Liebherr SRFvg 4011 Performance Laboratory refrigerator

±3°C temperature stability

Only minor temperature fluctuations ensure the quality of sensitive substances. Liebherr cooling units impress with a maximum deviation of ±3 °C from the set temperature. This not only preserves the storage climate, but also the value of your stored goods.

Easy-to-clean interior

The plastic inner container is made of polystyrene, a fully recyclable, robust and odorless plastic. Seamlessly made from one piece, it has no hidden dirt traps and can be cleaned quickly and easily in large radii. The perfect combination of sustainability and hygiene.

+2°C Safety Device

If the temperature in the device falls below +2 °C due to a fault, the +2 °C SafetyDevice function takes over control, keeps the temperature stable and activates an alarm. Sensitive substances are thus protected from freezing and you are notified immediately.

Retrofittable WiFi/LAN interface 

It's so easy to network a Liebherr: With the retrofittable WiFi and LAN interface, devices can be effortlessly connected to external systems, such as SmartMonitoring from Liebherr. With the digital monitoring solution, the storage temperature is controlled and documented - conveniently and securely via the interface set up later.

SmartMonitoring: your plus in security

Liebherr's digital monitoring solution reliably controls and documents the bearing temperature and alerts you immediately in the event of deviations. For maximum safe cooling and freezing and optimal protection of your valuable contents.

Alarm test function

This test run can be used to check the functionality of the internal and any externally connected alarm device. The cooling of the device is not interrupted during this test run.

Ten years of spare parts availability

Sustainable not only means environmentally friendly and economical, but also durable. So that you can enjoy your Liebherr appliance for a long time, Liebherr guarantees that spare parts will be available for at least ten years. Everything is done in advance to ensure that you do not need any spare parts in the first place.

Additional access port for calibration

An additional feedthrough can be retrofitted for regular calibrations or measurements. For this purpose, a hole for a cable inlet with a maximum diameter of 40 mm is drilled at a specially designated point.

Height adjustable feet

With height-adjustable feet as accessories, the device height can be adjusted to your needs and habits. For example, you can raise your professional device to make it easier to clean underneath.

alarm test

Only an alarm that goes off is a good alarm. With the alarm test, the functionality of the internal and possibly an externally connected alarm device can be checked. The cooling of the device is not interrupted during the test run. And you can calmly simulate an emergency and practice with your staff.

alarm relay

In the event of an alarm, the responsible control center is informed immediately, usually through a connection to the building management system. You can specify in advance which alarms are to be forwarded, how long the forwarding remains active and whether a reminder should be given after the alarm has been acknowledged. In this way, you can react immediately in critical situations.

Antimicrobial handle with opening mechanism

Makes it easy for colleagues and difficult for pathogens: thanks to its mechanism, the smooth-running handle can be opened effortlessly. In addition, it is mixed with special antimicrobial substances and reduces up to 99.99% of bacteria*. Regular and time-consuming disinfection becomes superfluous. In this way, daily gripping by many different hands becomes as secure as possible. *according to ISO 22196:2011

calibration function

Due to operational requirements and application-specific conditions, deviations from the set temperature to a storage temperature determined with calibrated thermometers are possible in the interior. These deviations can be adjusted using the calibration function. For the secure feeling of cooling at precise temperatures.

Changeable door stop

Liebherr appliances are factory-fitted with doors hinged on the right. The door hinge can be changed to the left without much effort - and above all without additional parts. This gives you maximum flexibility when choosing your installation location.

Replaceable door seal

Save time and money: Liebherr's pluggable door seals can be easily replaced. If a seal is damaged, you can replace it yourself without any tools.

Suitable for clean rooms

Liebherr refrigerators and freezers have been tested for use in clean rooms in accordance with DIN EN ISO 14644. An additional risk assessment for cleanroom suitability by the customer is therefore no longer necessary. This saves time and costs.

Clear device information

Should be there immediately when you need them: all information about the device. That's why every Liebherr has its serial and service number as well as the model name on the display so it's easy to read. Annoying searches or even clearing the interior for reading are a thing of the past.

demo mode

For training purposes or exhibitions, the functionalities of the device can be simulated in demo mode without having to put the device into operation. This saves time and money as the cooling function is not required.

Design for a useful life of 15 years

Sustainable not only means economical, but also durable. High-quality materials with solid workmanship, coupled with spare parts availability for at least ten years, make a Liebherr appliance a robust, reliable and extremely long-standing top performer in demanding everyday work

evaporator cover

To prevent stored substances from coming into contact with the cold surface of the evaporator, it is secured with a cover. Accidental freezing to its surface is therefore impossible. In addition, the evaporator cover ensures even greater temperature stability.

Feedthrough for external sensors

Wiring from the outside to the inside is required to additionally control the bearing temperature using a separate sensor. The cable entry offers a clean and professional solution here. The integrated opening allows a connection without drilling holes or breaking the door seal.

Hidden customer menu

Protected, secure, simple: users can access the hidden customer menu to receive status information about the device or make detailed device settings, such as resetting to the factory settings. Since this information and settings are on a separate, code-protected menu level, unwanted changes or manipulation are avoided.

