Gram BioMidi RF625 Laboratory Freezer
Pricing on request
The Gram BioLine BioMidi RF625 is a high-performance laboratory freezer designed for large-volume storage of sensitive materials. With a temperature range of -25 to -5 °C and a generous 451 L net capacity, this unit ensures stable and reliable cold conditions. The ventilated BioLine air distribution system guarantees even cooling throughout, while the energy-efficient R290 refrigerant supports environmental responsibility. The RF625 is ATEX Cat. 3 Zone 2 certified, making it suitable for the safe storage of flammable substances. Ideal for pharmaceutical and biotech applications.

Large-Capacity Freezing for Critical Storage Needs
The Gram BioLine BioMidi RF625 is engineered for laboratories requiring reliable, energy-conscious, and regulation-compliant freezing. It features a powerful cooling system capable of maintaining stable temperatures down to -25 °C, even under demanding ambient conditions. Its spacious 625-liter gross volume and smart layout options ensure efficient organization of critical samples.
With the Gram MPC control unit, users benefit from precision monitoring, visual and acoustic alarms, and remote alert connectivity. The RF625 is insulated with HFC-free foam and utilizes R290 refrigerant, aligning with sustainable standards. Its compliance with ATEX Category 3 Zone 2 makes it a secure solution for storing flammable chemicals, adding another layer of safety for regulated laboratory environments.
Warranty: 1 year
Lead time: 2 weeks
Specifications Gram BioMidi RF625 Lab Freezer
| Temperature range | -25 °C/-5 °C |
| Ambient temperature range | +10 °C/+43 °C |
| Control unit | Gram Control Unit with voltage free contact, alarms and offset function |
| Alarms | Acoustic and visual, High/Low temperature alarms and door alarm |
| Access port | 1 pcs. Ø 24.5 mm |
| Material interior | Aluminium/stainless steel or stainless steel |
| Material exterior | White lacquered steel or stainless steel |
| Dimensions (WxDxH) | 815 x 731 x 1980/2000* |
| Net weight | Unpackaged net weight without optional fittings: 152 kg |
| Gross volume | 625 litres |
| Net volume | 451 litres |
| Modules for shelves and drawers | Moduls 25 – Drawers 12 |
| Insulation | 60 mm polyurethane with HFC-free cyclopentane propellant |
| K-Value | Solid door 0.31 W/m²K |
| Refrigerant | R290 |
| Refrigerant charge | 95 g |
| CO2e | – |
| Refrigeration capacity at -25°C | R290 512 watt |
| Energy consumption (kWh/24h) (R290) | 4.03 |
| Heat emission (Watt) (R290) | 444,75** |
| Connection | 230 V, 50 Hz |
| Connection load (Watt) (R290) | 460 |
| Start current (R290) | 13,1 A |
| Sound level | 48,4 dB(A) |
| Air system | BioLine ventilated air distribution system |
| Defrost system | Automatic smart defrost with re-evaporation of the defrost water |
Options Gram BioMidi RF625 Lab Freezer
- Aluminium drawers
- ABS drawers
- Perforated stainless steel shelf
- Stainless steel – wire shelf
- plastic white coated wire shelf
- Wire basket
- Glass door
- Refference container
- Legs, castors or plinths
- Wall mounting
- Chart recorder
- DIN-kit 13277
- Low temperature protection
- IQ OQ
- PQ
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