Electronic Bottle-Top Dispenser (dFlow-Pro)

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The Electronic Bottle-Top Dispenser (dFlow-Pro) is a fully digital, motor-controlled liquid handling system engineered for superior precision, efficiency, and user safety. It features a high-quality stepper motor that delivers highly accurate dispensing (R=0.2%, CV=0.07%) with a wide volume range of 0.01 to 99.99 mL , making it suitable for demanding clinical chemistry and pharmaceutical QC workflows.

For the clinical laboratory scientist, the “Pro” series offers enhanced accuracy and “Dispenser” and “Stepper” operating modes to streamline high-throughput tasks, from QC sample preparation to plate-filling for ELISA assays. The remote control panel operates without manual disturbance , while the large LCD screen ensures easy setup. For the laboratory manager, the “Pro” model’s superior precision reduces costly reagent waste and re-runs, and its motorized drive significantly mitigates the risk of repetitive strain injuries among staff, promoting a safer workplace. For the patient, the use of this dispenser in diagnostic labs translates directly to faster turnaround times and more reliable results, as the accuracy and reproducibility of the analytical process are enhanced.

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Categories: LABORATORY EQUIPMENT AND SUPPLIES, Lab Consumables Tags: Automated Dispenser, Clinical Chemistry, Digital Bottle Top Dispenser, DLAB dFlow-Pro, Electronic Bottle Top Dispenser, Electronic Bottle-Top Dispenser (dFlow-Pro), High Precision Dispenser, Laboratory Liquid Handling, Stepper Motor Dispenser

Description

Electronic Bottle-Top Dispenser (dFlow-Pro)

PRIMARY CLINICAL & DIAGNOSTIC USES

1. High-Precision, Automated Reagent Dispensing for Clinical Chemistry

Primary Use: Provides a fully digital, motor-controlled bottle-top dispenser for the accurate and reproducible dispensing of clinical chemistry reagents, buffers, and solutions directly from laboratory reagent bottles.
How it helps: For the clinical laboratory scientist, the “Pro” version’s advanced stepper motor and electronic control system deliver superior accuracy (R=0.2%, CV=0.07%) . This precision is essential for preparing QC samples, calibrators, and reagents, ensuring the reliability of downstream patient results. For the patient, this high level of accuracy directly translates to consistent and trustworthy diagnostic outcomes, reducing the risk of erroneous results due to reagent variability.

2. Motor-Controlled Operation to Mitigate Repetitive Strain

Primary Use: Designed to eliminate manual pipetting fatigue through a motorized drive, improving laboratory ergonomics and reducing the risk of repetitive strain injuries (RSI) for laboratory staff.
How it helps: For the occupational health professional and laboratory manager, the motor-driven operation minimizes the grip force required and decreases the repetitive strain injury risk associated with high-volume, manual pipetting . For the healthcare worker, this ergonomic design promotes a safer, more comfortable, and sustainable working environment, allowing them to perform dispensing tasks for extended periods without physical strain.

3. Versatile Dispensing Modes for High-Throughput Workflows

Primary Use: Features both “Dispenser” mode for single aliquots and “Stepper” mode for programmed, continuous multi-dispense sequences, optimizing workflows for high-volume sample preparation.
How it helps: For the laboratory manager and biomedical scientist, the stepper mode significantly increases throughput by automating repetitive dispensing into multiple tubes or plates, freeing up valuable staff time for other tasks. For the patient, this efficiency reduces the total turnaround time for diagnostic testing, enabling faster clinical decision-making.

4. Intelligent Operation with Digital Interface

Primary Use: Utilizes a large, easy-to-read TFT display or LCD screen for simple, intuitive volume setting and mode selection, ensuring consistent and error-free operation .
How it helps: For the medical technologist, the clear digital interface provides immediate visual confirmation of the set parameters, reducing the chance of programming errors. For the patient, this user-friendly design promotes consistent technique between different operators, contributing to the overall reproducibility of laboratory assays.

SECONDARY & SUPPORTIVE USES

1. Immunoassay and ELISA Workflow Automation: Automates the dispensing of wash buffers, blocking solutions, and substrates into 96-well plates, improving consistency and throughput.

2. Molecular Biology Reagent Preparation: Precisely dispenses PCR master mixes, primers, nucleotides, and other high-value reagents for molecular diagnostics, minimizing waste.

