Ultra Low Temperature Freezer

ROCH Mechatronics Inc. is a leading manufacturer, supplier, and exporter of ultra low temperature freezers in India. Ultra Low-Temperature Freezer is widely used in Universities, microbiology, genetics, biotech, and Hospitals Also used for the preservation of red blood plasma, white blood cells, skin, bone, bacteria, semen, and biomedical products in small medium, and large blood centers.

Deep Freezer ideal laboratory freezer to provide a perfect freezing environment for the preservation of vaccines, blood plasma, test samples, and specimens at the desired temperatures (Available in various Models i.e.,-70ºC,-80ºC,-86ºC.)
True – 86°C Ultra Low Deep Freezer itself, the samples stored in it are the most important issue for customers. For this reason, Roch only chooses the most reliable components available in the world.
The reliable proven compressors are Used in a unique cascade system with very low pressures and a completely sealed cooling system
The Roch Ultra Low Freezer is a very durable and reliable system with an extremely low noise level.
This low noise level is created by the very efficient and effective use of the cascade compressor system with non-CFC refrigerants. Temperature controller, Lock and Alarms are built-in features.

FEATURES of Roch Ultra Low Deep Freezer

Equipped with alarms for Low and High Temperature, Power Failure alarm, Low Battery Alarm and system failure alarm.
Highly efficient compression lock for leak free door closure assembly with double silicon gasket seal.
High density foamed-in-place polyurethane foam (PUF) insulation for minimal cooling losses.
Evenly spread evaporator accounts for higher temperature uniformities throughout the cooling chamber.
Specially designed Deep Freezer Upright Latches to keep the door tightly locked eliminating chances of any cooling loss
LCD display
Intelligent Controller helps maintain Deep freezer temperature in case of sensor failure
Auto tuning of controller
Self-Diagnosis for errors
Settable High / low alarm points
Availability of castor wheels for easy mobility.
Service valves provided to allow easy recovery of refrigerants and field servicing.
Front to back airflow with removable, cleanable air filter.
ECO FRIENDLY COMPRESSOR with CFC-FREE refrigerant.
Fitted with Microprocessor Based Digital Temperature Indicator cum-Controller.

CONTROL SYSTEM

Time delay for compressor switch on.
Overload cut of relay for compressor.
Digital Micro processor
Audio visual alarm at eye level.
Sensor failure alarm.
Alarm for high/low set parameters.
Electrical circuit breaker
Actual temperature LED display for better visibility.
Low Noise Level around 68dBA.
Multiple Dual Layered insulated
Audio visual alarm at eye level.
Sensor failure alarm.
Alarm for high/low set parameters.
Electrical circuit breaker.

CONSTRUCTION OF Ultra Low Deep Freezer

Inner Chamber of Ultra Low Deep Freezer made of Stainless Steel, 304 Grade, and duly Polished.
Outer made of CRCA Steel /mild steel cabinet, powder coated.
Double walled single main door with sub doors arrangements.
Compartments, for better sample protection through minimum sample warming.
Inner doors for easy accessibility to crucial samples.
Door outer one solid steel with keyed door lock handle
Outer front double walled door is insulated and is fitted with magnetic tape (rubber gasket) for air tight closing for no temperature loss, provided with handle, lock with key arrangement and Heavy duty hinges with toggle type.
Sub doors made of PP/stainless steel with special silicon Gasket system for leak proof (OPTIONAL)
Inner chamber has places to adjust the shelve at the desired height. Supplied with Stainless steel shelves.
High grade polyurethane foam (PUF-125mm) between outer and inner chamber including door for minimal thermal losses.
Polyurethane Foam Insulation (PUF).
Heavy Duty Castor wheels for easy movement.
Separate sample port for easy access through wall.
Coated with antimicrobial coating eliminates 99.9% surface bacteria within 24 hrs
Password Protection
Deep freezers have microprocessor controller for temperature and alarms with non-volatile memory.
Secure inner doors with reduced cold air loss and improved temperature recovery after door opening.
Shelves are made of stainless steel. Power Supply: Single phase. 220-240 Volts, Frequency 50 Hz.
Door outer one solid steel with keyed door lock handle.

REFRIGERATION SYSTEM

Hermetically sealed compressor with CFC free refrigerant.
Cooling coils is distributed all around the chamber and lies in the air circulation path.
Hermetically sealed make compressor.
CFC free refrigerant filled.
Fin and tube type air-cooled condenser.
100% HCFC/CFC free refrigerant.
Compressor 2 x 1 HP Cascade System
Direct cooling system for stable temperature control by ISI marked heavy duty hermetically sealed and CFC free refrigeration system. Charged with refrigerant to pull down the temperature up to-70°C/-80°C/-86°C.

