United Instruments

United Instruments

United Instruments is a manufacturer of portable pneumatic pressure calibration instruments designed for both field and bench use. The company is best known for its LPC series of pressure calibrators, which integrate a hand pump with a precision pressure measurement element to provide a self-contained solution for calibrating pressure gauges, transmitters, and pressure switches across a range of industrial and process environments.

United Instruments calibrators are valued for their portability and straightforward operation, making them well-suited for maintenance technicians working in process plants, oil & gas facilities, and water treatment operations where accurate pressure verification is a routine requirement.

Key Product Lines

• LPC series pneumatic pressure calibrators with integrated pump for field use
• Portable pressure standards for gauge and pressure transmitter calibration
• Bench-top pressure calibration instruments for laboratory and workshop use

Industries Served

United Instruments pressure calibrators are used in oil & gas production and refining, chemical processing, water and wastewater treatment, power generation, and general industrial manufacturing — wherever calibration of pressure instrumentation is a routine maintenance requirement for process safety and measurement accuracy.