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Liquid Handling
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Liquid Handling

Liquid Handling is a critical component of modern laboratory workflows, enabling precise measurement, transfer, dilution, and dispensing of liquids across a wide range of applications—from daily pipetting tasks to fully automated sample processing. Our comprehensive product lineup covers manual tools and advanced robotic systems, designed to enhance laboratory efficiency, precision, and reproducibility.


Explore our complete liquid handling product categories:

1. Pipettes & Pipettors

Essential tools for accurate volume transfer, available in a variety of formats to suit every lab need.

2. Pipette Tips & Accessories

High-quality consumables that ensure contamination-free liquid handling and compatibility with leading pipette brands.

3. Bottle Top Dispensers

Accurate and safe dispensing directly from reagent bottles, suitable for a wide range of chemical substances.

4. Electronic Dispensers / Repeaters

Automated tools for rapid, repeat dispensing of reagents and samples—ideal for high-throughput workflows and serial dosing.

5. Peristaltic Pumps

Ideal for continuous, low-shear fluid transfer, especially for sensitive or viscous samples.

6. Syringe Pumps

Deliver ultra-precise fluid control for infusion, dosing, and time-dependent experimental protocols in biological and pharmaceutical research.

7. Reagent Reservoirs

Disposable or reusable reservoirs for multichannel pipettes, ideal for bulk reagent access during plate-based workflows.


Why Choose Our Liquid Handling Solutions?

  • Full-range product coverage—from manual pipetting to robotic automation

  • Compatible with major brands and lab formats

  • Built for precision, contamination control, and durability

  • Supports modern, scalable lab environments and high-throughput research


Whether you're operating in life sciences, clinical diagnostics, pharmaceutical R&D, or academic research, our liquid handling solutions deliver the performance and reliability your laboratory demands


  • Dispensing Pipette
    Manual Dispensing Pipette 10-5000µL – Ergonomic, Positive Displacement Pipette for Accurate Laboratory Liquid Handling
    Type: Manual Dispensing Pipette
    Volume Range: 10 – 5000 µL with adjustable volume selection
    Features: Positive displacement design for accurate dispensing of viscous, volatile, or corrosive liquids
    Tip Compatibility: Compatible with 7 types of dispensing pipette tips, five dispensing volumes selectable per tip
    Operation: Lightweight ergonomic handle, wide finger rest, and easy volume setting with handle chart
    Performance: One suction allows up to 45 continuous dispenses, ensuring fast and efficient liquid handling
    Application: Suitable for sample preparation, PCR, and general laboratory liquid handling
     
    Model: dPipette
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  • Repeater Pipette
    Manual Repeater Pipette 10 µL–5 mL – Ergonomic High-Precision Pipette for Repetitive Laboratory Dispensing
    Type: Manual Repeater Pipette
    Volume Range: 10 µL – 5000 µL per dispense, supports syringe volumes 0.5–50 mL
    Operation: Single-handed operation with up to 48 dispensing steps
    Design: Lightweight, ergonomic, and maintenance-free with durable syringe stop lever
    Tip/Syringe Compatibility: Fits seven sizes of disposable polypropylene syringes, from 0.5 mL to 50 mL
    Accuracy & Precision: High accuracy (±0.2–0.8%) and precision (≤0.7%) depending on volume
    Application: Ideal for clinical, biological, chemical, food & beverage, and pharmaceutical repetitive dispensing
     
    Model: P-StepMate
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  • Mechanical Pipette Filler
    Easy ePipette Controller | Ergonomic Single-Handed Pipette Controller for 0.1–100mL
    Compatible with glass and plastic pipettes, including Pasteur pipettes, 0.1–100 mL
    Single-handed operation with minimal effort and ergonomic design
    Adjustable aspiration and dispensing speed for precise liquid handling
    Equipped with 0.45μm replaceable hydrophobic filter
    High-capacity lithium-ion battery supports over 8 hours of intermittent use
    Fast charging time: 2–3 hours
    Lightweight design at 200 g for comfortable laboratory use
     
    Model: Easy ePipette
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  • Adjustable Glass-Injection Dispenser
    Adjustable Glass-Injection Dispenser | Precise Chemical-Resistant Liquid Dispenser for Laboratory Use
    Adjustable volume range: 0.1–10 mL for precise liquid dispensing
    Bottle volumes available: 400 mL, 500 mL, 1000 mL
    Test volumes with high accuracy: ±0.01–±0.1 mL
    Durable glass or amber plastic construction, chemical resistant for acids and alkalis
    Autoclavable for easy sterilization and maintenance
    High efficiency with low repetition error, saving time and research costs
    Equipped with durable silicone tubing for safe and convenient operation
     