OPTIONAL FEATURES OF Ultra Low Deep Freezer

4″ Inch attractive LCD display.
Battery backup in case of power failure for display, alarms & off-line data logging.
Histogram format of 24 hours temperature recording.
Settable High / low alarm points.
Memory for storage of up to 1000 records.
Centronic interface to record Temperature, Date, & Time by attaching Dot Matrix printer with adjustable print interval.
Alarm on equipment / output for remote alarm.
7 inch big color touch screen.(Optional)
PLC (Programmable logic controller).
Memory of 15,000 records.
Ethernet port.
Data logger for 8 Point temperature recording with sensor printer interface and software.
Software as per 21 CFR Part 11 requirements.
PLC Based Control System with HMI Touch Screen of Ultra Low Deep Freezer.
Biometrics Magnetic Door Access for Secured Door opening with software to maintain log.
Validation (mapping) consists of one cycle for the temperature at any one set point for 24 hours on empty and loaded conditions.
Standby Refrigeration System.
GSM alert through SIM card.
Multiple level alphanumerical password with password ageing.
Secured audit trail report.
Alarm report with mention of alarm condition.
Mean Kinetic Temperature able to be calculated for any days& alarm deviation report.
Reports in graphical and tabular form.
Data Stored in PC server with Lan connectivity and can be monitored on PC with password authentication.
Multi chamber data acquisition on single software.
Communication through RS 485 / TCP IP.
GSM Mobile Alert/mobile phone Numbers.
Power failure and resumption recorded with date and time.

Technical specifications

Make	ROCH Ultra Low Deep Freezer	.	.	.	.	.	.	.
Model	ULDF-150/250	ULDF-350	ULDF-450	ULDF-550	ULDF-650	ULDF-750	ULDF-800	ULDF-850
Temperature range	-50°C to -86°C	.	.	.	.	.	.	.
Temperature control	Microprocessor based controller/ PLC Based Control System / HMI Touch Screen	.	.	.	.	.	.	.
Lock	Yes	.	.	.	.	.	.	.
Display	LED/LCD	.	.	.	.	.	.	.
Power Failure Alarm	Visual Alarm	.	.	.	.	.	.	.
Internal Body Material	Stainless Steel – 304 grade	.	.	.	.	.	.	.
External Body Material	CRCA Steel /mild steel cabinet, powder coated.	.	.	.	.	.	.	.
Noise Level	Less Than 65 db(A)	.	.	.	.	.	.	.
Power Supply	220-240 volts, 50Hz, Single Phase	.	.	.	.	.	.	.

Frequently Asked Questions (FAQ)

What is an ultra-low temperature freezer (ultra-low deep freezer)?

An ultra-low temperature freezer, often referred to as an ultra-low deep freezer, is a specialized refrigeration unit designed to reach and maintain extremely low temperatures, typically between -40°C and -86°C. These freezers are commonly used in scientific research, medical facilities, and industrial applications for the preservation of biological samples, vaccines, and other temperature-sensitive materials.

What are the primary applications for an ultra-low temperature freezer?

Ultra-low temperature freezers are essential for the long-term storage of various biological samples, such as DNA, RNA, cell cultures, and laboratory reagents. They are also crucial for storing vaccines, medical samples, and materials requiring ultra-cold storage.

How does an ultra-low temperature freezer work?

These freezers use advanced insulation, compressors, and refrigeration systems to reach and maintain extremely low temperatures. They are equipped with temperature control mechanisms to regulate and monitor the interior temperature, ensuring precise storage conditions.

What precautions should I take when using an ultra-low temperature freezer?

Ensure proper ventilation and adequate space around the freezer for heat dissipation.
Regularly inspect and maintain the gaskets and seals on the freezer door to prevent temperature fluctuations.
Avoid overloading the freezer to maintain its optimal performance.
Have a backup power source or generator in case of power outages to prevent temperature fluctuations.

How often should I defrost an ultra-low temperature freezer?

Most modern ultra-low temperature freezers are designed to be frost-free, meaning they do not require manual defrosting. However, regular cleaning and maintenance are still necessary to ensure proper functioning.

Can I store COVID-19 vaccines or other critical materials in an ultra-low temperature freezer?

Yes, ultra-low temperature freezers are suitable for storing COVID-19 vaccines and other critical materials that require ultra-cold temperatures. It is important to follow the manufacturer’s guidelines and maintain the correct storage conditions.

What is the power consumption of an ultra-low temperature freezer?

The power consumption varies depending on the freezer’s size and model. Refer to the manufacturer’s specifications for detailed information on power consumption.

Can I use an ultra-low temperature freezer for household purposes?

Ultra-low temperature freezers are primarily designed for scientific, medical, and industrial use. They are not typically used for household purposes due to their extremely low temperatures and specialized applications.