Technical Sales manual Laboratory appliances Quality, design and innovation

Contents Laboratory fridges and freezers from Liebherr Why a laboratory appliance and not a domestic appliance? Applications for laboratory and pharmacy fridges and freezers Why should a spark-free appliance be used? Storage of medicines/pharmaceuticals requiring refrigeration Alarm, memory and security functions Temperature, door open and power failure alarm Alarm notifications for controller malfunctions/faults Internal memory functions Special safety function Temperature and alarm documentation Connection for external temperature and alarm monitoring Connection contact for external alarm system...

Laboratory fridges and freezers Laboratory fridges and freezers from Liebherr Fridges and freezers for use in the laboratory and in research have to meet particularly high requirements, especially in terms of safety and temperature consistency. Liebherr appliances therefore have numerous functions and features for the best possible storage of sensitive samples, sensitive chemicals and research materials. The precise controls enable accurate temperature adjustment – and, in conjunction with the highly effective insulation and dynamic cooling system, create optimum storage conditions. Integrated...

Laboratory fridges and freezers Depending on their intended use, Liebherr laboratory and pharmacy fridges and freezers can be divided into the following areas of application: Liebherr Mediline Storage of non-flammable materials Medication storage Storage of flammable materials Typology: 1st letter L ...Laboratory fridge/freezer for general laboratory use M ...Fridge/freezer designed for storage of drugs/pharmaceuticals Storage of medicines requiring refrigeration at +2°C to +8°C LKexv 2600 LKexv 3600 LKexv 5400 LKexv 3910 2nd letter K ...Cooling G ...Freezing C …Combination 3rd/4th/5th letter...

Laboratory fridges and freezers General laboratory use For storage of samples, materials requiring refrigeration, biomaterials, product tests, etc. in a temperature range from +16°C to -86°C. Fields of application: general laboratories, universities, research institutes, industry, etc. The devices are not suitable for operation in potentially explosive atmospheres. Storage of explosive or highly flammable materials: Specially designed for storage of explosive and highly flammable substances in the chemical industry or in special laboratories, Liebherr fridges and freezers have an spark-free interior....

Laboratory fridges and freezers Storage of medicines/pharmaceuticals Fridges for use in pharmacies, hospitals and doctors' surgeries must meet particularly high requirements for the storage of medicines requiring refrigeration in the temperature range from +2°C to +8°C. The Liebherr MKUv/MKv pharmacy fridges in accordance with DIN 58345 therefore have numerous functions and features to provide the best possible protection for high-quality preparations and sensitive medicines. The fixed set temperature of +5°C ensures that the actual spatial and temporal temperature fluctuation in the appliance...

Laboratory fridges and freezers Alarm, memory and safety functions depending on the model Liebherr MediLine fridges and freezers help to protect your stored goods. They offer a wide range of alarm, storage and safety functions that have been developed to significantly reduce the risk of loss of stored goods. Temperature, door open and power failure alarm High/low temperature alarm All Mediline models for general laboratory use that are equipped with an electronic control system have an integrated high/low air temperature alarm with both audible and optical signalling. The factory setting of the...

Laboratory fridges and freezers Alarm notifications for controller malfunctions/faults The following alarm is in conjunction with the internal self-monitoring of the electronic sensors. Although this alarm does not appear directly relevant in the daily use of the appliances, it offers additional safety by ideally warning the user before the air temperature sensor registers an alarm condition. Alarm in case of malfunction of the temperature sensors As a self-monitoring system, the appliance detects defective temperature sensors, whereupon the electronics trigger an audible and optical alarm signal....

Laboratory fridges and freezers Temperature and alarm documentation Liebherr MediLine fridges and freezers help to protect your stored goods. These appliances offer a wide range of features and options that have been developed to externally monitor interior temperatures, product temperatures and alarm events, in order to significantly reduce the risk of loss of stored goods. Connection for external temperature and alarm monitoring RS 485 interface and optional interface converter Models with an integrated RS485 interface can output data to external devices using the standard Modbus RTU protocol....

Laboratory fridges and freezers Connection contact for external alarm system Volt-free alarm contact All models with an electronic control system have a volt-free contact. This relay contact can be integrated into an existing warning system which, for example, notifies security personnel or a facility caretaker outside working hours. Warning systems can be designed with an audible or optical alarm. The following example shows a circuit with an optical alarm. It is possible to display normal operation, the alarm state, or both simultaneously. Furthermore, the circuits can be operated with either...

Laboratory fridges and freezers Connection for product temperature monitoring Interface for optional NTC product temperature sensor All LKPv, LGPv, LG(U)ex, LC(ex)v and LGT models have an integrated interface for connecting an optionally available NTC product temperature sensor to the electronics. The electronic display can be set to show either the internal temperature measured by the control sensor or the “product” temperature registered by the product sensor. Based on this selection, the temperature alarm limits refer to either the control sensor or the product sensor. In addition, the “product”...