    Model: gDispenser
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  • Bottle-Top Dispenser 5-30ml
    Bottle-Top Dispenser Easy | Adjustable 5–30 mL Liquid Dispenser for Laboratory and Industry
    Adjustable volume range: 5–30 mL for precise liquid dispensing
    Test volume: 5 mL, Accuracy: ±0.7%
    High efficiency with minimal repetition error, saves research and experiment time
    Solvent resistant, suitable for general acids and alkalis
    Made of durable PP material for chemical resistance
    Applicable in petrochemical, medical, metallurgical, environmental, and scientific research fields
    Compatible with multiple bottle adaptors: 45/40mm, 45/32mm, 45/38mm, 32/25mm, 32/28mm
     
    Model: tDispenser-E
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  • Bottle-Top Dispenser 50ml
    Bottle-Top Dispenser | Adjustable Laboratory Liquid Dispenser with High Accuracy
    Volume range: 0.5–50 mL with adjustable control knob
    High accuracy: ±0.5%, precision ≤0.1% depending on volume
    Made of chemical-resistant PTFE, FEP, BSG, and PP
    Fully autoclavable at 121°C for safe sterilization
    Supports liquids with vapor pressure up to 500 mbar and viscosity up to 500 mm²/s
    Temperature tolerance up to 40°C, density max 2.2 g/cm³
    Compatible with multiple bottle adaptors: 45/40mm, 45/32mm, 45/38mm, 32/25mm, 32/28mm
     
    Model: tDispenser
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  • Manual & Electronic Multichannel Titrator
    Digital Burette with Magnetic Stirrer | Bottle-Top Titrator for Accurate Laboratory Analysis
    Volume range: 0.01–99.99 mL, resolution 10 μL, max piston lift 10 mL
    16 adjustable speed levels for precise titration control
    Built-in magnetic stirrer for convenient operation
    External remote control panel for stable and disturbance-free titration
    Accuracy: R = 0.2%, CV = 0.07%
    Large LCD display for clear parameter reading
     
    Model: pTrite
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  • Purple Adjustable Volume Pipette
    pPipette Purple Fixed Volume Pipette with Five Adjustable Settings 5 µL–5000 µL – High Precision, Autoclavable Laboratory Micropipette
    Model: pPipette, single-channel purple pipette with five fixed volume settings
    Available volume ranges: 5–25 µL, 10–50 µL, 50–250 µL, 100–500 µL, 200–1000 µL, 500–2500 µL, 1000–5000 µL, plus single fixed volumes from 5 µL to 5000 µL
    Switching between minimum and maximum volume completed within 2 seconds
    Deft ergonomic handle design for comfortable use
    Stainless steel tip pusher with strong chemical corrosion resistance
    Autoclavable nozzles and tips for easy sterilization and maintenance
    Accuracy up to ±1.0% and precision ≤0.5% at higher volumes
     
    Model: pPipette
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  • Single Channel Adjustable Volume Pipette
    cPipette Fixed Volume Pipette with Five Adjustable Settings 5 µL–1000 µL – Autoclavable, Color-Coded, High Precision Laboratory Pipette
    Model: cPipette, single-channel pipette with five fixed volume settings for precise liquid handling
    Available volume ranges: 5–25 µL, 10–50 µL, 50–250 µL, 100–500 µL, 200–1000 µL, plus single fixed volumes from 5 µL to 1000 µL
    Color-coded design for easy identification and reduced risk of cross-contamination
    Self-calibration function ensures accuracy without external adjustments
    Durable stainless steel tip pusher with high chemical resistance
    Pure polypropylene tips withstand autoclaving at 121℃ for reliable sterilization
     
    Model: cPipette
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  • Pipette with Switch
    sPipette Adjustable Micropipette 0.5 µL–10 mL – Autoclavable, Ergonomic, High Accuracy Lab Pipette for Analyzers
    Model: sPipette, single-channel adjustable micropipette with volume range 0.5 µL – 10 mL
    Equipped with plug and wire, compatible with coagulation analyzers, protein analyzers, and other instruments
    Autoclavable nozzle and ejector, detachable for easy cleaning and maintenance
    Lightweight nozzle eject button and ergonomic handle hook for comfort and ease of use
    Clear display reading window ensures precise volume setting and accurate operation
    High accuracy with systematic error as low as ±0.50% and precision up to ±0.15% depending on volume
     
    Model: sPipette
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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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