3. Pharmaceutical Quality Control (QC) Sample Preparation: Used for the precise addition of dissolution media and the preparation of QC standards for drug testing.

4. Histology and Pathology Staining: Automates the application of hematoxylin, eosin, and other histological stains for consistent slide preparation.

5. Toxicology and Drug Screening: Prepares calibration curves and dispenses extraction solvents and internal standards for LC-MS/MS analysis.

6. Automated Buffer and Media Preparation: Aids in the preparation of large volumes of laboratory buffers, culture media, and other solutions.

7. Research and Academic Laboratories: Provides a general-purpose, high-precision dispensing tool for diverse research needs.

KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A fully digital electronic bottle-top dispenser with motor-controlled operation, designed for precise, reproducible, and ergonomic liquid handling.
Designation: dFlow-Pro Electronic Bottle-Top Dispenser, Electronic Bottle Top Dispenser (Pro version), Digital Dispenser.
Key Components:
- Motor: High-quality stepper motor for smooth, precise liquid transfer .
- Fluid Path: Chemically resistant borosilicate glass, FEP, PTFE, and PP materials.
- Control Interface: External remote control panel with a large TFT/LCD display .
- Bottle Mounting: Standard GL45 thread base with adapters for S40, GL25, GL28, GL32, GL38, and other common bottle sizes.
- Operating Modes: Dispenser (single aliquot) and Stepper (multi‑aliquot) modes.

2. TECHNICAL & PERFORMANCE PROPERTIES

Volume Range: 0.01 – 99.99 mL .
Resolution: 10 μL .
Volume Accuracy (Dispenser Mode): R=0.2%, CV=0.07% .
Volume Accuracy (Stepper Mode): R = 1mL ±6μL; CV = 1mL ±9μL .
Dispensing Speed: 16 programmable speed levels for aspiration and dispensing.
Operating Modes: External remote control of functions.
Quality Compliance: Meets DIN EN ISO 8655 standards for piston-operated volumetric apparatus .
Autoclavability: Fully autoclavable components (confirm per manufacturer) .

3. PHYSICAL & OPERATIONAL PROPERTIES

Operation: Motor-driven, eliminating manual fatigue.
Control: Remote panel to prevent manual disturbance of the system .
Recirculation: Integrated recirculation valve allows for easy priming and reagent recovery, minimizing waste.
Display: Clear TFT or large LCD screen for easy parameter setting .
Portability: Compact footprint designed for secure attachment to standard reagent bottles.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: General Laboratory Equipment.
Chemical Resistance: Fluid path materials are resistant to a wide range of laboratory chemicals, alkalis, acids, and organic solvents.
Ergonomic Safety: Motorized operation significantly reduces the risk of repetitive strain injuries (RSI) .
Electrical Safety: Low-voltage operation via an external AC adapter.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store in a clean, dry environment when not in use.
Cleaning: Easy to clean and maintain; fluid path components can be disassembled for thorough cleaning.
Inspection: Regularly inspect the cylinder, piston, and tubing for signs of wear or damage.
Operation: Ensure the correct bottle adapter is fitted for a secure, leak-proof seal. Prime the system by running several dispense cycles before use.
Maintenance: Periodic recalibration is recommended to maintain specified accuracy.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: High-precision, automated liquid handling for clinical chemistry, molecular diagnostics, pharmaceutical QC, histology, and general research.
Clinical Role: Essential for accurate and efficient reagent and sample preparation in high-throughput clinical and quality control labs.

SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

Chemical Compatibility: Verify compatibility of all wetted materials (borosilicate glass, FEP, PTFE) with the reagents being dispensed before use.
Electrical Safety: Keep the external control panel and AC adapter away from liquids; disconnect power before cleaning or maintenance.
Ergonomic Use: Use the external remote control to minimize manual handling of hazardous chemicals; the motorized operation reduces repetitive strain injury risk .
Proper Priming: Always prime the system by aspirating and dispensing several times before beginning accurate dispensing to ensure the fluid path is filled and air bubbles are removed.
Volume Verification: Periodically verify dispensed volume gravimetrically to ensure accuracy, especially after changing reagents or speed settings.
Tube Positioning: Ensure the dispensing nozzle is positioned correctly over the receiving vessel to avoid splashing or spillage.
Bottle Stability: Ensure the reagent bottle is stable and securely positioned to prevent tipping during operation.
Disposal: Dispose of used reagents and chemical waste according to local environmental regulations.
Training: Only trained laboratory personnel should operate the dFlow Electronic Bottle-Top Dispenser for clinical diagnostic applications.

