Fluke – RPM4 Reference Pressure Monitor

מאפיינים מרכזיים

RPM4 Reference Pressure Monitor is different from traditional pressure monitors. State-of-the-art performance from very low pressure to 280 MPa (40,000 psi)… advanced on-board features… compact and rugged… full local and remote communications… RPM4 is the perfect solution in a wide variety of high end pressure calibration, testing and measurement applications.

Premium performance in a compact and rugged reference pressure monitor

  • Independent quartz reference pressure transducer modules (Q-RPTs) with individual self-defense systems (SDS™) (See Q-RPT module advantages under "Features.")
  • Infinite Ranging and AutoRange™
  • Differential measurement mode (channel 1- channel 2)
  • 15 kPa (2.2 psi) compound gauge Q-RPT with turndown to < 3 kPa (0.4 psi)
  • Integrates with PPC4 as external reference measurement device

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 Ranges 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 Stability1 ± 0.005 % of reading all ranges and classes
Precision2 Q-RPTs up to A14M (2,000 psi)
Standard Class: ± 0.008 % of reading, or 0.0024% of Q-RPT span, whichever is greater4
Premium Class: ± 0.005 % of reading, 0.0015% of AutoRanged span or 0.0005% of Q-RPT span, whichever is greater5
Measurement Uncertainty3 Q-RPTs up to A12M (2,000 psi)
Standard Class: ± 0.010 % of reading or 0.0030% of Q-RPT span, whichever is greater4
Premium Class: ± 0.008 % of reading, 0.0024% of AutoRanged span, or 0.0007% of Q-RPT span, whichever is greater
Precision2 Q-RPTs A20M TO A140M (3,000 to 20,000 psi)
± 0.012 % of reading or 0.0036% of Q-RPT span, whichever is greater4
Measurement Uncertainty3 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
Precision2 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 Uncertainty3 QRPT's A200M to A280M (30,000 to 40,000 psi)
± 0.018 % of reading or 0.0054% of Q-RPT span, whichever is greater4
  1. Predicted one year stability limit (k=2) assuming regular use of AutoZero function. Absolute mode predicted one year stability without use of AutoZ is ± (0.005 % Q-RPT span + 0.005 % of reading). QRPT’s A200MN to A280M (30,000 to 40,000 psi).
  2. Combined linearity, hysteresis and repeatability. Add ± 1 Pa (0.00015 psi) in gauge mode with an Axxx Q-RPT for the resolution and short term stability of the on-board barometer.
  3. Maximum deviation of the Q-RPT indication from the true value of applied pressure including precision, predicted one year stability, temperature effect and calibration uncertainty, combined and expanded (k=2) following the ISO “Guide to the Expression of Uncertainty in Measurement.
  4. % of reading value times measured pressure from 100 to 30 % of Q-RPT span. Under 30 % of Q-RPT span, % of reading value times 30 % of Q-RPT span. For example, if the QRPT is a Standard A160K, the Measurement Uncertainty in pressure is 0.010% times the measured pressure to 48 kPa (160 kPa span x 30%) and 0.0048 kPa (160 kPa span x 30% x 0.01%) under 48 kPa.
  5. % of reading value times measured pressure from 100 to 30 % of AutoRanged span. Under 30% of AutoRanged span, % of reading value times 30% of AutoRanged span. If AutoRanged span is less then 30% of maximum Q-RPT span, % of reading values times measured pressure, or % of reading times 9% of Q-RPT span, whichever is greater. For example, if the Q-RPT is a Premium A160K and AutoRanged span is 160 kPa, the Measurement Uncertainty in pressure is measured pressure x 0.008% to 48 kPa (160 kPa AutoRanged span x 30%) and 0.0038 kPa (160 kPa span x 30% x 0.008%) under 48 kPa. If the AutoRanged span is 100 kPa (greater than 30% of 160 kPa maximum Q-RPT span), the Measurement Uncertainty in pressure is measured pressure x 0.008% to 30 kPa (100 kPa AutoRanged span x 30%) and 0.0025 kPa (100 kPa span x 30% x 0.008%) under 30 kPa. If the AutoRanged span is 30 kPa (less than 30% of the 160 kPa maximum Q-RPT span), the Measurement Uncertainty in pressure is measured pressure x 0.008% to 14.4 kPa (160 kPa maximum Q-RPT span x 9%) and 0.0012 kPa (160 kPa maximum Q-RPT span x 9% x 0.008%) under 14.4 kPa. For GXXX ranges, the total uncertainty is expanded to 0.015% reading or 0.0045% of Q-RPT span, whichever is greater when used outside of the altitude range of -90 to Ordering information 900 meters (-300 to 3000 feet).
  6. Premium class not available on G100K and G200K ranges.
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