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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.


  • Floor Standing Fully Automatic Ultrapure Water System with RO Membrane, 45-120 LPH, ASTM Type I Ultrapure Water
    Fully automatic microcomputer control with real-time monitoring of power, water production, flushing, and alarms
    Automatic RO membrane anti-fouling and scheduled washing to extend membrane life
    Online monitoring of water flow, pressure, resistivity, and multiple operational statuses
    Water production rates: 45, 60, 90, 120 liters per hour
    Produces ASTM Type I ultrapure water with resistivity of 18.25 MΩ·cm and TOC <3 ppb (model-dependent)
    Equipped with large-capacity 40/60L pressure water storage tank and portable TDS pen
    Floor-standing design with movable/fixed feet and dual water outlets (RO & ultrapure water)
     
    Model: P-E-UP
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  • P-S-UP Series Ultrapure Water System | ASTM Type I Lab Water Purification with RO & Dual Outlets
    Water Output Rate: 45 / 60 / 90 / 120 LPH
    Water Quality: ASTM Type I ultrapure water (18.25 MΩ·cm @ 25℃), TOC < 10 ppb (Low TOC model: < 3 ppb)
    RO Performance: Ion rejection rate 97–99%, organic matter rejection > 99% (MW > 200 Dalton)
    Microbial Control: Bacteria < 1 CFU/mL, endotoxin < 0.001 EU/mL (Low Endotoxin model)
    Dual Water Outlets: RO water & ultrapure water
    Applications: HPLC, ICP-MS, PCR, molecular biology, life science, analytical labs
    Power Supply: 100–240V, 50/60Hz, 48–72W
     
    Model: P-S-UP
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  • Prime Series Ultrapure Water Purification System | 10–30 L/h ASTM Type I Laboratory Water System with RO & TOC Control
    Models: Prime, Prime-F, Prime-V, Prime-VF
    Water Production Rate: 10 / 20 / 30 L/h
    Water Quality: ASTM Type I ultrapure water, resistivity 18.25 MΩ·cm @ 25℃
    RO Ion Rejection Rate: 97–99%; Organic Matter Rejection >99% (MW > 200 Dalton)
    TOC Level: <10 ppb (Prime, Prime-V) / <3 ppb (Prime-F, Prime-VF)
    Bacteria: <1 cfu/ml; Endotoxin <0.001 EU/ml (F and VF models)
    Applications: HPLC, IC, GC, ICP-MS, PCR, molecular biology, life sciences
     
    Model: Prime series
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  • Laboratory Reverse Osmosis Water Purification System – 10 to 200 L/h RO Pure Water Machine for Lab & Industrial Applications
    Water Production Rate: 10 / 20 / 30 / 60 / 120 / 150 / 200 L/h
    Outlet Flow Rate: 1.5–2 L/min (with pressure tank)
    RO Membrane Performance: 97–99% ion rejection, >99% organic & bacterial removal
    Inlet Water Requirements: Tap water, 0.15–0.5 MPa, 5–40 °C, TDS <200 ppm
    System Configuration: RO host + purification column + pressure tank (12–40 L) + TDS meter
    Control & Monitoring: LCD display, online water quality monitoring, automatic flushing
    Applications: Pre-treatment for ultrapure water systems, biochemical analyzers, lab & industrial use
     
    Model: P-RO series
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  • PN-L Series Ultrapure Water Purification System | ASTM Type I Laboratory Water System with RO & TOC Control
    Water Production Rate: 10 / 20 / 30 L/h (customizable models PN-L, PN-L-F, PN-L-V, PN-L-VF)
    Water Type: ASTM Type I ultrapure water; RO water resistivity 18.25 MΩ·cm @ 25°C
    TOC Level: <10 ppb (standard) / <3 ppb (low TOC models)
    Bacteria Removal: <1 cfu/mL (with terminal filter); Endotoxin <0.001 EU/mL (low endotoxin models)
    Feed Water: Tap water, 0.15–0.5 MPa, 5–40°C
    Dimension & Weight: 312 × 475 × 475 mm, ~30 kg
    Applications: HPLC, IC, GC, PCR, molecular biology, life sciences, environmental monitoring
     