2. FIRST AID MEASURES

Chemical Splash: If reagent splashes onto skin, wash immediately with soap and water; if in eyes, flush with water for 15 minutes, seek medical attention; refer to reagent Safety Data Sheet (SDS) for specific guidance.
Electrical Malfunction: If unit shows signs of electrical malfunction (smoke, burning smell), disconnect power immediately; do not attempt to operate; contact service personnel.
Mechanical Failure: If dispenser fails to aspirate or dispense properly, check for air leaks, debris in valve, or component damage; contact service if issue persists.
Chemical Spill: If large chemical spill occurs, evacuate area, follow facility chemical spill protocol, and use appropriate PPE for cleanup.

3. FIRE FIGHTING MEASURES

Flammability: Plastic components (control panel housing, adapters) are combustible; electrical components present fire risk.
Extinguishing Media: Use carbon dioxide (CO₂) or dry chemical extinguisher for electrical fires.

Electronic Bottle-Top Dispenser (dFlow-Pro)

Electronic Bottle-Top Dispenser (dFlow-Pro)

PRIMARY CLINICAL & DIAGNOSTIC USES

1. High-Precision, Automated Reagent Dispensing for Clinical Chemistry

Primary Use: Provides a fully digital, motor-controlled bottle-top dispenser for the accurate and reproducible dispensing of clinical chemistry reagents, buffers, and solutions directly from laboratory reagent bottles.

2. Motor-Controlled Operation to Mitigate Repetitive Strain

Primary Use: Designed to eliminate manual pipetting fatigue through a motorized drive, improving laboratory ergonomics and reducing the risk of repetitive strain injuries (RSI) for laboratory staff.

3. Versatile Dispensing Modes for High-Throughput Workflows

Primary Use: Features both “Dispenser” mode for single aliquots and “Stepper” mode for programmed, continuous multi-dispense sequences, optimizing workflows for high-volume sample preparation.

4. Intelligent Operation with Digital Interface

Primary Use: Utilizes a large, easy-to-read TFT display or LCD screen for simple, intuitive volume setting and mode selection, ensuring consistent and error-free operation .

SECONDARY & SUPPORTIVE USES

1. Immunoassay and ELISA Workflow Automation: Automates the dispensing of wash buffers, blocking solutions, and substrates into 96-well plates, improving consistency and throughput.

2. Molecular Biology Reagent Preparation: Precisely dispenses PCR master mixes, primers, nucleotides, and other high-value reagents for molecular diagnostics, minimizing waste.

3. Pharmaceutical Quality Control (QC) Sample Preparation: Used for the precise addition of dissolution media and the preparation of QC standards for drug testing.

4. Histology and Pathology Staining: Automates the application of hematoxylin, eosin, and other histological stains for consistent slide preparation.

5. Toxicology and Drug Screening: Prepares calibration curves and dispenses extraction solvents and internal standards for LC-MS/MS analysis.

6. Automated Buffer and Media Preparation: Aids in the preparation of large volumes of laboratory buffers, culture media, and other solutions.

7. Research and Academic Laboratories: Provides a general-purpose, high-precision dispensing tool for diverse research needs.

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: A fully digital electronic bottle-top dispenser with motor-controlled operation, designed for precise, reproducible, and ergonomic liquid handling.

Designation: dFlow-Pro Electronic Bottle-Top Dispenser, Electronic Bottle Top Dispenser (Pro version), Digital Dispenser.

Key Components:

Motor: High-quality stepper motor for smooth, precise liquid transfer .

Fluid Path: Chemically resistant borosilicate glass, FEP, PTFE, and PP materials.

Control Interface: External remote control panel with a large TFT/LCD display .

Bottle Mounting: Standard GL45 thread base with adapters for S40, GL25, GL28, GL32, GL38, and other common bottle sizes.

Operating Modes: Dispenser (single aliquot) and Stepper (multi‑aliquot) modes.

