High-Pressure Digital Pressure Gauge (2500 bar, ±0.05% FS): Redefining Accuracy in Extreme Conditions

In the demanding world of hydraulic and pneumatic testing, where every bar of pressure matters, measurement precision defines system performance. The high-pressure digital pressure gauge (2500 bar) delivers laboratory-grade accuracy of ±0.05% FS, ensuring engineers and technicians can trust every reading — even under extreme pressure.

In the demanding world of hydraulic and pneumatic testing, where every bar of pressure matters, measurement precision defines system performance. The high-pressure digital pressure gauge (2500 bar) delivers laboratory-grade accuracy of ±0.05% FS, ensuring engineers and technicians can trust every reading — even under extreme pressure.

1. Engineered for Measurement Integrity

At 2500 bar (≈ 36,000 psi), even the slightest deviation can cause costly errors in test or calibration results. With an accuracy of ±0.05% FS, total measurement error is just ±1.25 bar at full scale.
Such precision makes this gauge suitable not only for monitoring but also as a secondary calibration reference in pressure test benches and control systems.

The core sensor is crafted from sapphire, with stress aging during production enhancing its performance stability. Temperature compensation and an integrated digital calibration algorithm maintain accuracy across a broad temperature range, minimizing drift and ensuring reliable field readings.

2. Built to Withstand Extreme Pressure

Measuring ultra-high pressures demands exceptional mechanical integrity. This pressure sensor features a fully welded construction with no internal O-rings, eliminating leakage risks and ensuring long-term durability under cyclic loading.

Key structural attributes:

  • Pressure range: up to 2500 bar (36,000 psi)
  • Overpressure safety: up to 120% FS
  • Ingress protection: IP65 / IP67 rated enclosure
  • Sensor medium: stainless steel or Inconel for chemical resistance

Applications include hydraulic pump and valve testing, high-pressure burst and proof testing, and aerospace or automotive hydraulic component validation.

3. Digital Intelligence for Modern Engineers

Moving beyond analog dials, the high-pressure digital pressure gauge brings clarity and data connectivity to the forefront.
Its high-contrast LCD display provides up to five-digit or six-digit resolution, with configurable engineering units such as bar, MPa, psi, and kg/cm².

Digital features:

  • Real-time display of pressure, peak and min values
  • Zeroing and Two-Point Calibration Function
  • USB or RS-485 interface for data logging and software integration
  • Optional wireless output for remote monitoring or IoT systems
  • Internal data memory for test recording

This combination of precision and data capability transforms the gauge into an intelligent measurement node — ideal for smart calibration setups and digital maintenance programs.

4. Traceable Calibration and Compliance

Each instrument is factory-calibrated against traceable reference standards. A detailed calibration certificate accompanies every unit, providing measurement points across the pressure range, uncertainty statements, and environmental data.

For users following ISO/IEC 17025, ISO 9001, or other quality-system frameworks, such traceability ensures full confidence in test documentation and compliance audits.

5. Fast Response and Long-Term Stability

In hydraulic test systems, pressure fluctuates rapidly. The high sampling rate of digital gauges (typically 100 Hz or higher) enables real-time tracking of transient and peak pressures. For a smoother pressure display, a 10 Hz frequency can be selected.
Thanks to its low hysteresis and excellent repeatability, engineers can rely on stable measurements during long-duration endurance or fatigue tests.

Stress aging minimizes drift during extended operation, while the internal damping option ensures stable display readings in pulsating systems.

6. Operator Safety and Ergonomic Design

Safety under extreme pressure is paramount. The housing incorporates a pressure-relief design and shock-resistant casing to protect both user and device.
A compact form factor and ergonomic button layout make operation intuitive in laboratory or field environments.

Additional advantages:

  • Backlit display for low-light conditions
  • Rubber protective boot (optional) for impact protection
  • Lightweight construction for portable use

7. Typical Application Areas

Industry / Use Case

Application

Hydraulic Systems

Pump, cylinder, and valve testing

Calibration Laboratories

Reference gauge for pressure calibrators

Oil & Gas / Energy

Wellhead and pipeline pressure verification

Automotive / Aerospace

Component burst and fatigue testing

Manufacturing QC

End-of-line inspection and leak testing

Research & Development

Precision data collection and system monitoring

This versatility ensures the gauge supports both industrial operations and scientific research requiring high-pressure integrity and data traceability.

8. Conclusion: Precision that Performs

The 2500 bar digital pressure gauge with ±0.05% FS accuracy is not just a rugged measurement tool — it is a precision assurance platform. By combining digital intelligence, metrological-grade accuracy, and extreme-pressure durability, it delivers the reliability demanded by engineers in calibration, hydraulic control, and testing environments.

Whether integrated into a laboratory calibration bench or mounted in a high-pressure hydraulic test system, this instrument ensures every reading counts — accurately, repeatably, and safely.

Author’s Note:
This article is part of our High-Accuracy Measurement Series, exploring innovations in digital instrumentation and calibration technology for industrial and laboratory applications.

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