Liquid Level Sensor - An Effective Device For Detection

The Liquid level sensors can be used to detect the level of liquid and the interfaces on the liquids. The interfaces can be liquids and solids or oil and water. The sensor can be called as integrated system or transducer.

Liquid sensor is very important especially for industrial refrigeration system. The sensors can be used for many purposes such as detecting the level of liquids in a tank and many more. The level of liquids can be detected using the monitor which is operated continuously or operated at certain points to follow when the alarms trigger. Commonly we can see the light indicator or LCD monitor which let us know the level of liquid.


You might even find that some refrigeration systems require the use of two level sensors. Usually, you can see industrial refrigeration systems come with a condenser, two compressors, two evaporators, two expansion devices, a level sensor for liquid, and also a phase separator. All of them are connected in a special order. The refrigeration systems use level sensor for liquid to know the liquid level from the signal sent by the sensor.

It is much recommended to have the liquid level sensor especially if your job requires having this device. You will surely able to detect the liquid level of an object easily without examining by your self. By having this sensor your job will surely easier since you only need to monitor the liquid level from the light indicator or from the screen.

Check out what kind of sensor which you need the most since you might see several models of sensors that can be different in usage. Find out the right sensor by examining what kind of sensor which can be good for your need. It is possible to find the liquid level sensor at very affordable price since many of the sensors are made to meet the economic value. The sensors are also very easy to use and can surely make your job a lot easier.

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By: Pamela G. Grizzle

Temperature Controllers for Domestic and Industrial Purposes

The temperature controllers can be introduced as one of the important inventions of modern technology. Thanks to the controllers, now we have the chance to control our domestic and industrial temperature in order to meet with our comfort and requirements. Therefore, we have the opportunity to continue with our day to day activities though it is a sunny or a cloudy day.

The air conditioner can be introduced as a temperature controller which uses at domestic and industrial purposes. However, at the industrial automation segment these air conditioners will work with an AHU and a chiller. Mostly, these two components are stored at one room, and it can control all the air-conditioning system at the factory premises. Therefore, these AHU and chiller have a great value for the industrial world.

In addition to that, the industrial personals need to keep certain machines at controller temperature. Therefore, they have to use these special temperature controllers to keep the said machines under the required conditions. Furthermore, these controllers are very much essential to justify the actual temperature of any machine and heat of the surrounding area. So the machine operators and the industrial engineers can work efficiently to make the best productive use from the machines.

However, if you refer to the market, you may find lots of temperature controller models are available in the industry. So you must be wise enough to select what the best temperature controller according to your requirement and the budget. It can make you really comfortable on your industrial business, and you will never be disappointed about the controller which you used at your industrial premises or the air conditioner which you use at your domestic purpose. So, the choice is in your hand to get the best valued product for your hard cash, and you can get the best results accordingly.

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By Thomas J Scott

Considerations When Selecting a Differential Pressure Sensor

Important considerations when selecting a differential pressure sensor are presented. These include the highest level of pressure and the range of differential pressures that the sensor can take. First of all, this particular device, which may also be a differential pressure transmitter, has the task of measuring the difference between two or more pressures. The value is often utilized as input for a process feedback system to make sure that the process is running within the desired range of parameters. An important consideration when choosing this kind of device is to avoid the confusion about the pressure ratings. Because the measured pressure is the difference between two values, this is relatively small compared to gauge pressure or absolute pressure. Therefore, there is the danger of exposing the product to too much pressure if the expected differential pressure is utilized as basis for determining the ratings of the differential pressure sensor to be purchased.

There is also the possibility that the pressure that would be exerted on the sensing diaphragm of the differential pressure sensor will not be even throughout the length of this device. The uneven distribution of the stress can result in a modification of the analog output signal if the mechanical configuration of the sensor is not designed to handle this type of stress. The skewed distribution of the pressure is likely to offset the sensing diaphragm so that it would become off-center from its previous location. The uneven distribution of forces on the sensing diaphragm can actually affect the whole sensor because this particular part is connected to several other components.

Some of the sensors that could be affected by uneven pressure are those that have thin and fragile isolation membranes at both sides of the sensing diaphragm. The potential problem is that the volume of the oil that is found inside the transducer can increase or decrease in size depending on the temperature controllers. To avoid this problem, the design of the isolation membranes could be adjusted in such a way that the thermal expansion or contraction of the oil will not affect the sensing diaphragm too much. Meanwhile, another way to avoid the above problem is to have dry transducers, such as the Keller pressure sensors. Because the temperature has less effect on solids, these sensors are more stable although they are not completely free from the changes caused by temperature.

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By Gavin Cruise