Description

Digital Pressure Gauge

The Digital Pressure Gauge is a precision pressure measuring instrument designed for accurate, reliable, and easy-to-read measurement of pressure in industrial and process applications. It uses an electronic pressure sensor to detect process pressure and converts the measured value into a digital reading displayed on a clear LCD or LED screen.

Compared with conventional mechanical pressure gauges, the Digital Pressure Gauge provides easy-to-read numerical measurement, high resolution, and convenient monitoring of pressure values. Depending on the model, it can support different pressure ranges, engineering units, display functions, alarms, and output options.

Its compact and rugged construction makes it suitable for use in pipelines, pumps, compressors, hydraulic systems, pneumatic systems, tanks, process equipment, and industrial machinery.

Key Features

• High-accuracy digital pressure measurement
• Clear and easy-to-read digital display
• High-resolution pressure indication
• Multiple pressure units available
• Zero adjustment and calibration functions
• Peak pressure indication on selected models
• Low-pressure and high-pressure alarm options
• Compact and rugged construction
• Battery-powered and external-power options
• Excellent repeatability and measurement stability
• Multiple pressure ranges available
• Stainless-steel wetted parts available
• Suitable for industrial environments
• Low maintenance requirement

Working Principle

The Digital Pressure Gauge uses an electronic pressure sensing element to measure the pressure applied to the process connection.

When pressure enters the sensing port, it acts on the internal sensor. The sensor converts the mechanical pressure into an electrical signal. Internal electronic circuitry processes this signal, compensates for measurement conditions, and converts it into a pressure value.

The measured pressure is then displayed digitally on the screen in the selected engineering unit, such as bar, psi, kPa, MPa, or kg/cm².

Depending on the model, the gauge may also provide alarm contacts, analog output, or digital communication for integration with control and monitoring systems.

Technical Specifications

Parameter	Specification
Product Type	Digital Pressure Gauge
Measuring Principle	Electronic Pressure Sensor
Pressure Type	Gauge / Absolute / Differential, Model Dependent
Pressure Range	Model Dependent
Accuracy	Model Dependent
Display	Digital LCD / LED
Display Resolution	Model Dependent
Pressure Units	bar / psi / kPa / MPa / kg/cm²
Process Connection	Threaded / Model Dependent
Wetted Material	SS304 / SS316 / Model Dependent
Power Supply	Battery / External Supply
Output	Optional 4–20 mA / Pulse / Digital
Alarm	Optional High / Low Alarm
Operating Temperature	Model Dependent
Process Temperature	Model Dependent
Protection Rating	Model Dependent
Installation	Direct / Panel / Remote
Application	Industrial Pressure Measurement

Applications

Digital Pressure Gauges are widely used in:

• Hydraulic Systems
• Pneumatic Systems
• Water Treatment Plants
• Chemical Processing
• Oil & Gas Industries
• Pharmaceutical Industries
• Food & Beverage Processing
• Power Plants
• Pumps & Compressors
• Industrial Pipelines
• Process Equipment
• HVAC Systems
• Industrial Machinery

Advantages

The Digital Pressure Gauge provides a clear numerical pressure reading, eliminating the need to interpret a traditional analog pointer. Its electronic sensing technology offers reliable measurement and can provide additional functions such as peak pressure monitoring, zero adjustment, unit selection, and programmable alarms, depending on the model.

The instrument can be configured for different pressure ranges and process connections, making it suitable for a variety of industrial applications. Stainless-steel construction options provide additional durability for demanding process environments.

For systems requiring automated monitoring, selected models can provide 4–20 mA or digital output, allowing the gauge to be connected to PLC, DCS, SCADA, and other industrial control systems.

Installation & Operation

The Digital Pressure Gauge should be installed using a suitable process connection and pressure range for the application. The selected pressure range should be appropriate for the normal operating pressure and expected pressure fluctuations.

For applications involving vibration, pulsation, or sudden pressure changes, suitable accessories such as snubbers, dampers, or isolation valves may be used to protect the sensing element and improve measurement stability.

Before installation, ensure that the process connection, pressure rating, temperature rating, and wetted materials are compatible with the process medium.

Industries Served

Oil & Gas | Chemical | Pharmaceutical | Water Treatment | Power Generation | Food & Beverage | Manufacturing | HVAC | Hydraulic & Pneumatic Systems | Process Automation

Product Note

Exact specifications such as pressure range, accuracy, display type, power supply, process connection, temperature rating, output, alarm configuration, and protection rating vary according to the selected Digital Pressure Gauge model. Refer to the relevant product datasheet for final technical specifications.