Gram BioMidi RR425 Laboratory Fridge
Pricing on request
The Gram BioLine BioMidi RR425 is a professional-grade laboratory refrigerator designed for dependable performance in pharmaceutical, clinical, and biotech environments. With a generous 425 L gross capacity (303 L net), this model offers stable +2 to +20 °C temperature control supported by Gram’s MPC control unit and ventilated air distribution system. The unit consumes only 1.27 kWh per day and features ATEX Category 3 Zone 2 compliance, making it ideal for safe storage of flammable chemicals in regulated environments. Smart defrost, acoustic/visual alarms, and flexible interior fittings complete this reliable solution for critical biostorage needs.
Precision Cooling for Regulated Laboratory Environments
The Gram BioLine BioMidi RR425 is purpose-built to support consistent and energy-efficient cold storage in pharmaceutical and research labs. With a net volume of 303 L and temperature range from +2 to +20 °C, it provides the flexibility and reliability needed for sensitive material storage. Equipped with the Gram BioLine air distribution system, the unit ensures uniform internal temperatures and minimizes energy consumption. The RR425 meets ATEX Cat. 3 Zone 2 standards for safe flammable storage and features a smart control interface with alarm functionality. Its durable finish and versatile interior layout options make it a solid long-term investment for any lab.
Warranty: 1 year
Lead time: 2 weeks
Specifications Gram BioMidi RR425 Lab Fridge
| Temperature range | +2 °C/+20 °C |
| Ambient temperature range | Solid door +10 °C/+43 °C; glass door +10 °C/+38 °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) | 600 x 731 x 1980/2000* |
| Net weight | Unpackaged net weight without optional fittings: 112 kg |
| Gross volume | 425 litres |
| Net volume | 303 litres |
| Modules for shelves and drawers | Shelves 25 – Drawers 12 |
| Insulation | 60 mm polyurethane with HFC-free cyclopentane propellant |
| K-Value | Solid door 0.31 W/m²K glass door 0.47 W/m²K |
| Refrigerant | R290 |
| Refrigerant charge | 102 g |
| CO2e | – |
| Refrigeration capacity at -10°C | R290 389 watt |
| Energy consumption (kWh/24h) (R290) | Solid door: 1.27 / Glass door: 1.63 |
| Heat emission (Watt) (R290) | Solid door: 260,33 / Glass door: 249,43** |
| Connection | 230 V, 50 Hz |
| Connection load (Watt) (R290) | 258 |
| Start current (R290) | 9,7 A |
| Sound level | 47,2 dB(A) |
| Air system | BioLine ventilated air distribution system |
| Defrost system | Automatic smart defrost with re-evaporation of the defrost water |
Options Gram BioMidi RR425 Lab Fridge
- 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