Fluke RPM4 Reference Pressure Monitor

The Fluke RPM4 is a reference pressure monitor instrument demonstrating Fluke Calibration’s commitment to accuracy and dependability in pressure measurement. Despite its compact and durable build, it excels in high-pressure conditions, making it an indispensable tool for advanced pressure calibration tasks. This article will delve into the primary features and applications that set the RPM4 apart in pressure calibration.

Compact Design for Robust Performance

The Fluke RPM4’s compact design is a testament to its versatility and adaptability in various environments. Built to withstand extreme pressure conditions, it offers a robust performance that caters to both laboratory and field settings. This design ensures that the RPM4 remains reliable for professionals seeking precise pressure measurements.

Versatility in Atmospheric Pressure Measurement

The Fluke RPM4 BA100K, a specific configuration of the RPM4, serves as a laboratory-quality barometer. Tailored to measure atmospheric pressure with exceptional performance, the RPM4 BA100K ensures the highest level of accuracy in atmospheric pressure readings.

Specialized Configurations for Air Data Instruments

The Fluke RPM4-AD configuration is designed to measure and display altitude, airspeed units, and more. Its versatility covers air data instruments’ absolute and differential pressure ranges. Whether for fixed-wing or rotary-wing applications, the RPM4-AD stands out as a specialized solution for air data calibration.

Recommended Calibration Standards

To ensure the highest level of accuracy, the RPM4 utilizes recommended calibration standards. For instance, the RPM4 A70M/A20M-AF Q-RPTs are calibrated using a DH Instruments PG7202 piston gauge. This commitment to precision in calibration standards underscores the reliability of the RPM4 in providing accurate pressure measurements.

User-Friendly Interface for Optimal Performance

The Fluke RPM4 is designed with a user-friendly interface, enhancing the overall user experience. This feature streamlines operations, making it easy for technicians to navigate and utilize the instrument effectively. The combination of precision and user-friendly design positions the RPM4 as a leading choice in the field of reference pressure monitors.

Fluke RPM4 Reference Pressure Monitor Specifications:

General

• Power Requirements: 85 to 264 VAC, 50/60 Hz, 25 VA max and 12 VDC @ 9 Ahr
• Battery/Charger: 100 to 240 VAC, 50/60 Hz
• Normal Operating Temperature Range: 15 to 35 °C
• Vibration: Meets MIL-T-28800D
• Weight (Typical): 5 kg (11 lb)
• Dimensions: 10 cm H x 22.7 cm W x 24 cm D (3.9 in. x 8.9 in. x 9.5 in.)
• Battery/Charger: 8 cm H x 22.5 cm W x 20 cm D (3.1 in. x 8.9 in. x 7.9 in.)
• Communications Ports: RS232 (COM1, COM2), IEEE-488.2
• Operating Modes: Absolute, gauge, compound gauge, differential
• Pressure Range: Vacuum to 280 MPa (40,000 psi)
• Operating Media: Q-RPTs lower than A7M Gas only, All others Either gas or oil
• Calibration: NVLAP-accredited
• Pressure Connections:
  • Up to A70M: 1/8 in. NPT F
  • Above A70M: DH500 (equivalent to AE250C)
• CE Mark: Available, must be specified

Measured pressure (Q-RPT)

• Warm-Up Time: 30-minute temperature stabilization recommended from cold power-up
• Resolution: To 1 ppm, user-adjustable
• Predicted One Year Stability: ± 0.005 % of reading all ranges and classes
• Precision: Q-RPTs up to A14M (2,000 psi)
  • Standard Class: ± 0.008 % of reading, or 0.0024% of Q-RPT span, whichever is greater
  • Premium Class: ± 0.005 % of reading, 0.0015% of AutoRanged span or 0.0005% of Q-RPT span, whichever is greater
• Measurement Uncertainty: Q-RPTs up to A12M (2,000 psi)
  • Standard Class: ± 0.010 % of reading or 0.0030% of Q-RPT span, whichever is greater
  • Premium Class: ± 0.008 % of reading, 0.0024% of AutoRanged span, or 0.0007% of Q-RPT span, whichever is greater
• Precision: Q-RPTs A20M TO A140M (3,000 to 20,000 psi) ± 0.012 % of reading or 0.0036% of Q-RPT span, whichever is greater
• Measurement Uncertainty: Q-RPTs A20M TO A140M (3,000 to 20,000 psi) ± 0.013 % of reading or 0.0039% of Q-RPT span, whichever is greater
• Precision: QRPT’s A200M to A280M (30,000 to 40,000 psi) ± 0.015 % of reading or 0.0045% of Q-RPT span, whichever is greater
• Measurement Uncertainty: QRPT’s A200M to A280M (30,000 to 40,000 psi) ± 0.018 % of reading or 0.0054% of Q-RPT span, whichever is greater.