Hangzhou Qiwei Instrument Co., Ltd. is one of the leading manufacturers and suppliers of portable bacterial turbidity meter in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale bulk portable bacterial turbidity meter in stock here from our factory. We also accept customized orders.
The WGZ-XB portable bacterial turbidity meter uses McFarland (MCF) units to measure the turbidity of bacterial samples and assess their concentration. By offering a direct MCF measurement, it enables field testing teams and laboratory staff to evaluate microbiological suspension density without depending only on visual comparison with turbidity reference standards.
The WGZ-XB facilitates bacterial suspension assessment in microbiology labs, biological production facilities, and transportable testing environments with a measurement range of 0–5 MCF and a minimum indication of 0.001 MCF. Performance references for instrument evaluation are provided by its specified repeatability of ≤0.5% and indicator error of ±5% FS.
product key technologies
The portable bacterial turbidity meter is a handheld device that measures bacterial concentration in a liquid suspension by detecting turbidity. It is pre‑calibrated against a barium sulfate (BaSO₄) reference solution and displays readings directly in McFarland units (MCF), eliminating the need for manual chart matching or mental conversion. Typical applications include preparing standard inocula for antimicrobial susceptibility tests, monitoring microbial growth in fermentation processes, checking cell density in vaccine production, and conducting routine quality control in biologic laboratories. Professionals in hospitals, biological product manufacturers, port quarantine stations, and university research labs use this meter. Because the instrument is small and battery‑operated, it works equally well on a lab bench, in a production workshop, or at a remote sampling site.
The measurement principle is nephelometry: the meter shines a light beam into a sample tube, and bacteria in the suspension scatter the light. A photodetector placed at a 90‑degree angle captures the scattered light; the stronger the scattering, the higher the bacterial concentration. An internal microprocessor converts this signal into an MCF turbidity value. This optical method eliminates the inconsistency of visual comparison against turbidity standards.
Technical Parameter
|
Model |
WGZ-XB |
|
Minimum Indication |
0.001 MCF |
|
Measuring Range |
0～5 MCF, 1 MCF=3×108 CFU/ml |
|
Indication Error |
±5％ FS |
|
Repeatability |
≤0.5% |
|
Zero Drift |
±0.5% FS |
|
Feature |
Bacterial turbidity analysis, direct reading MCF |
Application
The WGZ-XB lightweight bacterial turbidity meter can support bacterial suspension assessment in laboratory and cellular testing workflows. Its primary MCF reading makes it suitable for applications where microbiological expulsion turbidity needs to be evaluated near the sample preparation or collection site.
Public Health and Disease Control Laboratories
Public health facilities may need to assess organized bacterial punishments during regular microbiological testing and field investigation activities. The WGZ-XB can be used as a supporting device for turbidity-based expulsion analysis. It does not detect pathogens or individually determine whether a test contains an infectious organism.
Public Health and Disease Control Laboratories
Mobile laboratories require small instruments that may support sample planning and testing outside a preset laboratory. The WGZ-XB may be incorporated into a portable microbiology workstation for microbiological expulsion assessment, provided that appropriate power, sample handling and operating conditions are applicable.
Biological Safety and Field Investigation Teams
During climate investigation or natural safety monitoring projects, teams may need to assess prepared bacterial suspensions as part of a controlled laboratory procedure. The sensor can help this measurement step when used with suitable test containment, handling procedures and biosafety controls.
Biopharmaceutical and Biological Product Laboratories
During test preparation and process-related screening, bacterial expulsion turbidity may be monitored during biological production and research workflows. Personnel can compare suspension readings within a set testing period thanks to the immediate MCF display.
University and Microbiology Research Laboratories
The tool can be used by universities and research institutions to teach, prepare bacterial samples, and conduct laboratory study using turbidity-based suspension assessments.
The device is designed to measure viscosity. Separate approved methods are necessary for the identification of pathogens, infectious disease diagnosis, and the confirmation of viable bacterial counts.
FAQ
1. What does the WGZ-XB portable bacterial turbidity meter measure?
The WGZ-XB instantly displays the results in McFarland (MCF) units after measuring the turbidity of bacterial suspensions. It is designed to support turbidity-based assessment of microbial suspension concentration.
2. What is the measurement range of the WGZ-XB?
The minimal indication is 0.001 MCF, while the published measurement range is 0–5 MCF. ±5% FS is the indicator error.
3. Can the WGZ-XB be used for on-site bacterial concentration measurement?
Indeed. It is appropriate for use in mobile testing setups due to its portable design and specified rechargeable battery or USB power sources. For their particular field application, users should verify the power configuration and operating circumstances.
4. Does the instrument directly measure viable bacterial counts in CFU/mL?
No. An optical turbidity-based MCF reading is provided by the device. Viable bacterial colonies are not directly counted by it. An suitable microbiological enumeration method should also be utilized if a verified CFU/mL result is needed.
5. Can distributors and public health equipment suppliers request bulk quotations?
For a quote and supply evaluation, distributors, laboratory equipment integrators, and public health procurement organizations can submit their projected quantity, application requirements, power configuration, and documentation needs.
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