Digital Pressure Gauge | Hydraulic Pressure Gauge | Hidroman

Digital Pressure Gauge

Digital Pressure Gauge for Hydraulic Systems, High-Pressure Applications and Industrial Testing

A digital pressure gauge provides accurate, easy-to-read pressure measurement for hydraulic systems, industrial machinery, mobile equipment, and pressure testing applications. Unlike traditional analog gauges, a digital pressure gauge displays pressure values directly on a digital LCD screen, making system pressure easier to monitor and evaluate.

Hidroman offers digital hydraulic pressure gauge solutions for applications requiring reliable pressure monitoring, high-pressure measurement, and convenient digital readout.

The DMM 80 series is available in pressure ranges from 0 to 25 bar up to 0 to 1000 bar, with selectable pressure units including bar, MPa, PSI, kPa, Pa, and kg/cm².

What Is a Digital Pressure Gauge?

A digital pressure gauge is an electronic pressure measurement device that uses a pressure sensor to measure system pressure and display the measured value on a digital screen.

Digital pressure gauges are widely used in hydraulic power units, hydraulic test equipment, presses, construction machinery, industrial equipment, and mobile hydraulic systems.

Compared with analog pressure gauges, digital models provide a direct numerical reading and can offer additional functions such as minimum and maximum pressure memory and selectable pressure units.

Digital Hydraulic Pressure Gauge

A digital hydraulic pressure gauge is designed to monitor pressure in hydraulic circuits and equipment.

Hydraulic systems depend on accurate pressure measurement for performance monitoring, troubleshooting, commissioning, and preventive maintenance. A properly selected digital pressure gauge allows operators and technicians to quickly verify system pressure and identify abnormal pressure conditions.

Typical applications include:

Hydraulic power units
Hydraulic presses
Hydraulic cylinder testing
Hydraulic test benches
Mobile hydraulic equipment
Construction machinery
Mining equipment
Industrial hydraulic systems
Hydraulic service and maintenance equipment
Pump testing systems
Pressure testing equipment
Hydraulic commissioning
Preventive maintenance
Hydraulic troubleshooting

DMM 80 Series Digital Pressure Gauge

The DMM 80 series digital pressure gauge is designed for reliable pressure measurement in hydraulic and industrial applications.

The compact 80 mm gauge body provides a clear digital display, while stainless steel construction provides a durable solution for demanding industrial environments.

The LCD display includes backlighting for improved readability, while selectable pressure units allow the gauge to be adapted to different hydraulic and industrial measurement requirements.

DMM 80 Series Specifications

Specification	Details
Gauge diameter	80 mm
Display	4.5-digit, 7-segment LCD
Display size	50 × 25 mm
Digit size	15 × 7 mm
Backlight	Yes
Accuracy	0.4% FSO BFSL
Power supply	2 × AAA batteries
Pressure units	Pa, kPa, PSI, kg/cm², bar, MPa
Sampling rate	3 measurements/second
Operating temperature	-10°C to +60°C
Connection material	Stainless steel VA 1.4301
Wetted parts	Stainless steel VA 1.4301
Zero adjustment	Yes
Min./max. memory	Yes
Electrical protection	EN 61326
Overpressure protection	<40 bar: 150%; ≥40 bar: 120%

Digital Pressure Gauge Models

Different pressure ranges are available to match the requirements of low-, medium-, and high-pressure hydraulic systems.

Model	Pressure Range	Connection	Accuracy
DMM 80-25	0–25 bar	1/4" BSP	0.4%
DMM 80-250	0–250 bar	1/4" BSP	0.4%
DMM 80-600	0–600 bar	1/4" BSP	0.4%
DMM 80-1000	0–1000 bar	1/4" NPT	0.4%

1000 Bar Digital Pressure Gauge

The DMM 80-1000 provides a pressure measurement range of 0–1000 bar and uses a 1/4" NPT connection.

It is suitable for high-pressure hydraulic applications and testing environments where reliable pressure monitoring is required.

For applications specified in U.S. customary units, 1000 bar corresponds to approximately 14,504 PSI. The gauge supports PSI display, making it suitable for applications where pressure values need to be viewed in PSI.

Key Benefits of a Digital Pressure Gauge

Accurate Pressure Measurement

With an accuracy of 0.4% FSO BFSL, the DMM 80 series provides reliable pressure measurement for hydraulic and industrial applications.

Easy-to-Read Digital Display

The numerical LCD display allows operators and maintenance technicians to read pressure values directly without interpreting an analog needle.

Multiple Pressure Units

The gauge supports several pressure units, including:

PSI
bar
MPa
kPa
Pa
kg/cm²

This makes the digital pressure gauge suitable for equipment operating under different measurement standards.

Minimum and Maximum Pressure Memory

The minimum and maximum memory function allows users to monitor pressure peaks and low-pressure conditions during testing, commissioning, and maintenance.

High-Pressure Measurement

With models available up to 1000 bar, the DMM 80 series can be used in demanding high-pressure hydraulic applications.

Stainless Steel Construction

Stainless steel VA 1.4301 is used for the connection and wetted components, providing a durable construction for industrial applications.

Digital Pressure Gauge Applications

Digital pressure gauges are used across a wide range of hydraulic and industrial equipment.

