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Master Test Pressure Gauge, Pressure Gauges

Metaval’s Master Pressure Gauge (MPG Series) is a high-accuracy reference instrument used for calibration, verification, and high-precision pressure measurement. Designed to deliver ±0.25% FSD accuracy with rugged all-metal construction, the MPG is ideal for laboratories, calibration facilities, and high-precision applications in industrial environments. Each unit is traceable to national or international standards and comes with a wooden carrying case.

Accuracy Class:

±0.25% FSD (EN 837 Compliant)

Rugged SS304/SS316 Construction with Jewel Bearings

Range:

Supplied with Precision Wooden Carrying Case

Range :

Vacuum 760 mmHg up to 600 bar

Scale Units:

Bar, kg/cm², PSI

Accuracy:

±0.25% Full Scale Deflection

Media Temperature:

Up to 50°C

Protection Class:

IP65

Dial Sizes:

150 mm, 250 mm

Over Range:

120% of Maximum Rating (Short Duration)

Ambient Temperature:

-25°C to 60°C

Mounting:

Local, Surface, Flush Panel

Dial Size: 150 mm / 250 mm (Anti-Parallax Mirror Type)
Case & Bezel: SS304 / SS316 with Bayonet Lock
Window: Instrument Glass
Pointer: Balanced Knife Edge
Measuring Element: SS316Ti Bourdon Tube
Movement: Precision Brass with Jewel Bearings
Connection: ½” NPT (M), Bottom or Back Eccentric in SS316

The MPG operates using a high-precision Bourdon tube that deflects under applied pressure. The deflection is transferred via precision brass movement and jewel bearings to the pointer, ensuring consistent and repeatable readings for calibration and master reference applications.

CE Certification
Dual Scale Dial (Bar, PSI, kg/cm²)
Pressure Comparator Bench (Screw Pump Type)
Metric / Imperial Connection Threads
Special Carrying Case / Test Bench Mount

Accuracy Testing as per EN 837
Leak Test
Visual & Dimensional Inspection
Material Test Certificates – EN 10204 3.1
Calibration Certificate Traceable to National Standards

Pressure Calibration & Verification
Laboratories & Research Facilities
OEM Bench Testing
Pressure Gauge Manufacturing Units
Industrial Testing Labs

Model Code: MPG

ISO 9001:2015 | ISO 14001:2015 | ISO 45001:2018
EN 837 Compliant
CE Certification (Optional)

Documentation

Complete In-House Manufacturing Control

From forging and casting to machining, assembly, and testing — every step is managed under one roof to ensure consistent quality, faster lead times, and zero compromise.

Contact Us

Get in touch with our team for additional information on product pricing, technical data, project support and more.

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