2. TECHNICAL & PERFORMANCE PROPERTIES

Volume Range: 0.01 – 99.99 mL .

Resolution: 10 μL .

Volume Accuracy (Dispenser Mode): R=0.2%, CV=0.07% .

Volume Accuracy (Stepper Mode): R = 1mL ±6μL; CV = 1mL ±9μL .

Dispensing Speed: 16 programmable speed levels for aspiration and dispensing.

Operating Modes: External remote control of functions.

Quality Compliance: Meets DIN EN ISO 8655 standards for piston-operated volumetric apparatus .

Autoclavability: Fully autoclavable components (confirm per manufacturer) .

3. PHYSICAL & OPERATIONAL PROPERTIES

Operation: Motor-driven, eliminating manual fatigue.

Control: Remote panel to prevent manual disturbance of the system .

Recirculation: Integrated recirculation valve allows for easy priming and reagent recovery, minimizing waste.

Display: Clear TFT or large LCD screen for easy parameter setting .

Portability: Compact footprint designed for secure attachment to standard reagent bottles.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: General Laboratory Equipment.

Chemical Resistance: Fluid path materials are resistant to a wide range of laboratory chemicals, alkalis, acids, and organic solvents.

Ergonomic Safety: Motorized operation significantly reduces the risk of repetitive strain injuries (RSI) .

Electrical Safety: Low-voltage operation via an external AC adapter.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store in a clean, dry environment when not in use.

Cleaning: Easy to clean and maintain; fluid path components can be disassembled for thorough cleaning.

Inspection: Regularly inspect the cylinder, piston, and tubing for signs of wear or damage.

Operation: Ensure the correct bottle adapter is fitted for a secure, leak-proof seal. Prime the system by running several dispense cycles before use.

Maintenance: Periodic recalibration is recommended to maintain specified accuracy.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: High-precision, automated liquid handling for clinical chemistry, molecular diagnostics, pharmaceutical QC, histology, and general research.

Clinical Role: Essential for accurate and efficient reagent and sample preparation in high-throughput clinical and quality control labs.

1. SAFETY PRECAUTIONS

Chemical Compatibility: Verify compatibility of all wetted materials (borosilicate glass, FEP, PTFE) with the reagents being dispensed before use.

Electrical Safety: Keep the external control panel and AC adapter away from liquids; disconnect power before cleaning or maintenance.

Ergonomic Use: Use the external remote control to minimize manual handling of hazardous chemicals; the motorized operation reduces repetitive strain injury risk .

Proper Priming: Always prime the system by aspirating and dispensing several times before beginning accurate dispensing to ensure the fluid path is filled and air bubbles are removed.

Volume Verification: Periodically verify dispensed volume gravimetrically to ensure accuracy, especially after changing reagents or speed settings.

Tube Positioning: Ensure the dispensing nozzle is positioned correctly over the receiving vessel to avoid splashing or spillage.

Bottle Stability: Ensure the reagent bottle is stable and securely positioned to prevent tipping during operation.

Disposal: Dispose of used reagents and chemical waste according to local environmental regulations.

Training: Only trained laboratory personnel should operate the dFlow Electronic Bottle-Top Dispenser for clinical diagnostic applications.

2. FIRST AID MEASURES

Chemical Splash: If reagent splashes onto skin, wash immediately with soap and water; if in eyes, flush with water for 15 minutes, seek medical attention; refer to reagent Safety Data Sheet (SDS) for specific guidance.

Electrical Malfunction: If unit shows signs of electrical malfunction (smoke, burning smell), disconnect power immediately; do not attempt to operate; contact service personnel.

Mechanical Failure: If dispenser fails to aspirate or dispense properly, check for air leaks, debris in valve, or component damage; contact service if issue persists.

Chemical Spill: If large chemical spill occurs, evacuate area, follow facility chemical spill protocol, and use appropriate PPE for cleanup.

3. FIRE FIGHTING MEASURES

Flammability: Plastic components (control panel housing, adapters) are combustible; electrical components present fire risk.

Extinguishing Media: Use carbon dioxide (CO₂) or dry chemical extinguisher for electrical fires.

• Fire Response: Unplug unit immediately; do not use water on electrical fire; refer to reagent SDS for flammability of dispensed liquids.

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