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Service – Precision. Quality. Reliability.

Deionised water, calibrated pipettes and professionally restored equipment ensure your process quality. We offer complete service from collection to return delivery – transparent and tailored to your requirements. Technical datasheets, forms and our product catalogue are available in the Downloads & Datasheets section below.

Our service

Multiple pipettes for laboratories

Pipette service

We handle the calibration, maintenance, and functional testing of pipettes and dispensers. This ensures precise measurement results and reliable performance in the laboratory.

Broken laboratory flask

Repair of laboratory glassware

We professionally repair and refurbish laboratory glassware and equipment. Through expert repair, we maintain functionality and extend the lifespan of your devices.

Laboratory reactor on a rolling stand for laboratories

Stainless steel frame construction

We manufacture custom-made stainless steel tanks and laboratory furniture according to your technical specifications. Our solutions combine robust construction with the highest precision for laboratory and production applications.

Regeneration service - Rettberg_edited.

Regeneration of ion exchangers

We regenerate ion exchangers and mixed bed systems professionally and efficiently. This extends the service life of your products and ensures cost-effective laboratory operations.

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Gebr. Rettberg GmbH | Göttingen

Rudolf-Wissell-Str. 17
37079 Göttingen

+49 (0)551 / 50 50 3-12

Services & Costs

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Downloads & Datenblätter
Water Monitor LWW 20 – Operating Instructions

Installation, commissioning and functional description for monitoring cooling water flow.

Pressure / Check Valve – Commissioning

Instructions regarding transport lock, barrier liquid filling and correct adjustment.

High Vacuum Valves with Glass Spindle – Technical Notice

Information on sealing position and proper handling of the PTFE sealing system.

High Vacuum PTFE Grease TF 100 HV – Data Sheet

Product properties, application areas and safety-related information.

Ion Exchanger – Regeneration Service

Service overview, regeneration process and handling conditions.

Pipette Service – Service & Calibration Order Form

Order form for maintenance, repair and ISO 17025 calibration including service and data options.

Rettberg Product Catalogue

Our current catalogue for laboratory, industry and research – featuring selected products, specifications and ordering information. Download now or order directly in the LabStore.

PTFE Valves – Adjustment Instructions

Guide for readjusting the packing gland using the integrated Allen screw.

Silica Gel Orange – Product Data Sheet

Technical properties, adsorption values and colour indicator characteristics.

Laboratory Glass Coating – Technical Information

Properties, temperature resistance and chemical durability of the protective coating.

Pipette Service & Calibration

Repair, maintenance and calibration services including optional DAkkS certification.

Repair Form – Health and Safety Clearance

Form for requesting repairs including a health and safety declaration.
Required for safe handling and acceptance of returned equipment.

DURAN® Borosilicate Glass 3.3 – Technical Data Sheet

Technical specifications, chemical resistance, and safety information for DURAN® borosilicate glass 3.3 in accordance with DIN ISO 3585:1998. Published by Gebr. Rettberg GmbH.

Specialized Trade & System Procurement

We provide a complete product range for industry and laboratories, offering manufacturer-independent sourcing with personal support.

Manufacturer Expertise

Our in-house production, precise workmanship, and technical know-how ensure certified quality and reliable solutions.

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