Gram BioMidi EF425 Low Temperature Lab Freezer
Pricing on request
The Gram BioMidi EF425 is a high-performance -40°C laboratory freezer designed for pharmaceutical and scientific environments requiring precise and secure low-temperature storage. With a gross volume of 425 L and a net volume of 303 L, this ventilated freezer ensures fast temperature recovery and consistent stability. Its Gram Multi-Purpose Control Unit provides individual alarm settings, voltage-free alarm contacts, and integrated temperature logging. ATEX Zone 2 compliance guarantees safe storage of flammable chemicals, making the EF425 a trusted solution for GMP-compliant laboratories.
Advanced ATEX Freezer for Safe Low-Temperature Biostorage
The Gram BioMidi EF425 delivers exceptional low-temperature storage performance tailored for pharmaceutical, medical, and industrial laboratories. With a stable temperature range from -5 to -40 °C and an internal net capacity of 303 L, it provides both power and precision in temperature-sensitive environments.
The integrated Gram Multi-Purpose Controller ensures critical sample security through programmable visual and acoustic alarms, while the E-sensor continuously monitors internal conditions. The ATEX Category 3 Zone 2 compliance makes it ideal for safely storing flammable substances and chemicals. The energy-efficient R290 refrigerant system and 60 mm thick HFC-free insulation help minimize energy costs without compromising reliability.
From its ergonomically designed access to its high-capacity airflow system, the EF425 supports strict GMP, GLP, and ISO compliance demands in scientific and pharma-grade laboratories.
Warranty: 1 year
Lead time: 2 weeks
Specifications Gram BioMidi EF425 Low Temperature Lab Freezer
| Temperature range | -40 °C/-5 °C |
| Ambient temperature range | +10 °C/+30 °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 and inner doors in PMMA |
| Material exterior | White lacquered steel or stainless steel |
| Dimensions (WxDxH) | 622 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 |
| Refrigerant | R290 |
| Refrigerant charge | 105 g |
| CO2e | – |
| Refrigeration capacity at -40°C | R290 396 watt |
| Energy consumption (kWh/24h) (R290) | 8.93 |
| Heat emission (Watt) (R290) | 528,83** |
| Connection | 230 V, 50 Hz |
| Connection load (Watt) (R290) | 565 |
| Start current (R290) | 23,5 A |
| Sound level | 57.8 dB(A) |
| Air system | BioLine ventilated air distribution system |
| Defrost system | Automatic smart defrost with re-evaporation of the defrost water |
Options Gram BioMidi EF425 Low Temperature Lab Freezer
- Aluminium drawers
- ABS drawers
- Perforated stainless steel shelf
- Stainless steel – wire shelf
- plastic white coated wire shelf
- Wire basket
- Refference container
- Legs, castors or plinths
- Wall mounting
- IQ OQ
- PQ