Laboratory freezer ULT500

safetyfor sample storagebiomedical

Overview
Maximum protection for critical biological samples. Secure ultra-low temperature storage with high thermal stability, integrated safety features and energy-optimised cascade cooling for reliable long-term sample preservation.

Range of functions

• Adjustable parameter: temperature
• Control unit: 7" touchscreen integrated in the outer door in ergonomic position

Temperature
Setting range: -50 to -86 °C
Cooling system: two-stage cascade compressors (first stage R455A / second stage R170), air-cooled condenser
Setting accuracy: 0.1 °C

Communication

• Interfaces: Ethernet LAN, USB

Safety

• Power failure: backup battery for alarming and monitoring during power interruptions
• Temperature monitoring: Pt1000 sensor
• Alarms: visual and acoustic

Standard equipment

• Door-open detection
• Entry port / pressure relief opening Ø 26 mm, lateral
• Insulated stainless steel outer doors with mechanical door lock
• Standard interior configuration: 4 compartments with 2 stainless steel inner doors and 3 height-adjustable shelves for flexible load adaptation

Stainless steel interior
Internal dimensions (W x H x D): 600 x 1345 x 627 mm
Max. number of 2" / 50 mm boxes: 384
Volume: 506 l
Max. chamber load: 360 kg (max. 180 kg per internal shelf)

Textured stainless steel casing
External dimensions (W x H x D): 850 x 2000 x 888 mm
Installation: mounted on lockable castors

Packing / shipping data
Customs tariff number: 8418 40 80
Country of origin: Netherlands
Transport information: unit must be transported upright
Dimensions incl. carton (W x H x D): 1080 x 2220 x 1080 mm
Net weight: approx. 343 kg
Gross weight (with carton): approx. 430 kg

Certifications
Standard units are safety-approved and bear CE marking

Technical specifications

• Model: ULT500
• Brand: Memmert
• Temperature range: -50 to -86 °C
• Cooling: 2-stage cascade compressors; refrigerants R455A (first) / R170 (second); air-cooled condenser
• Temperature setting accuracy: 0.1 °C
• Control: 7" touchscreen (outer door)
• Communication: Ethernet LAN, USB
• Temperature sensor: Pt1000
• Alarms: visual and acoustic; backup battery for power-failure alarming
• Internal volume: 506 l; internal dimensions W x H x D: 600 x 1345 x 627 mm
• Chamber load capacity: max. 360 kg (180 kg per internal)
• Max. storage: 384 x 2" / 50 mm boxes
• Exterior casing dims (textured): 850 x 2000 x 888 mm; mounted on lockable castors
• Packing dims incl. carton: 1080 x 2220 x 1080 mm; net weight ~343 kg; gross weight ~430 kg
• Customs tariff: 8418 40 80; Country of origin: Netherlands
• Certification: CE