Laboratory refrigerators up to 600 L
GRAM Circulating Air Refrigerator BioMidi RR 425 L (425 Liters), exterior white
(ATEX approval)
Min-max data logger, product protection program, remote alarm connection, on castors
Product information
ATEX Refrigerator for Explosion-Hazardous Laboratory Areas
The GRAM Forced-Air Refrigerator BioMidi RR 425 L is suitable for laboratories, clinics and the pharmaceutical industry that need to store samples or reagents under controlled conditions. Thanks to ATEX approval according to EN 60079-15 Zone 2, the unit can also be used in explosion-hazardous areas where conventional laboratory refrigerators are not permitted.
The high-performance cooling system ensures rapid cooling after door opening within a temperature range of 2 to 20°C (at room temperatures up to 40°C). With 425 l gross, 303 l net cooling capacity, a power consumption of 1.27 kWh/24h and a noise level of 44.7 dB(A), the forced-air refrigerator provides reliable storage conditions. Min-max memory, product protection program and remote alarm connection additionally safeguard the cold chain.
The GRAM BioMidi RR 425 L combines ATEX safety with precise forced-air cooling for demanding laboratory applications. For more information on related systems, please see our Cooling Technology overview or the Ultra-Low Freezers section. Request an individual quote now!
Frequently Asked Questions About This Model
What is the GRAM BioMidi RR 425 L used for?
The refrigerator is used for the safe storage of samples, reagents and temperature-sensitive materials within a temperature range of 2 to 20°C, including in explosion-hazardous areas thanks to ATEX approval.
Which technical specification is decisive for this model?
Decisive is the ATEX approval according to EN 60079-15 Zone 2 in combination with the high-performance cooling system, which operates at a power consumption of 1.27 kWh/24h and a noise level of 44.7 dB(A).
Which laboratories is this unit suitable for?
The unit is suitable for laboratories, clinics and pharmaceutical facilities requiring safe storage in explosion-hazardous environments, as well as for general laboratory use with a medium volume requirement of 425 liters.
How does this model differ from other laboratory refrigerators?
Unlike standard units, the BioMidi RR 425 L features ATEX approval for hazardous areas as well as a product protection program and min-max memory for complete temperature documentation.
What accessories are available for operation and maintenance?
Available accessories include aluminum or stainless steel drawers, perforated stainless steel shelves, wire racks, a glass door, an external data logger and a relay for protection against sub-zero temperatures (not included in the scope of delivery).
Technical data & description
High-performance refrigeration system ensures rapid cooling after door opening.
The units are equipped with environmentally friendly, natural refrigerants and therefore do not fall under the regulations of the Chemical Climate Protection Ordinance for reducing CO₂ emissions (greenhouse effect; Global Warming Potential (GWP)).
Min/max data logger for temperature alarm events (time and temperature are recorded)
Temperature sensor calibration option
Interior made of stainless steel and aluminum
Exterior: painted steel (optionally stainless steel or aluminum)
Product protection program, dry cooling function, calibration option
High-performance refrigeration unit with air management system
Automatic defrosting with evaporation of condensation water
Acoustic door and temperature alarm (temperature limits adjustable)
Potential-free contact for remote alarm connection
Door lock
Additional sensor for temperature measurement in a reference
Cable gland 24.5 mm diameter
ATEX certification (EN 60079-15 Zone 2) for use in explosive atmospheres
Exterior dimensions: 600 x 731 x 2009 mm (including castors)
Usable interior space: 439 x 520 x 1378 mm (W x D x H)
Weight approx. 120 kg
Refrigeration capacity: 425 l gross, 303 l net
Power consumption 1.27 kWh/24 hours
Noise level 44.7 dB(A)
Thanks to the wide selection of equipment options, numerous solutions for individual storage requirements are available. These include large drawers, shelves, wire baskets or storage racks for cryo boxes.
Accessories (not included in delivery):
Aluminum or stainless steel drawers (max. 12 pieces)
Stainless steel shelves, perforated (max. 25 pieces)
Stainless steel wire baskets (max. 25 pieces)
Glass door
External data logger
Relay for protection against sub-zero temperatures
Warranty:
3 years on the unit, 5 years spare parts warranty on the compressor - only within Germany.
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Drahtrost kunststoffbeschichtet
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Price on request -
Drahtrost aus Edelstahl
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Edelstahlboden, gelocht
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Schublade aus Aluminium mit Inneneinteilung
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Schublade aus Edelstahl, 30 kg
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Schublade aus Edelstahl, 40 kg
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506 x 414 mm (Tx H), die Frontblende ist 76 mm hoch, die Innenhöhe beträgt 61 mm
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Schubladen-Längseinteiler
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1 Satz mit 2 Teilern
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Tür aus Isolierglas (nur für Kühlschrank)
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mit integrierter LED-Beleuchtung im Rahmen
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Satz mit 3 Plexiglas-Innentüren
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Relais zum Schutz von Minustemperaturen
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(nur für Kühlschränke)
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