Introduction
An automated media dispensing system is a laboratory instrument that automatically dispenses precise volumes of culture media, buffers, reagents, and other liquids into plates, tubes, and other containers, and it is used in microbiology, cell culture, clinical, and biotechnology laboratories for high-throughput and consistent liquid dispensing. The system consists of a liquid dispensing pump or pumps, a dispensing head with tubing or nozzles, a container conveyor or positioning system, and a controller; the system aspirates the liquid from a reservoir and dispenses it in precise volumes into the containers, which are positioned automatically, and it can dispense media into Petri dishes, deep-well plates, microplates, tubes, and other containers, with high accuracy and reproducibility, and it can be programmed for different volumes, dispensing patterns, and container formats, and it may include features such as sterile dispensing, temperature control of the media, and a turntable or conveyor for the containers. Automated media dispensing systems are used for dispensing culture media into plates for microbiology, for dispensing media into plates for cell culture, for filling tubes and plates with reagents and buffers, for preparing assay plates, for dispensing selective media, for filling containers in production, and for many other applications, and they are available in various configurations, from compact benchtop systems to large automated systems, with features such as high throughput, precise dispensing, and easy programming. With their accuracy and automation, automated media dispensing systems are essential for high-throughput liquid dispensing in laboratories.
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Standards
ISO 8655-7:2022-Piston-operated volumetric apparatus-Alternative measurement procedures for the determination of volume
Complies with the above standards, but is not limited to them.
Features
1. Automated media dispensing system for precise, sterile culture media dispensing.
2. Programmable volume dispensing into plates, tubes and bottles for microbiology.
3. Suitable for microbiology, clinical, pharmaceutical, food and research laboratories.
4. Includes peristaltic pump, tubing, dispensing head, controller, software and manual.
5. Supports automated agar and broth media dispensing for culture preparation.
FAQ
Q1: What testing scenarios is this system mainly applied to?
A: The automated media dispensing system is used in microbiology laboratories, clinical diagnostics, pharmaceutical quality control, food testing, environmental monitoring and research to precisely dispense sterile culture media (agar, broth) into petri dishes, test tubes, bottles and microplates for microbial culture preparation, quality control and research. It supports clinical microbiology media preparation for diagnostic testing, pharmaceutical QC microbial testing, food and beverage microbiological testing, environmental monitoring culture setup, antibiotic susceptibility testing plate preparation, and general microbiology media dispensing. The automated system provides consistent, precise, sterile dispensing with high throughput, reducing manual labor and variability in media preparation.
Q2: What standards does the system comply with?
A: The automated media dispensing system complies with relevant IEC 61010 laboratory electrical safety standards, applicable GB/T standards for laboratory equipment, and relevant good manufacturing practice (GMP) and good laboratory practice (GLP) requirements for regulated use. The instrument follows applicable electromagnetic compatibility standards. Users should verify compliance with specific facility requirements for their application, including sterile dispensing and biosafety.
Q3: What is the warranty period for the whole machine and key components?
A: The whole dispensing system is covered by a 12-month warranty. The pump, dispensing head, controller, software and housing are covered, while tubing, dispensing tips, filters and fuses are consumables. Damage from improper use, tubing damage or unauthorized repair is excluded. Extended service contracts may be available.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained microbiology laboratory personnel familiar with media preparation, sterile technique and dispensing systems. We provide operation manuals, training and application support. Proper media preparation, sterile technique, tubing setup, volume calibration, dispensing programming and biosafety procedures are important for accurate, sterile dispensing.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Volume calibration and verification recommended per schedule or before critical batches. Tubing and dispensing tip condition checked regularly. Pump performance verified. Routine cleaning and sterilization of fluid path. Full system performance verification annually. Software updates installed as needed.
Q7: Are supporting consumables universal?
A: Tubing, dispensing tips, filters and connectors are available from laboratory suppliers, though instrument-specific parts should be verified. Long-term consumable cost depends on dispensing volume and tubing replacement frequency.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes dispensing volume range, container type (plates, tubes, bottles), throughput, sterile filtration, heating capability (for agar), software features and accessories. Additional tubing, tips and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes the dispensing system and accessories with an operation manual. On-site installation, calibration and training are not included for standard orders but can be arranged for laboratory setup. Remote guidance is provided.
Q10: What types of media are compatible with this equipment?
A: The automated media dispensing system dispenses sterile liquid culture media including agar (maintained at 45-50 degrees C for molten state), broth and other liquid media within the viscosity, volume and container specification. Different media types may require specific dispensing conditions (temperature for agar, flow rate for viscous media). Particulate media may require special handling to prevent clogging. Users should prepare media per standard protocols, maintain proper temperature for agar media, use sterile tubing and dispensing components, calibrate volume regularly, follow proper aseptic technique, clean and sterilize the fluid path between media batches, and not dispense media with large particulates that could clog the system. The system should be placed in a clean area or biosafety cabinet for sterile dispensing. For pharmaceutical or clinical use, media should be quality control tested per applicable standards (USP, EP, ISO 11133). The tubing should be replaced per manufacturer schedule or when wear is observed. Waste should be disposed of per biological and chemical waste regulations. The dispensing volume should be verified gravimetrically periodically for accuracy. The system should not be operated with dry tubing, as this can damage the pump. For high-throughput use, proper media supply and waste handling should be established.
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