Gram BioMidi refrigerators
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Not sure which product fits your needs or
want to be certain about your choice?
Request free advice
Key features of Gram BioMidi refrigerators
- Temperature range of approximately +2 °C to +20 °C
- Forced air circulation for uniform temperature distribution
- Professional alarm system with visual and audible alerts
- Potential-free alarm contact for external monitoring
- Suitable for GMP, GLP and medical environments
- Compact design with optimal internal space utilisation
When should I choose a BioMidi refrigerator?
- 425 models – suitable for laboratories with limited space or specific storage requirements
- 625 models – suitable for more intensive daily use and larger sample volumes
- Glass door (C) – allows visual inspection without unnecessary temperature loss
- Solid door (L) – provides maximum temperature stability and energy efficiency
Applications
- Storage of reagents, media and samples
- Pharmaceutical and clinical storage
- Biotechnological and microbiological research
- QC and QA laboratories
- Hospitals and research institutes
How are Gram BioMidi product codes structured?
Each Gram BioMidi refrigerator is assigned a product code that clearly indicates the model configuration:
- RR – Refrigerator (laboratory refrigerator with positive temperature)
- Number (425 or 625) – Net storage volume
- C – Glass door
- L – Solid door
Example: BioMidi RR425C is a BioMidi laboratory refrigerator with a net capacity of approximately 425 litres and a glass door.
Available Gram BioMidi models
BioMidi 425
- BioMidi RR425C – glass door
- BioMidi RR425L – solid door
BioMidi 625
- BioMidi RR625C – glass door
- BioMidi RR625L – solid door
Frequently asked questions
What is the difference between the BioMidi 425 and 625?
The BioMidi 625 offers greater storage capacity and is suitable for laboratories with higher daily storage demands, while the BioMidi 425 is more compact and ideal for smaller spaces.
Which BioMidi configuration is best for my application?
The right choice depends on the required storage volume, available space and preferred door type. Our specialists are happy to assist you in selecting the most suitable BioMidi refrigerator.

Gram BioMidi refrigerators are professional laboratory refrigerators designed for applications where reliable temperature stability and a compact footprint are essential. These units are suitable for the safe storage of temperature-sensitive samples, reagents and pharmaceutical products in laboratory and medical environments.
The BioMidi series represents the mid-range segment within the Gram BioLine portfolio, combining a space-efficient design with professional cooling technology, alarm functionality and controlled air circulation. This makes BioMidi refrigerators ideal for daily use in QC, R&D and clinical laboratories.
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This product group is part of the category Laboratory refrigerators and belongs to the Gram Bioline range.