Cole-Parmer has an incredible selection of Digital Pressure Gauges for many types of applications. The gauge you choose doesn't have to be a tough decision. Whether your application is in the laboratory, the factory floor, or in a critical process, Cole-Parmer has the digital gauge that will satisfy your application needs. We are the leading distributor of digital pressure gauges because of our depth and breadth of product selection, availability, and applications assistance.
To help you find the right digital pressure gauge for your application, use Cole-Parmer's on-line search to help you shop by specification or by brand. Alternatively, contact our Application Specialists for free technical support. Let our experts help you find the right digital pressure gauge. Cole-Parmer has over 50 years of experience in finding the right products for our customers.
To help you select a gauge, the following tips my be helpful:
Pressure
Pressure is defined as the force applied over an area, such as the wall of a container or as part of a manufacturing
process. The common English unit for pressure is pounds per square inch, or psi. To convert from psi to other units, see the conversion table below.
Common Pressure Units:
Psig (Gauge Pressure): a measure of pressure in psi that is referenced to ambient pressure.
Psia Absolute Pressure): a measure of pressure in psi that is referenced to zero absolute pressure.
Psid (Pressure Differential): a measure of the difference between two pressures.
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How To Pick a Pressure Gauge
If your system or process depends on pressure and vacuum being measured and controlled, it is imperative that the correct device is chosen. Long-term reliability and cost control depend on picking the right device for a specific application. For example, one would not buy a high-cost precision test gauge for an application involving pressure spikes and vibration. Major factors to consider are:
Process: the pressure sensing element will be exposed to the process media, so select a gauge material that is compatible with your process media. If the process media is corrosive or extreme over-pressure exists, a diaphragm may be required.
Pressure Range: normal pressure range dictates the full range of the gauge you need. ANSI B40 recommends that the operating pressure occurs in the middle half (20 to 75%) of the scale.
Environment: in some cases, the ambient environment can be more harmful to a gauge than the process itself. If vibration, caustic environment, or high operating and ambient temperatures exist, a more rugged, sealed gauge will be needed.
Accuracy: accuracy required for your process depends on the sensitivity of errors in your pressure measurement.