water Quality: RO water ion rejection 97%-99%, DI water resistivity 10–16 MΩ·cm, conductivity <0.1 μS/cm, TOC <30 ppb, bacteria <0.01 cfu/ml
    Input Water Requirements: Urban tap water, pressure 0.15–0.5 MPa, temperature 5–40℃
    Electrical Requirements: 100–240V, 50/60Hz, 48–72W
    Features: Dual water intakes (pure & deionized), online water quality monitoring, automatic RO membrane flushing, easy front & back filter replacement, portable TDS pen included
    System Configuration: Host machine with purification column, 12L pressure barrel, TDS pen, accessories package
     
    Model: P-MICRO series
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  • P-G Series Deionized Water Purifier | High-Purity Laboratory RO & DI Water System 45–120 LPH
    Water production capacity: 45/60/90/120 LPH
    Resistivity: 10–16 MΩ·cm @25℃, Conductivity: <0.1 μS/cm
    Heavy metal ions: <0.01 ppb, Total Organic Carbon (TOC): <30 ppb, Bacteria: <0.01 cfu/ml
    Dual water outlets: RO water and deionized water, Online water quality monitoring
    Fully automatic microcomputer control with dual LCD screens and real-time status display
    Automatic RO membrane anti-scaling and timed flushing program to extend membrane life
    Floor-standing design with 12L pressure barrel and TDS pen, easy installation and maintenance
     
    Model: P-G series
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  • P-SML Deionized Water Purifier | High Purity Laboratory DI Water System 10–30 LPH
    Water production capacity: 10/20/30 LPH
    Resistivity: 10–16 MΩ·cm @25℃, Conductivity: <0.1 μS/cm
    Heavy metal ions: <0.01 ppb, Total Organic Carbon (TOC): <30 ppb
    Bacteria: <0.01 cfu/ml, High ion & organic matter rejection >97%
    Microcomputer controlled with LED LCD display and alarm functions
    Quick-insert and exposed filter cartridges for easy replacement
    Electrical requirements: 100–240V, 50/60Hz, Power: 48–72W
     
    Model: P-SML series
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  • PZ5Z Electric Heating Water Distiller | Stainless Steel Laboratory Water Distiller 5L/h
    Water output: ≥5L/h distilled water
    Power supply: 220V/50Hz, Power: 4.5kW
    Stainless steel chamber with seamless condenser for high efficiency
    Copper immersion electric heating tube for better heat transfer
    Automatic water shortage protection with resume heating
    Drain valve prevents bilge and ensures easy operation
    Product size: 35×34×78 cm | Net weight: 5kg | Gross weight: 7kg
     
    Model: PZ5Z
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  • Re-distilled Water Distiller PZ5C | Stainless Steel Laboratory Water Purification System ≥5L/h
    Water output: ≥5L/h high-purity re-distilled water
    Power supply: 380V/50Hz | Power consumption: 10kW
    Dual-container stainless steel structure with seamless condenser
    Automatic water shortage protection with resume heating function
    Composed of first and second distillation systems with dual control
    Product size: 45×68×84 cm | Net weight: 13kg | Gross weight: 28kg
     
    Model: PZ5C
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  • Tower Steam Re-distilled Water Distiller PZ50 | Stainless Steel Laboratory Distilled Water Machine ≥50L/h
    Water output: ≥50L/h high-purity distilled water
    Steam supply pressure: 0.4MPa | Cooling water pressure: 0.2MPa
    Steam consumption ratio: ≈1:1 | Water consumption ratio: ≤1:14
    Construction: Seamless stainless-steel tower, condenser, and pipelines
    Energy-saving design with high-temperature steam heating
    Product size: 75×65×145 cm | Net weight: 55kg | Gross weight: 88kg
     
    Model: PZ50
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  • Online UV COD TOC Turbidity Sensor | RS485 MODBUS Water Quality Analyzer with Automatic Cleaning
    COD Range: 0–600 mg/L (±5% F.S, 0.1 mg/L resolution)
    TOC Range: 0–240 mg/L (±5% F.S, 0.1 mg/L resolution)
    Turbidity Range: 0–300 NTU (±5% F.S, 0.1 NTU resolution)
    Light Source: 254nm UV-LED with 365nm turbidity compensation
    Interface: RS-485 MODBUS, 4–20mA output
    Operating Conditions: 5–40℃, max depth 10m, IP68 protection
    Installation: Flow cell or submersible mounting, 10m cable
     
    Model: TUV254
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  • PT-DC908 Digital Ozone Sensor with RS485 MODBUS, 0–20 mg/L Measurement, Stainless Steel Housing, Temperature Compensation, Online Water Quality Monitoring
    Measuring Range: 0.00–20.00 mg/L Ozone, Resolution: 0.01 mg/L, Accuracy: ±5% F.S
    Temperature Range: -10.0–110.0℃, Accuracy: ±0.5℃, Auto/Manual Compensation
    Communication: RS-485, MODBUS-RTU protocol, bidirectional data transmission
    Power Supply: 9–27 VDC, Low power consumption <0.5 W, Isolation strength 2500 Vrms
    Housing Material: 316 Stainless Steel, Corrosion-resistant, IP-rated durability
    Installation: PG13.5 thread, Easy mounting, 5 m cable included
    Dimension: Φ64 mm × 271 mm, Compact design for industrial applications
     
    Model: PT-DC908
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  • PT-DE26 Online Conductivity Sensor – RS485/MODBUS, Temperature Compensated, IP68 Waterproof, 0–200 mS/cm
    Measuring Range: 0–20 mS/cm, 0–200 mS/cm | Accuracy: ≤±1% | Response Time: ≤15 s
    Measured Variables: Conductivity, Resistivity, TDS, Salinity | Temperature Range: 0–60℃, Accuracy: ≤±0.3℃
    Built-in temperature sensor with automatic water temperature compensation
    Digital Output: RS-485, MODBUS-RTU; Two-way communication, low power consumption (0.5 W)
    Construction: Graphite electrode, ink/epoxy/ABS housing, 316L liquid connection, IP68 waterproof
    Installation: Flow-through tank, pipe, or sink mounting; Coaxial design ensures stability and anti-interference
    Power Supply: 12–24 VDC; Cable length: 5 m standard, customizable
     
    Model: PT-DE26
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  • PT-DH320 Online Water Hardness Sensor – Digital ISE Ion Sensor, High Accuracy, RS485/MODBUS, IP68 Waterproof
    Measurement Range: 0.2–40000 ppm, Resolution: 0.001 mg/L, Accuracy: ±5% F.S
    Temperature Range: 0–50℃, Resolution: 0.1℃, Accuracy: ±0.5℃, Automatic Temperature Compensation
    Digital Output: RS485, MODBUS-RTU; Easy integration with PLCs, computers, and IoT systems
    Two-point calibration; Adjustable slave address, baud rate, range, and coefficients online
    Housing Material: PPS, ABS, PC+Stainless Steel; Protection Grade: IP68
    Installation: Flow cell, Submerged, 3/4″ NPT threads; Cable length: 5 m
    Low power consumption: <1 W; Compact dimensions: Φ39×205 mm
     
    Model: PT-DH320
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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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