Differential Pressure Plus, Inc., has established itself as the leading manufacturer of high-quality, low-cost differential pressure indicators for the filtration industry.

Our new line of high-precision, high-pressure instrumentation expands our capability into the 2% gauge accuracy range. Through innovative design and manufacturing methods, these new products firmly... (read more)

Swagelok gauges provide accurate pressure measurement for industrial, ultra high-purity & sanitary applications. They offer accuracy in accordance with ASME, EN & JIS, available in stainless steel & reinforced thermoplastic construction, unfilled or liquid filled. A variety of dial sizes, process end connections & mounting configurations support customer requirements. (read more)

Keller digital pressure gauges (a.k.a. digital manometers) are a cost-effective solution in any pressure monitoring application where a local display is required. Available in a variety of pressure ranges, pressure connections, and accuracies, Keller has the digital gauge you need. (read more)

Our extensive experience with miniature pressure gauges makes us eminently qualified to meet your requirements. In fact, its not unusual for us to have already built a gauge that's functionally identical to the one you need. But when you're up against a real challenge, look to QED for an innovative solution. (read more)

The convection gauge is the lowest cost instrument that can provide a continuous monitoring and control of your vacuum system from atmosphere all the way down to 1 mTorr. (read more)

Vacuum Research's thermocouple vacuum gauge is a simple and low cost instrument for vacuum measurement in the popular 1 to 2000 mTorr range (microns). A 0 to 5 VDC analog output is standard on both the indicator and dual set point controller models. Operates with the gauge tubes listed below or any Varian 531 or 536 tube. (read more)

The convection gauge is the lowest cost instrument that can provide a continuous monitoring and control of your vacuum system from atmosphere all the way down to 1 mTorr. The gauge tube is all stainless steel and has both 1/8 inch NPT and 1/2 inch O.D. smooth tubulation for sealing in compression ports. (read more)

The enGage™ IV is a microprocessor based instrument panel that can be programmed to monitor, display and control numerous vehicle functions in a single integrated package. This panel can be used on construction equipment, standby generators, electric vehicles, golf carts, mowers, forklifts, pallet trucks and many other customizable configurations. (read more)

Model 115 Tank Level Bellows-Type Differential Pressure Gauge
Range 0-10" H2O (0-25 mbar) to 0-50" H2O (0-125 mbar)

Drop in replacement for Barton Gauges, and Prime Measurement. (read more)

Dynisco's family of mechanical pressure gauges is the ideal choice for applications requiring simple, maintenance-free pressure indication. (read more)