High-Performance, Lab Guard ULT Freezer Model: MD-86L108 - Technical Data Sheet - Application, Rating, & Electrical Data

Oct 23, 2026

Technical Data Sheet for the Midea Biomedical High-Performance Lab Guard under-counter ULT freezer model MD-86L108. It specifies application as an ULT freezer with 108 L storage volume, temperature range of -40°C to -86°C, default set point at -81°C, and multi-voltage power supply options. Electrical, certification (CE&UL), door and operating-environment requirements are listed. Refrigeration is described as a self-cascade system with hermetic fixed-speed compressor, air cooling condenser, capillary tube expansion, built-in evaporator, manual defrost, and mixed refrigerant. Performance includes temperature uniformity, recovery time after door opening, energy use, noise, heat rejection, pull-down time, dimensions, alarms, USB/PDF download, and temperature logging with backup power.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages2

Reading Time5 min

AccessFree to download

Application, Rating, & Electrical Data

Refrigeration

Controller / Configuration Settings

Performance Characteristics (Normal Operating Conditions)

Dimensions and Construction

Temperature Recover, Typical Temperature Map (Test Data)

Midea Biomedical, Hefei City, China [www.mideabiomedical.net](www.mideabiomedical.net) Technical Data Sheet High-Performance, Lab Guard ULT Freezer Model: MD-86L108,Under Counter ULT Freezer Application, Rating, & Electrical Data | Application | ULT freezer | | --- | --- | | Storage Volume（L/Cu. Ft） | 108/3.81 | | Temperature Range | -40°C to-86°C | | Default Set Point | -81°C | | Power Supply | 115/60Hz|220-240~V/50Hz|220-240~V//60Hz | | Current | 8A | 4.9A | 3.3A | | Power Cord Length | 1.7m | | Certiﬁcation | CE&UL | | Door type | Solid door | | Application Environment | Non-corrosive, non-ﬂammable, non-explosive | | Ambient Operating Temperature | 10°C~32°C | Refrigeration | Refrigeration System | Self-cascade | | --- | --- | | Compressor | Hermetic, ﬁxed speed | | Condenser Type | Air cooling | | Expansion Device | Capillary tube | | Evaporator Type | Built-in | | Defrost Method | Manual defrosting | | Refrigerant | Mix refrigerant | Controller / Conﬁguration Settings | Display screen | LED | | --- | --- | | Controller Type | Microprocessor | | Security | Lockable door, password protected settings | | Control Sensor | PT1000, stainless steel | | Communication Ports | USB, Remote alarm contacts | | Power Failure Alarm | Yes | | High/Low Alarms | Yes, fully adjustable | | Door Ajar Alarm | Yes | | Download | Yes, via USB, PDF | | Temperature Log | Yes, download via USB | | Battery Back-up | Yes, 44 hr display and alarm
back-up | Rechargeable 12V, lead acid | | Performance Characteristics (normal operating conditions) | | | --- | --- | | Uniformity |(℃) | ±3.0 | | Recovery to-75°C after 1 mindoor opening | （min） | 17.5 | | Energy consumption | （kWh/day） | 5.2 | 4.6 | 3.9 | | Noise emission | （dB） | 46 | 45 | 45 | | Heat rejection | （BTU/hr） | 1400 | | Pull-down time to-81°C | (min) | 210 | 180 | 180 | | Dimensions and Construction | | | --- | --- | | Interior (w*d*h) | 440*435*590 mm | | Exterior (w*d*h) | 955*675*815 mm | | Access Port | 2 Access Port-for external monitoring probe(s)(25 mm diameter) | | shelf | 1 | 49 kg max capacity | | Wheels | N | | Net Weight | 113 kg | | Gross Weight | 141 kg | All performance data from 108L ULT freezer, 25 ambient, -81°C Uniformity Temperature ℃ Temperature ℃ Temperature ℃ Temperature ℃ Elapsed Time (min) Cooling Speed Elapsed Time (min) DOR 1 minute Elapsed Time (min) Temperature recover curve Typical Temperature Map | | test 1 | test 2 | test 3 | test 4 | test 5 | test 6 | test 7 | test 8 | test 9 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Avg | -81.18 | -81.49 | -81.56 | -80.89 | -78.71 | -79.15 | -79.47 | -79.27 | -79.52 | | Max | -78.30 | -78.60 | -78.70 | -78.10 | -77.00 | -77.40 | -77.60 | -77.40 | -77.80 | | Min | -84.10 | -84.30 | -84.40 | -83.70 | -80.61 | -81.10 | -81.50 | -81.30 | -81.70 | Midea Biomedical,Trademarks are the property of their respective owners. Drawings are not for engineering use, and speciﬁcations may change. Not all products are available in all countries, so please check with your local sales representative for details. Elapsed Time (min)

FAQs

What are the storage volume and temperature specifications for the MD-86L108 ULT freezer?

The MD-86L108 provides a 108 L (3.81 cu. ft) storage volume. It operates over -40°C to -86°C with a default set point of -81°C.

How does the freezer handle refrigeration and defrosting?

It uses a self-cascade refrigeration system with a hermetic fixed-speed compressor, air-cooled condenser, capillary tube expansion device, and a built-in evaporator. Defrosting is manual.

What monitoring, alarms, and data logging features are included?

The controller supports a password-protected lockable door, PT1000 stainless-steel temperature sensing, USB and remote alarm contacts, and power failure/high-low/door-ajar alarms with adjustable thresholds. Temperature logs and PDF downloads are available via USB, and there is a rechargeable 12V lead-acid battery backup for up to 44 hours of display and alarm backup.

Oct 23, 2026

Uploaded by 4398046744996