Pressure I Temperature I Level

Alexander Wiegand, Chairman and CEO, WIKA As a family-run business acting globally, with 11,200 highly qualified employees, the WIKA group of companies is a worldwide leader in pressure and temperature measurement. The company also sets the standard in the measurement of level, force and flow, and in calibration technology. With manufacturing locations around the globe, WIKA ensures flexibility and the highest delivery performance. Every year, over 50 million quality products, both standard and customer-specific solutions, are delivered in batches of 1 to over 10,000 units. Founded in 1946, WIKA...

WIKA – your partner for refrigeration The refrigeration cycle, as one of the components of any refrigeration application, is an important lever to optimise the efficiency of the entire system. This is why monitoring and controlling its various physical parameters is so essential. Cooling occurs by evaporating a liquid refrigerant in an evaporator. The heat required for evaporation is thus extracted from the air to be cooled, which drops in temperature. The evaporated refrigerant then leaves the evaporator at a low evaporation pressure and is drawn through a (refrigeration) compressor to a higher...

Chillers Highest efficiency, smallest possible CO₂ footprint, low sound emissions and low costs − these are just some of the challenges which refrigeration unit manufacturers are faced with. To achieve this performance, the four basic components of a chiller (compressor, condenser, expansion valve and evaporator) must be matched to each other ideally, and the control system should be designed and fine-tuned for the specific application. Each regulation system is only as good as its individual components. In the case of measuring instruments, this means that accurate measurement is needed in order...

Product selection Chillers Bourdon tube pressure gauge 112.28 132.28 213.53 23x.50 Pressure transmitter R-1

For cooling applications in commercial and other non-domestic applications, such as schools, sports centres, shops and offices, larger heat pumps are used. Via of the refrigeration circuit, unwanted heat is removed and thus the process or space is cooled. The heat absorbed by the refrigerant can be transferred to other areas. For example, in production areas where heat is indispensable as part of the production process, such as sterilisation or drying processes. The use of the waste heat, in connection with the use of (non-critical) refrigerants, makes this technology particularly environmentally...

Bourdon tube pressure gauge Optoelectronic level switch Float switch

Rooftops provide a pleasant feel-good climate in commercial buildings or production and storage halls. The advantage of such a solution is that the system is installed on the roof and doesn’t take up any usable space. This type of unit can be used either for heating only, cooling only or a combination of both, also in conjunction with a ventilation system. As these units are installed on the roof of the building, it is important that the equipment and its measuring instruments are able to withstand the ambient conditions. Air-cooled, roof-mounted systems are extremely energy-efficient. The cooling...

Product selection Rooftops Temperature Outdoor thermometer TF41 Bourdon tube pressure gauge 112.28 132.28 213.53 232.50 233.50 Pressure transmitter R-1

Air-handling heat exchanger Nowadays, most ventilation and air-conditioning systems are equipped with a heat exchanger, whereby their energy efficiency is significantly improved. The inlet gas/liquid is usually separated from the outlet gas/ liquid to prevent mixing, though some systems allow the media to be in contact with each other. In the air-handling system the heat exchanger ensures that the heat from the used room air is recovered and returned to the fresh supply air. Legend – Measuring locations: 1 2 3

Product selection Air-handling heat exchanger Electronic ventilation duct temperature sensor A2G-60

The digital world, both in business and for consumers, runs on data. This data is processed and stored around the world in servers located in data centres. This is where the cloud, e-mails and the internet lives. All servers generate a lot of heat, meaning the cooling of Pressure and temperature are monitored throughout all of data centres has to be both reliable and energy-efficient. these systems. For the cooling of the data centre’s buildings there are separate cooling systems: ■ Air-conditioning unit for server rooms (water/glycol/ refrigerant) ■ Air conditioner for server rooms (refrigerant/glycol/...

Product selection Cooling for data centres Resistance thermometer TF-2000 TF44 TF45 Outdoor thermometer TF41 Bourdon tube pressure gauge 112.28 132.28 213.53 Pressure transmitter R-1

Vehicle refrigeration In all travel vehicles on roads and rails, healthy air circulation and climate comfort for the well-being of the occupants play an essential role. Also for the transport of food on trucks, trailers or containers, refrigeration systems are needed to maintain the cooling chain throughout the entire transport until arrival at the consignee‘s stable. Buses and trains are therefore equipped with special cooling systems. With a perfectly thought-out and nested piping system, well-tempered fresh air is supplied to the interior and stale air is removed. Reefer containers for worldwide...

Product selection Vehicle refrigeration Resistance thermometer TF-2000 TF44 TF45 Digital indicator DI10 Bourdon tube pressure gauge 213.53

In all supermarkets, convenience stores and petrol stations, refrigerated cabinets are available for storage and preservation of perishable foodstuffs. It is important that the cabinets work as efficiently as possible and do not consume too much energy, while keeping the goods at the correct temperature. These units are equipped with a special cooling system, On many cabinets, the temperature of the cooled goods is which requires pressure and temperature measurement to displayed. maintain the correct cooling temperature and the proper functioning of the cooling system. Legend - Measuring locations:...