    Model: PN-L Series
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  • Ultrapure Water System PN-S Series – Type I Laboratory Water Purification Machine for HPLC, PCR, Molecular Biology
    Water Production Rate: 10 / 20 / 30 L/h
    Water Quality: ASTM Type I ultrapure water, 18.25 MΩ·cm resistivity @ 25°C
    TOC Content: <10 ppb (standard), <3 ppb (Low TOC models)
    Endotoxin Removal: <0.001 EU/ml (Low Endotoxin models)
    Bacteria: <1 CFU/ml with terminal filter
    Source Water: Tap water, 0.15–0.5 MPa, 5–40°C
    Applications: HPLC, IC, GC, PCR, molecular biology, life sciences, trace analysis
     
    Model: PN-S Series
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  • PT Series Laboratory Sewage & Wastewater Treatment Equipment – Automated PLC-Controlled Wastewater Purification System for Labs
    Water Treatment Capacity: 500L
    Dimensions (L×W×H): 1600 × 800 × 1700 mm
    Input Power: AC220V, ≤2.2KW
    Water Inlet: Self-priming; Water Outlet: Pressurized drainage
    Treatment Process: Acid-base neutralization, micro-electrolysis, flocculation precipitation, multi-stage redox, multi-media filtration, deep membrane treatment, composite sterilization
    Intelligent PLC control with online real-time monitoring of pH, flow, and water pressure
    Remote control and alarm system for medicine shortage, pressure overload, and operational faults
     
    Model: PTSYS-SJ
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  • PT Series Laboratory Sewage and Wastewater Treatment System – Automated Multi-Stage Purification & Online Water Quality Monitoring
    Water treatment capacity: 500L to 10,000L (customizable)
    Dimensions: 2100 × 1000 × 2000 mm
    Water inlet: Gravity + self-priming system
    Operating power: ≤3KW, Input power: AC220V
    Treatment process: Multi-stage oxidation-reduction, acid-base neutralization, micro-electrolysis, flocculation precipitation, multi-media filtration, deep membrane treatment, composite sterilization
    Features: PLC automatic control, real-time online water quality monitoring (pH, flow, pressure), intelligent alarm system, remote monitoring and control via WIFI
    Environmentally friendly design with compact footprint, low noise, and casters for easy movement
     
    Model: PTSYS-S
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  • PT Series Laboratory Sewage and Wastewater Treatment System with PLC Control and Remote Monitoring – 500L Capacity
    Water treatment capacity: 500L
    Dimensions: 1600 × 800 × 1700 mm
    Input power: AC220V, ≤2.2KW
    Water inlet: self-priming; water outlet: pressurized drainage
    Treatment process: acid-base neutralization, micro-electrolysis, flocculation precipitation, multi-stage redox, multi-media filtration, deep membrane treatment, composite sterilization
    Features: PLC intelligent control, real-time online water quality monitoring (pH, flow, pressure), intelligent alarm system
    Connectivity: Remote monitoring and control via WIFI; supports RS232, RS485, GSM, GPRS, TCP/IP, UDP, and 3G
     
    Model: PTSYS500
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  • Laboratory Sewage and Wastewater Treatment System with Automatic Multi-Stage Oxidation and Remote Monitoring | PT Series
    Water treatment capacity: 100L to 1000L, customizable
    Dimensions: 1500×800×1700mm (L×W×H)
    Input power: AC220V, Operating power ≤1.6KW
    Water inlet: self-priming; Water outlet: pressurized drainage
    Treatment process: multi-stage oxidation-reduction, micro-electrolysis, flocculation precipitation, multi-media filtration, deep membrane treatment, composite sterilization
    Features: PLC automatic control, online real-time monitoring (pH, flow, pressure), intelligent alarms, remote WiFi monitoring and control
    Compact design with casters, low noise, no secondary pollution
     
    Model: PTSYS500L
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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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