Product Description

The seripettor bottletop dispenser is an economical wiping seal dispenser suitable for many commonly used reagents in biological, clinical, medical, and chemical laboratories. It precisely dispenses a wide variety of liquids. Optional accessories, such as the flexible discharge tube, are available to increase productivity and convenience.

Dispenses most non-aggressive liquids: The seripettor® is a low-cost, reliable tool for dispensing measured volumes of weak acids, alkaline solutions, polar solvents, isotonic solutions, and agar culture media at up to a max. temperature of 60°C (140°F).

Simplifies dispensing: Notched volume selector allows for quick and exact volume adjustment. Spring-driven refill function enables one-handed operation.

Convenient cleaning and maintenance: Innovative design permits simple disassembly and rapid replacement of wearing parts, extending instrument life.

Fits most reagent containers: The 45mm standard thread plus the included adapters with 33mm and 40mm thread fits most common lab bottles.

Dispenses sterile media: Accessories are available for sterile dispensing.

Limitations of Use This instrument is designed for dispensing liquids, observing the following physical limits:

  • Use between +15°C and +40°C (59°F and 104°F) of instrument and reagent (agar culture media up to 60°C)
  • Density up to 2.2 g/cm³
  • Vapor pressure up to 500 mbar
  • Kinematic viscosity: •2mL instrument: 300 mm²/s  •10mL instrument: 150 mm²/s  •25mL instrument: 75 mm²/s

Operating Exclusions Never use this instrument with:

  • Liquids attacking FEP, PP, PE or EPDM
  • Non-polar solvents like hydrocarbons and halogenated hydrocarbons
  • Concentrated or oxidizing acids (excluding HCl)
  • Explosive liquids (e.g., carbon disulfide)

Each seripettor bottletop dispenser is supplied with Discharge tube, 250mm Filling tube, Spare dispensing cartridge, Two polypropylene adapters (GL45/33mm and GL45/S40mm), Operating manual, and One-year warranty.

Package Dimensions: 11.3" L x 8.1" W x 2.8" H

*CV ≤ %
4721120 0.2-2 0.04 1.2 0.2
4721140 1-10 0.2 1.2 0.2
4721150 2.5-25 0.5 1.2 0.2

*The value of accuracy (A) and coefficient of variation (CV) are final test values referring to the delivered nominal volume, instrument and distilled water at equilibrium with ambient temperature (20°C/68°F) and with smooth operation.


Manufacturer Brandtech Scientific
Country of Manufacture Germany
Item Ships From Connecticut

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Product Video



Seller warrants that its Products are free from defects in materials and workmanship as set forth in applicable operating instructions at the date of shipment to the original Buyer and will conform to the Contract specifications or such other specifications which constitute technical improvements to the Product.* The exclusive remedy of the Buyer in the event of a breach of the foregoing warranty is replacement or repair (at Seller's option) of any defective Product. No goods shall be returned to Seller for repair or replacement pursuant to this warranty without prior written approval and accompanied by a completed health and safety declaration (as specified in Paragraph 7). All cleaning, decontamination, and shipping costs shall be the sole responsibility of the Buyer together with any damage to the goods that might occur in transit to or from Seller. Under no circumstances does Seller's responsibility or warranty extend to Products other than those manufactured or distributed by Seller; nor does Seller's liability extend to any Products, articles or parts which are furnished by Buyer or obtained from other manufacturers or suppliers at Buyer's request and/or in accordance with Buyer's specifications. In the event that Seller is unwilling or unable to repair or replace any defective or nonconforming Product due to change in technical standards, technical modifications, unavailability of material or parts, or any other reason, Buyer shall be entitled to a return of the purchase price paid for such Product as its sole and exclusive remedy. Seller assumes no responsibility for the effective performance of any specific scientific application relying on Products supplied under this Contract beyond published Product specifications at the time of sale. Seller assumes no responsibility for conformance with local building codes as they may apply in the installation of Products supplied by the Seller. Seller assumes no responsibility whatsoever for the accuracy of designs, specifications or materials furnished or specified by Buyer.


No return will be accepted by the seller for any reason without prior written authorization. Returns will be accepted only if products are in new and unused condition and accompanied by a health and safety declaration as regards potential contamination with hazardous materials due to customer use of the product. The manufacturer reserves the right to assess a 25 percent restocking fee at their discretion. All shipping charges remain payable. This manufacturer assesses order cancellation fees if a submitted order is cancelled prior to shipment.


Ask a Question (3)

Customer Questions
What threading bottles do these require? We have some 28/400 32oz bottles and would like to know if this would work with them.

This item has a 45 mm thread. It also ships with adapters that can be used with 40 mm and 33 mm thread bottles. Additional adapters are available at additional charge. What is the thread size of your bottles?

Can this be used with biodegradable scintillation cocktail fluid?

This item is not compatible with Biodegradable Scintillation Coctail Fluid. The item you will need is our BrandTech Dispensette S Bottletop Dispenser - Analog Adjustable with Recirculation Valve.

Can the dispenser be fitted to a plastic container? Do you sell a plastic container capable of holding concentrated acids? If so, what sizes of plastic containers do you sell that are compatible with the dispensers? We operate in the field and would prefer not to have glass.

The 45mm standard thread plus the included adapters with 33mm and 40mm thread fits most common lab bottles. The lab bottles we offer are glass. Please note the bottle top dispensers are not able to be used with concentrated acids.

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