10 products

10 products

Bottle-top dispensers

At BRAND you will find dispensers for dosing liquids in the laboratory. Discover our Dispensette® S and seripettor® bottle-top dispensers here.

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Dispensette® S - the new generation bottle-top dispenser

The best Dispensette® ever - improvements in nearly every detail: - Extremely easy filling and dispensing - Simple priming by optimized flow channels - Rapid and safe volume adjustment with internal scalloped track The right bottle-top dispenser for each application: Dispensette® S, suitable for an amazingly broad range of applications, particularly for many acids, saline solutions and organic solvents. Dispensette® S Organic, ideal for dispensing of organic solvents and acids. Dispensette® S Trace Analysis, specialized for dispensing high-purity acids, bases and H2O2.

Three different approaches to volume adjustment

Digital: The mechanical volume setting is easy to read and ensures accurate and reproducible volume control. Easy Calibration Technique for calibration adjustment in seconds without tools. A calibration flag indicates changes from factory settings. Analog-adjustable: Rapid and safe volume setting with new internal scalloped track. Simple calibration adjustment with a supplied tool. Fixed-volume: For standard applications. Simple calibration adjustment with a supplied tool.

Dispensette® S Trace Analysis

For High-Purity Chemicals. Innovative ideas, trusted technology – Dispensette® S Trace Analysis, the new bottle-top dispenser. For precise volume dispensing of high-purity media for trace analysis. - New discharge tube with or without recirculation valve - New valve system no sealing rings necessary - Volume selection with interior scalloped track - Dispensing of high-purity media such as acids and bases for trace analysis in the volume range from 1 to 10 ml. - Trace metal content is generally in the low ppb range, or, depending on application, even in the ppt range. - Dispensing hydrofluoric acid no problem with the platinumiridium valve spring. Simple to mount: The new discharge tube is easy to fasten and is available with or without a recirculation valve. Positive volume setting: Volume setting is quick, secure and repeatable due to the interior scalloped track. Designed without seals: All valves work without any additional sealing rings, which makes cleaning easier. Replaceable dispensing cartridge: The entire dispensing cartridge can easily be replaced without tools by the user. Fully adjusted at the factory, with a performance certificate. No calibration is required after replacement.

Frequently Asked Questions (Bottle-top dispensers)

Is it possible to dispense directly from drums and bulk refills?

Yes, it is possible with the Remote Dispensing System for Drum Dispensing. You can dispense directly frum drums up to 10 metres (30 feet) away from the drum. A delivery height of 1.2m is possible.

The dispensed volume of the Dispensette® is too low. What can be the cause?

Possible cause: Filling valve is loose, dirty or damaged --> Cleaning procedure (s. chapter 'Cleaning' in the operating manual). If necessary, replace valves and sealing washers.

There is leaking liquid between instrument and bottle at the Dispensette®. What can be done?

Possible cause: Backflow tube not connected --> Connect backflow tube (s. operating manual page 40).

Can the Dispensette® be used in the medical sector?

The Dispensette® is designed for general laboratory applications and meets with the requirements of relevant norms, e.g. DIN EN ISO 8655. The usage of the instrument for special applications (e.g. for trace analysis, food sector) has to be checked by the user. There are no special approvals available, for instance for specific applications in the medical, pharmaceutical or food sector.

Is the Dispensette® appropriate for food?

The Dispensette® is designed for general laboratory applications and meets with the requirements of relevant norms, e.g. DIN EN ISO 8655. The usage of the instrument for special applications (e.g. for trace analysis, food sector) has to be checked by the user. There are no special approvals available, for instance for specific applications in the medical, pharmaceutical or food sector.

Is a FDA-Certificate available for the Dispensette®?

The Dispensette® is designed for general laboratory applications and meets with the requirements of relevant norms, e.g. DIN EN ISO 8655. The usage of the instrument for special applications (e.g. for trace analysis, food sector) has to be checked by the user. There are no special approvals available, for instance for specific applications in the medical, pharmaceutical or food sector.

Filling of the Dispensette® is not possible. What can be done?

Possible causes: - Volume adjusted to minimum setting --> Please set to required volume (s. chapter 'Setting the volume' in the operating manual). - The filling valve is stuck --> Please clean the filling valve. If the valve is stuck use a 200 µl pipette tip to loosen it - see operating manual. If necessary replace the valve with sealing washer.

It is not possible to dispense with the Dispensette® anymore. What can be done?

Maybe the discharge valve is stuck. The discharge valve should be cleaned. If necessary discharge tube must be replaced (s. chapter 'Cleaning' in the operating manual).

The piston of my Dispensette® is difficult to move. What can I do?

Possible causes are formation of crystals or dirt. Please stop dispensing immediately. Loosen piston with rotating motion, but do not disassemble. Follow all cleaning instructions. See chapter 'Cleaning' in the operating manual for Dispensette® or See chapter 'Cleaning' in the operating manual for Dispensette® S

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