Description
The Graduated Serological Pipette Class A from Osmosis Scientific is engineered for analytical laboratory tasks where precise volume delivery is essential. Unlike standard mohr pipettes, the serological design features graduations that extend all the way to the tip, allowing the user to blow out the final drop for total volume delivery.
Manufactured in accordance with ASTM E-1293 Class A standards, this pipette is designed to deliver exact volumes within tight tolerances and is supplied with a batch certificate for traceable quality assurance. Each instrument is crafted from premium Boro 3.3 borosilicate glass, ensuring superior resistance to thermal shock and chemical corrosion.
The durable amber enamel print not only enhances the readability of the volume markings but also makes the pipette easy to handle and clean in diverse laboratory settings. The markings are designed to remain permanent and legible even after repeated autoclaving and exposure to aggressive cleaning agents. Available in capacities from 1 ml to 25 ml, these pipettes are a reliable choice for pharmaceutical research, clinical testing, and industrial quality control.
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, 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 | GPSAU-0010 | Enquire Now |
| 1 | 0.01 | 0.01 | Yellow | 6 | GPSAU-0010F | Enquire Now |
| 2 | 0.1 | 0.01 | Green | 6 | GPSAU-0020 | Enquire Now |
| 5 | 0.1 | 0.02 | Blue | 6 | GPSAU-0050 | Enquire Now |
| 10 | 0.1 | 0.03 | Orange | 6 | GPSAU-0100 | Enquire Now |
| 25 | 0.1 | 0.05 | White | 2 | GPSAU-0250 | Enquire Now |
Frequently Asked Questions (FAQs)
- Serological (This model): The graduations extend all the way to the tip. These are typically “blow-out” pipettes, meaning the last drop must be expelled to achieve the full rated volume.
- Mohr: The graduations stop before the tip. You must stop the liquid at the last marking.
- Draw liquid slightly above the zero mark.
- Wipe the tip with a lint-free tissue.
- Adjust the meniscus to the desired starting line.
- Deliver the liquid by letting it drain against the side wall of the receiving vessel.
- Expel the final drop if the pipette is marked with the double ring (Blow-out).
Yes. Class A Unserialized pipettes are supplied with a Batch Calibration Certificate. This document confirms that a representative sample from the manufacturing lot was tested and met the required Class A specifications.
They are designed to comply with applicable international standards such as ISO 835 or equivalent ASTM specifications for graduated pipettes.
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