COLO Lab Experts — Laboratory Cold Storage — Microprocessor Control
LTF100 −25°C Small Laboratory Deep Freezer (100 L)
Laboratory deep freezer -25°C 100L LTF100 is designed for hospitals and laboratories for storing vaccines, blood and biological samples.
−10 to −25 °C range
0.1 °C temperature control
Direct cooling · Manual defrost
R600a (CFC‑free)
5 alarms · Audible & visual
Lockable door · 5 inner doors
The laboratory deep freezer -25°C 100L configuration combines compact size with precise temperature control for medical cold storage.
Key build highlights include inner-door design for improved insulation, height-adjustable shelves, and a coil evaporator cooling system designed to make chamber temperature more uniform.
COLO Lab Experts – LABORATORY COLD STORAGE / LTF SERIES
LTF100 deep freezer – compact −25°C storage for labs & hospitals
LTF100 provides low‑temperature storage for sensitive medical and laboratory materials with microprocessor temperature control and a digital display.
The LTF100 is suitable for drugs, vaccines, blood and biological/chemical reagents, as well as enzymes, hormones, stem cells, extracted RNA and gene libraries.
Key features of LTF100
- Temperature range – −10 to −25 °C.
- Precise control – 0.1 °C temperature control accuracy.
- Cooling system – direct cooling with coil evaporator design for more uniform chamber temperature.
- Convenient access – inner-door design with 5 individual inner doors.
- Safety & access – lockable door with standard lock and keys.
- Alarm system – high/low temperature, power failure, sensor error, controller failure, door ajar (audible & visual).
- Eco-friendly – CFC‑free refrigerant (R600a).
Where LTF100 fits best
- Hospitals and clinical labs
- Research laboratories (biological and chemical reagents)
- Vaccine and drug storage
- Blood and biomaterial storage (enzymes, hormones, stem cells)
PRACTICAL USE & WORKFLOW
Why users choose LTF100
LTF100 combines direct cooling performance with convenient inner-door access to reduce cold loss during door openings, while maintaining low-temperature storage for sensitive materials.
Adjustable shelves help organize different sample containers, and the lockable door plus multi-alarm system supports controlled access and operational safety.
COLO.Science configuration support
We can help you confirm fit for your application (materials to store, ambient conditions, and alarm/port needs).
Optional: remote alarm port and a 25 mm access port (1×) for probes/cabling.
TECHNICAL SPECIFICATIONS — LTF100
| Product number | PRO6931 |
| Capacity | 100 L (3.53 cu.ft) |
| Temperature range | −10 to −25 °C |
| Ambient temperature | 10 to 32 °C |
| Cooling method | Direct cooling |
| Defrost | Manual |
| Temperature controller | Microprocessor |
| Sensor | NTC |
| Display | Digital display |
| Refrigerant | R600a (CFC‑free) |
| Compressor quantity | 1 |
| Voltage / frequency | 220 V / 50 Hz |
| Power | 48 W |
| Current | 0.9 A |
| Power consumption | 2.2 kWh / 24h |
| Exterior size (W×D×H) | 540 × 540 × 880 mm |
| Interior size (W×D×H) | 410 × 410 × 670 mm |
| Package size (W×D×H) | 590 × 590 × 900 mm |
| Inner doors | 5 |
| Access port (Qty / Dia.) | 1 / 25 mm |
| Remote alarm port | Optional |
| Alarm types | High/low temperature; power failure; sensor error; controller failure; door ajar |
| Power failure backup (alarm) | 8 hours |
Standard configuration highlights
- Inner-door design with 5 individual inner doors
- Lockable door (standard lock with keys)
- Height-adjustable shelves
- Audible & visual alarms (5 types)
- Microprocessor controller with digital display and NTC sensor
Manufacturer reserves the right to change specifications without prior notice.
Configuration & verification note
For procurement/tender use, the only binding specification is the official COLO quotation accompanied by an engineering-approved datasheet. This page summarizes typical LTF100 parameters from the source datasheet.
Applications & laboratory value of LTF100
Hospital & clinical storage
Designed for cold storage of drugs, vaccines and blood in hospitals and clinical environments.
Research samples & reagents
Suitable for enzymes, hormones, stem cells, extracted RNA and gene libraries, and important biological/chemical reagents.
Controlled access & monitoring
Lockable door and audible/visual alarms support safe operation and monitoring of storage conditions.
Ideal for
- Drug, vaccine and blood cold storage (−10 to −25 °C)
- Lab reagents and sensitive biological materials
- Facilities needing inner-door insulation design and lockable access
- Sites requiring alarm coverage (temperature, power failure, sensor/controller, door ajar)
Request a quote for LTF100
Share your application (materials to store), installation ambient temperature (10–32 °C), and whether you need the optional remote alarm port or the 25 mm access port for probes/cabling.
