Bottle-Top Dispenser
Mechanical bottle-top dispenser for precise liquid aliquoting in laboratory applications, available in three volume ranges with calibrated accuracy specifications.
Louise Corscadden, PhD
Director of Science · ConductScience
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Key Specifications
Full details →- Model fit
- Configured during quote
- SKU family
- BIO-0640
- Sizing
- 23.43 x 16.93 x 10.83 cm
- Ordering
- Online checkout and quote request available
- Category
- Liquid Handling
- Build notes
- Confirm accessories, station layout, and support needs before purchase
The ConductScience Bottle-Top Dispenser provides precise liquid dispensing for laboratory applications requiring accurate volume delivery. Available in three volume ranges (1ml, 0.5-5ml, and 1-10ml), each model offers graduated precision levels to support varying experimental protocols. The dispenser features mechanical operation with calibrated subdivision markings for consistent aliquot preparation.
Designed for repetitive pipetting tasks, the dispenser delivers specified accuracy and precision parameters across its operating range. The unit mounts directly to standard laboratory bottles, enabling efficient reagent distribution without cross-contamination risk. Each model ships with 20 units per carton for laboratory stocking convenience.
How It Works
The bottle-top dispenser operates through a positive displacement mechanism that ensures consistent volume delivery independent of liquid viscosity or density variations. A precision-machined piston assembly moves through a calibrated cylinder, creating controlled displacement volumes that correspond to the selected dispensing volume.
The mechanical design incorporates a spring-loaded return mechanism that provides consistent pressure application during the dispensing cycle. Graduated markings on the adjustment mechanism allow for volume selection within the specified range, with subdivision markings providing intermediate volume options. The direct bottle mounting system creates a closed pathway that minimizes contamination risk and vapor exposure during repetitive dispensing operations.
Features & Benefits
Automation Level
- manual
Cat. No.
- Volume Range
Subdivision
- Accuracy
Gross Weight(kg)
- Package Size(mm)
30013010
- 1ml
/
- ±2.00%, 20μl
1.00%, 10μl
- 20pcs/carton
14
- 595*430*275mm
30013020
- 0.5~5ml
0.1ml
- ±0.50%, 25μl
0.10%, 5μl
- 20pcs/carton
30013030
- 1~10ml
0.2ml
- ±0.50%, 50μl
0.10%, 10μl
- 20pcs/carton
Brand
- ConductScience
Research Domain
- Analytical Chemistry
- Cell Biology
- Clinical Diagnostics
- Environmental Monitoring
- Food Science
- Materials Science
- Microbiology
- Pharmaceutical QC
Accuracy
- Package
Weight
- 30.86 kg
Dimensions
- L: 23.43 mm
- W: 16.93 mm
- H: 10.83 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Volume Range Options | Three distinct ranges: 1ml, 0.5-5ml, and 1-10ml | Basic models often offer single fixed volume or limited range adjustment | Allows researchers to select optimal range for their specific application volume requirements |
| Accuracy Specification | ±0.50% for 0.5-5ml and 1-10ml models, ±2.00% for 1ml model | Entry-level dispensers may offer lower accuracy specifications | Provides quantified precision parameters essential for analytical and quantitative procedures |
| Subdivision Precision | Ranges from 5μl to 50μl depending on model | Basic models may lack graduated subdivision markings | Enables intermediate volume selection for experimental flexibility within the operating range |
| Package Quantity | 20 pieces per carton for all models | Individual units or smaller quantities common | Bulk packaging reduces per-unit cost for laboratories requiring multiple dispensers |
The dispenser series offers three calibrated volume ranges with specified accuracy parameters and subdivision precision markings. The mechanical design provides reliable operation without external power requirements while maintaining consistent volumetric performance.
Practical Tips
Verify accuracy using analytical balance with multiple test dispensations at different volume settings before beginning critical experiments.
Why: Ensures dispenser meets specified accuracy parameters for your experimental requirements.
Disassemble and clean internal components regularly, especially when switching between different reagents or after extended use.
Why: Prevents cross-contamination and maintains consistent volumetric accuracy by removing residue buildup.
Prime the dispenser thoroughly by operating multiple cycles until consistent volume delivery is achieved.
Why: Eliminates air bubbles that can cause volume delivery variations and ensures accurate dispensing from first use.
If volume accuracy decreases, check for air leaks in bottle connections and ensure proper sealing.
Why: Air infiltration disrupts the positive displacement mechanism and reduces volumetric precision.
Document dispenser calibration data and accuracy verification results for experimental record keeping.
Why: Provides traceability for volumetric measurements and supports quality control documentation requirements.
Use appropriate personal protective equipment when dispensing volatile or hazardous reagents, even with closed system design.
Why: Protects against potential exposure during bottle changeover or system maintenance procedures.
Select the volume range model closest to your typical dispensing requirements rather than using extreme ends of a larger range.
Why: Operating near the center of the volume range typically provides optimal accuracy and precision performance.
Setup Guide
What’s in the Box
- Bottle-top dispenser unit
- Volume adjustment mechanism
- Mounting hardware (typical)
- User manual (typical)
- Calibration certificate (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship. Technical support is available for calibration procedures and operational guidance.
Compliance
What is the accuracy specification for each volume range model?
The 1ml model provides ±2.00% accuracy, while both the 0.5-5ml and 1-10ml models offer ±0.50% accuracy specifications.
How should the dispenser be calibrated for accurate volume delivery?
Prime the system thoroughly, then dispense multiple test volumes and verify accuracy using an analytical balance. Adjust as needed using the graduated markings.
What types of liquids are compatible with this dispenser?
The positive displacement design accommodates most laboratory reagents, though compatibility depends on chemical resistance of wetted materials - consult product datasheet for specific solvent compatibility.
Can the dispenser be sterilized or cleaned between different reagents?
The unit can be disassembled for cleaning between applications, though sterilization procedures depend on material compatibility - consult product datasheet for recommended cleaning protocols.
What is the minimum volume that can be accurately dispensed?
Minimum accurate volume depends on the subdivision precision: 10μl for the 1ml model, 5μl for the 0.5-5ml model, and 10μl for the 1-10ml model.
How does temperature affect dispensing accuracy?
Temperature variations can affect liquid density and dispenser materials - maintain consistent operating temperature and allow thermal equilibration for optimal accuracy.
What maintenance is required for consistent performance?
Regular cleaning to prevent reagent buildup, periodic accuracy verification, and lubrication of moving parts according to manufacturer specifications maintain optimal performance.
How does this compare to electronic pipettes for repetitive dispensing?
Offers mechanical reliability without battery dependency and is typically more cost-effective for high-volume repetitive dispensing applications, though electronic pipettes may offer programmable features.
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