Hidden technician menu

The hidden service menu enables the device to be configured individually, such as alarm sound on/off, adjusted setpoint ranges or changes to the automatic defrosting. With the help of technical fine adjustments, the device is adapted to your specific needs.

Intuitive menu navigation

Convenience at your fingertips: Read the device status without opening the door - very simply on the control panel that is flush with the door. The menu navigation is self-explanatory and is controlled via three touch buttons.

Mechanical lock

All professional Liebherr devices are equipped with a mechanical lock with two keys for storing temperature-sensitive products. So you can be sure that no unauthorized hands have access to your stored goods.

Almost maintenance free

Saves time, nerves and costs: Professional Liebherr free-standing appliances work without filters or other components that need to be changed regularly and maintenance-intensive parts. Only regular cleaning and calibration according to your individual needs are necessary.

Standard IEC 61010-2-011 standard

Liebherr refrigerators and freezers specially developed for storing temperature-sensitive products are CE safety-compliant. This guarantees all mechanical and electrical requirements for injury-free operation - and you and your staff are always on the safe side.

Perforated tray

Optional accessories for the safe storage of samples, reagents, etc.: The perforated shelf offers even the smallest containers with an uneven surface a secure footing with optimal air circulation. For your plus in stability - also in terms of storage temperature.

Power Outage Info

If the power supply was interrupted due to a fault, the power failure info appears when the power returns. This reports that the device was temporarily without power and what the maximum temperature was reached during this time. This allows you to assess whether a loss of quality is to be expected due to the power failure.

quick start Guide

Nobody likes to read instructions. That's why Liebherr offers an overview of the most important things on two pages. This includes information on menu navigation, the electronic lock, cleaning and general topics such as permitted/prohibited stored goods. You can safely leave the reading of the original manual to the technician.

Recommended cleaning agents / disinfectants

Liebherr appliances are designed for a service life of 15 years. In order to maintain this, cleaning and disinfecting agents are recommended in the manual or separately, which Liebherr has tested to ensure that they are safe to use. So you can be sure that you are not harming your device while you actually want to do it good.

reminder function

When the next basic cleaning or calibration is due - the reminder function reminds you of this. The interval can be selected in predefined intervals and set directly on the device. And the head remains free for your valuable work.

Self-closing door < 90° / automatic door closing under 90°

Convenience during routine work, safety in the event of inattentiveness: the appliance door remains open from an opening angle of approx. 90°, making loading and unloading and cleaning easier. It closes by itself below approx. 90° so that the device is not left open accidentally. This keeps the temperature stable and preserves the quality of your stored substances.

Settings with password protection

All settings that affect the function or control of the device can be secured with a password. The contents are thus optimally protected against unwanted changes or manipulation of the storage conditions.

Side by side set

The accessory kit provides a clean and secure solution for lining up multiple devices. The devices are firmly connected to each other via a profile rail so that they cannot slip and form a seamless front. The fixation also guarantees the recommended distance and prevents condensation between the devices.

Min/Max temperature recording

Always keep an eye on the temperature: the min./max. temperature recording saves the minimum and maximum values ​​of the interior temperature from a defined start time and shows them clearly on the display. In this way you can be sure that the storage temperatures were within the tolerated limits up until the time the reading was taken.

Digital temperature display

The digital temperature display shows the inside temperature of the cooling device to the degree. Operators and users can thus quickly get an overview of the device temperature.

convection cooling

Highly efficient fans ensure that freshly stored goods are cooled quickly and that the temperature is even throughout the interior.

Efficient refrigeration system

Thanks to decades of experience in the field of refrigeration technology combined with continuous research, Liebherr guarantees the outstanding quality of the refrigeration system. The use of high-quality compressors, condensers, evaporators and other refrigeration components ensures both a significant reduction in energy consumption and a reduction in the operating costs of Liebherr appliances.

LED interior lighting

All laboratory refrigerators with glass doors have separately switchable LED interior lighting. This illuminates the interior evenly and enables quick and targeted access to the stored products.

temperature alarm

The integrated temperature alarm signals when the temperature exceeds or falls below the alarm limits. This alarm is equipped with both acoustic and optical signaling and thus ensures maximum security of the stored goods.

Temperature stability and consistency: EN 60068-3

All laboratory refrigerators and freezers are tested in the modern Liebherr development facilities according to the EN 60068-3 test procedure to measure temperature stability. The temperature is measured at nine different points inside the devices.

Environmentally friendly refrigerant

Liebherr appliances are optimized with regard to the best possible energy efficiency and low operating costs. Only the natural and environmentally friendly refrigerants R 600a and R 290 are used. In conjunction with highly efficient compressors, these are extremely powerful - and with their low greenhouse potential, they are also future-proof.

Changeable door stop

The devices are factory-fitted with right-hand door hinges. With the possibility of changing the door hinges, the device can always be placed optimally in the installation area and adapted to individual needs.

Note: Despite careful data maintenance, we reserve the right to make technical changes, errors and deviations in image and text content compared to the original device.