Description
The Graduated Serological Pipette Class A Serialized from Osmosis Scientific represents the highest standard in volumetric liquid handling. Engineered for laboratories where data integrity and traceability are paramount, each pipette is laser-etched with a unique serial number and accompanied by an individual Work Certificate. This level of documentation ensures that every instrument meets strict Class A tolerances for pharmaceutical, clinical, and high-stakes research environments.
Manufactured in accordance with ASTM E-1044 Class A standards, this pipette is designed to deliver exact volumes within tight tolerances. As a serological type, the graduations extend to the tip, allowing for total volume delivery via the “blow-out” method. Crafted from premium Boro 3.3 borosilicate glass, it offers superior resistance to thermal shock and chemical corrosion, maintaining its integrity through repeated sterilization cycles.
The durable amber enamel markings provide high-contrast readability, ensuring precision during rapid pipetting tasks. Available in capacities from 1 ml to 25 ml, these pipettes are color-coded for quick identification. Whether utilized in ISO-certified facilities or advanced biotech labs, the Osmosis Scientific Serialized Serological Pipette provides the reliability and precision required for reproducible results.
Note: For outsourced or certified products, Osmosis Scientific acts as a supplier and distributor. Certification validity, calibration accuracy, and traceability are the responsibility of the original manufacturer or issuing certification body. Osmosis Scientific shall not be held liable for calibration deviations caused by improper handling, physical damage, wear, or chemical exposure after delivery.
| Capacity (mL) | Sub Division (mL) | Tolerance (± mL) | Colour Code | Pack of | SKU | Enquiry |
|---|---|---|---|---|---|---|
| 1 | 0.1 | 0.01 | Red | 6 | GPSAS-0010 | Enquire Now |
| 1 | 0.01 | 0.01 | Yellow | 6 | GPSAS-0010F | Enquire Now |
| 2 | 0.1 | 0.01 | Green | 6 | GPSAS-0020 | Enquire Now |
| 5 | 0.1 | 0.02 | Blue | 6 | GPSAS-0050 | Enquire Now |
| 10 | 0.1 | 0.03 | Orange | 6 | GPSAS-0100 | Enquire Now |
| 25 | 0.1 | 0.05 | White | 2 | GPSAS-0250 | Enquire Now |
Frequently Asked Questions (FAQs)
Every serialized pipette is etched with a unique identification number. This serial number corresponds to an Individual Calibration Certificate included with the product. This ensures that the specific pipette you are using has been individually tested and its exact accuracy is documented.
These are critical for:
- Accredited Laboratories: Facilities operating under ISO 17025 or NABL accreditation.
- Strict Quality Systems: Pharmaceutical manufacturing (QA/QC), clinical research, and forensic labs.
- Audit Compliance: Situations where every measurement must be traced back to a specific, verified instrument.
Most Class A Serological pipettes are designed as “To Deliver” (Ex) plus blow-out. Look for the two etched or frosted rings at the top. If present, the small amount of liquid remaining in the tip after gravity drainage must be expelled (blown out) using a pipette bulb to achieve the calibrated volume.
Products may be labeled as Manufactured by, Manufactured for, or Distributed by Osmosis Scientific. For serialized and NABL-calibrated glassware, we ensure full compliance with internal manufacturing protocols or source from vetted suppliers to guarantee certification validity.
- Avoid Physical Damage: Even a small chip at the tip can alter the delivery volume and invalidate the calibration.
- Proper Cleaning: Use non-abrasive detergents. If the glass surface is “greasy” and causes water to bead, the volume delivered will be inaccurate.
- Correct Reading: Always read the meniscus at eye level to avoid parallax errors.



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