Hydraulic Equipment

Hydraulic power units
Hydraulic presses
Hydraulic cylinders
Hydraulic pumps
Hydraulic valves
Hydraulic test benches
Hydraulic service equipment

Industrial Applications

Industrial machinery
Manufacturing equipment
Pressure testing systems
Pump test systems
Production equipment
Maintenance systems
Industrial automation

Mobile Equipment

Construction equipment
Mining machinery
Agricultural machinery
Mobile hydraulic systems
Heavy equipment

Digital Pressure Gauge for Hydraulic Power Units

Hydraulic power units require reliable pressure monitoring to verify pump and system performance.

A digital pressure gauge can be installed on the hydraulic circuit to monitor operating pressure and help technicians identify abnormal pressure conditions.

It can be used during:

System commissioning
Hydraulic troubleshooting
Preventive maintenance
Pressure adjustment
Pump testing
Valve testing
System diagnostics

Digital Pressure Gauge for Hydraulic Testing

Pressure measurement is critical when testing hydraulic cylinders, pumps, valves, hoses, and other hydraulic components.

A digital pressure gauge provides a clear numerical pressure reading during testing and can help technicians monitor minimum and maximum pressure values.

For high-pressure testing applications, selecting a gauge with an appropriate pressure range and overpressure rating is essential.

Digital vs. Analog Pressure Gauge

Both digital and analog pressure gauges can be used for hydraulic pressure measurement, but digital gauges provide several advantages for modern hydraulic systems.

Feature	Digital Pressure Gauge	Analog Pressure Gauge
Numerical display	Yes	No
Pressure unit selection	Available	Usually fixed
Min./max. memory	Available	No
Reading method	Direct numerical value	Needle position
High-pressure options	Available	Available
Battery powered	Yes	No

For applications where pressure values need to be monitored quickly and accurately, a digital pressure gauge can provide a practical alternative to conventional analog gauges.

How to Choose a Digital Pressure Gauge

Selecting the correct digital pressure gauge requires more than simply matching the maximum system pressure.

1. Determine the Operating Pressure

Select a gauge with a suitable measurement range for the normal operating pressure of the hydraulic system.

2. Check the Maximum System Pressure

The maximum pressure of the hydraulic circuit must remain within the gauge's rated measurement and overpressure limits.

3. Select the Correct Connection

Check whether the application requires BSP, NPT, or another connection standard.

4. Consider Measurement Accuracy

For hydraulic testing and diagnostic applications, gauge accuracy is an important selection criterion.

5. Select the Required Pressure Unit

For U.S. applications, PSI is commonly used. The DMM 80 series also supports bar, MPa, kPa, Pa, and kg/cm².

6. Consider Operating Temperature

The gauge should be suitable for the ambient temperature where it will be installed.

Digital Pressure Gauge Accessories

Depending on the installation and application, additional accessories can be used with the DMM 80 series.

Available accessories include:

HFMM BOX 80 – Measurement box for Ø80 mm pressure gauges
DMM Protection – Rubber protective cover
HFM MMD – M16 × 2 measurement connection
HFM MMA – M16 × 2 measurement connection

The appropriate connection and accessory should be selected according to the hydraulic system pressure, connection standard, and installation requirements.

Why Choose Hidroman for Digital Pressure Measurement?

Hidroman provides hydraulic engineering solutions for industrial and mobile hydraulic applications, including hydraulic power units, hydraulic testing equipment, filtration systems, hydraulic cylinders, and pressure measurement solutions.

When selecting a digital pressure gauge, we can help evaluate:

Required pressure range
Maximum system pressure
Connection type
Measurement accuracy
Pressure units
Operating temperature
Application requirements

This helps ensure that the selected pressure gauge is suitable for the hydraulic system and intended operating conditions.

Contact Hidroman for digital pressure gauge selection, technical information, and hydraulic pressure measurement solutions.

Frequently Asked Questions

What is a digital pressure gauge?

A digital pressure gauge is an electronic pressure measurement device that measures system pressure and displays the result as a numerical value on an LCD screen.

What is a digital pressure gauge used for?

Digital pressure gauges are used to monitor pressure in hydraulic systems, hydraulic power units, presses, test equipment, mobile machinery, industrial equipment, and pressure testing applications.

What pressure ranges are available?

The DMM 80 series is available in pressure ranges from 0–25 bar to 0–1000 bar.

Is there a 1000 bar digital pressure gauge?

Yes. The DMM 80-1000 model provides a 0–1000 bar measurement range and uses a 1/4" NPT connection.

How many PSI is 1000 bar?

1000 bar is approximately 14,504 PSI.

Can a digital pressure gauge measure PSI?

Yes. The DMM 80 series supports PSI as one of its selectable pressure units.

Can a digital pressure gauge be used for hydraulic systems?

Yes. A properly selected digital hydraulic pressure gauge can be used for hydraulic power units, pumps, cylinders, presses, test benches, mobile equipment, and other hydraulic applications.

What is the difference between a digital and analog pressure gauge?

A digital pressure gauge displays pressure as a numerical value and can provide functions such as selectable pressure units and minimum/maximum memory. An analog gauge displays pressure using a mechanical needle.

How do I choose the right digital pressure gauge?

Consider the normal operating pressure, maximum system pressure, measurement range, accuracy, connection type, pressure unit, operating temperature, and application requirements.

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