Measuring Instruments/
Test Equipment

Differential pressure meters
This page contains information about our differential pressure meters used as handheld digital devices. These differential pressure meters are excellent for measuring differential pressures of gases and liquids in the industrial sector, in medical engineering and meteorology. These differential pressure meters contain many characteristics found in modern measuring instruments such as, memory for minimum and maximum value, Data Hold function, display, internal memory, the ability to transfer data to a computer and software for processing measurement values. Some models come with an analogue output. As such, the readings can be used to regulate or test systems. Please take into account the different measurement ranges of our differential pressure meters (0 to 400 bar) and their suitability for gases or gases and liquids. In relation to differential pressure meters for liquids, it must be taken into consideration that they can only be used with liquids like water, oils and emulsions, but not with acids nor bleach. Note: these devices do not come with ATEX protection. Furthermore, they cannot be used with inflammable gases or those with high concentrations of suspended particles, as such, there is always a risk of damage to the apparatus. Our technicians and engineers are happy to assess your needs regarding differential pressure meters, or any other of our products. If you don't find the differential pressure meters you are looking for, please contact us and we will help you find the best solution to suit your needs by calling our offices on: +44 ( 0 ) 191 377 3398 and our technical staff will advise you regarding our measuring instruments.

Technical specifications for our differential pressure meters can be found at the following links:

- PCE-P01 series Differential pressure meters 
  (differential pressure meters with a measuring range from -140 toa 140 mbar and software)

- PCE-P series Differential pressure meters 
  (differential pressure meters to measure air, accurate, RS-232, software)

- PCE-910 / 917 series Differential pressure meters 
  (differential pressure meters to measure liquids and gases, highly accurate results)

- DC-100S series Differential pressure meters 
  (Differential pressure meters with pitot tube, memory and software for data processing)

- PCE-DM series Differential pressure meters 
  (differential pressure meters to measure gases, high resolution, memory and software)

- PCE-DB-2 series Differential pressure meters
  (differential pressure meters to measure atmospheric pressure and with memory)

- PCE-MS series Differential pressure meters 
  (shows industrial differential pressure, with display and analogue output)

Differential pressure meters are generally used for measurements before and after a specific point, for example, the input and output points of a pump, or to determine the condition of a filter in a filtration system. It's also possible to carry out a quick zero reset. Differential pressure meters are frequently used to verify hermetical seals or measure pressurized containers in relation to the absolute exterior pressure. The sensor is a mechanism that measures the difference between two absolute pressures, that is to say, the differential pressure. The sensor is generally composed of two measurement chambers that are separated by a membrane. The deviation of the membrane due to the pressure shows the measurement of the differential pressure. A special group of differential pressure meters are those devices that are used in combination with a Pitot tube. This is where Bernoulli equations are applicable. The Pitot tube is put in front of the open tube, and is exposed to a cross current in such a way the the centre of the shaft is situated parallel to the current and the current enters via the front of the tube opening. The part behind is securely connected to a differential pressure meter. To ensure an exact measurement, all our differential pressure meters can be calibrated and provided with an optional ISO certificate which can be ordered with the device or at a later date when it is required. This consists of a laboratory calibration and a corresponding ISO certificate.

Following is a conversion table which will allow you to quickly determine the range of pressure in your place of work, in distinct units of measurement normally used to measure pressure:

If you wish to print a selection of the differential pressure meters from our printed catalogue, click the PDF symbol.

 

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If you have any doubt, call our technicians on: +44 ( 0 ) 191 377 3398.

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