Pressure Calibration Solutions

Transcription

1 Pressure Calibration Solutions DH Instruments, Ruska, Pressurements DHI Piston Gauges Ruska Piston Gauges DHI Controllers and Monitors PG7600 PG7102 PG7202 PG7300 FPG Tier 1: NMI Ruska Controllers and Monitors DHI Electronic Deadweight Testers E-DWT PPC4 PPCH-G PPCH RPM4 Tier 2: Primary Labs precision low volume metrology Tier 3: Secondary Labs high volume/lower measurement performance P3010 P3020 P3030 P3100 P3200 M3800 Pressurements Deadweight Testers Fluke Process Calibration Tools (Industrial Group, not FCAL) DHI Controllers and Automated Piston Gauges Tier 4: Industrial plant meter shops, process or field calibration Tier 5: Application of Tiers 1-4 products for Production (embedded calibration or characterizing sensors or products as part of manufacturing process), ATE & testing facilities (not Calibration Labs/Shops) Ruska Controllers and Calibration Systems PPC4, PPCH, PPCH-G PG7000+AMH 7250, 7252, , 7250sys

2 Piston Gauges DHI PG7000 Ruska 2400 The DHI PG7000 piston gauge product line features the highest performance available in laboratory piston gauges. PG7000 models include integrated sensors and real time display of calculated pressure. All PG7000 models feature encapsulated piston-cylinder modules for protection and ease of changing ranges. AMH automated mass handlers are available for all PG7000 models, so high end pressure calibration can be automated, running hands-free unattended tests. DHI PG7601 Absolute Piston Gauge -Pressures from 1 to 1000 psi (7 kpa to 7 MPa), absolute and gauge -Maximum 35 kg mass set, 38 kg with AMH-38-5 piston cylinder modules available, 12 to 20 ppm: lowest: 1 to 55 psi (7 to 380 kpa) highest: 15 to 1100 psi (0.1 to 7.6 MPa) DHI 7102 Gas Piston Gauge -Pressures from 1.7 to 1600 psi (12 kpa to 11 MPa) -Maximum 55 kg mass set (with 5 kg manual platters) - 5 piston-cylinder modules available, 12 to 20 ppm: lowest: 1.7 to 55 psi (12 to 550 kpa) highest: 30 to 1600 psi (0.2 to 11 MPa) DHI 7202 High Pressure Gas Piston Gauge -Pressures from 15 to 16k psi (100 kpa to 110 MPa) -Maximum 100 kg mass set (manual or AMH-100) -5 piston-cylinder modules available, 18 to 30+ ppm: lowest: 15 to 1500 psi (0.1 to 10 MPa) highest: 300 to 16k psi (2 to 110 MPa) -PG7202 p-c s can use or oil as test medium -PG7202 platform can accommodate most PG7302 p-c modules for hydraulic calibration to 30k psi (200 MPa) DHI 7302 Hydraulic Piston Gauge -Pressures from 15 to 72.5k psi (100 kpa to 500 MPa) -Maximum 100 kg mass set (manual or AMH-100) - 6 piston-cylinder modules available, 18 to 35+ ppm lowest: 15 to 1500 psi (0.1 to 10 MPa) highest: 300 to 72.5k psi (5 to 500 MPa) The Ruska 2400 piston gauge product line features high performance tools for a good value. The models are generally small, lightweight, and compact, making them well suited for onsite calibration, or in applications with limited space (equipment can be easily set aside or in storage until needed). A cost effective solution can be configured with basic hardware, or the performance can be expanded with Autofloat, sensor pack and WinPrompt software. Ruska 2465 Absolute Pressure Piston Gauge -Pressures from 0.2 to 1000 psi (1.4 kpa to 7 MPa), absolute and gauge -Autofloat and sensor pack options available to automatically float the piston, monitor conditions and calculate pressure with WinPrompt software -Maximum 6 kg mass set, with 1 kg platters -4 piston-cylinder ranges available, 10 to 26 ppm: lowest: 0.2 to 25 psi (1.4 to 170 kpa) highest: 2 to 1000 psi (14 kpa to 7 MPa) specialized model for air data calibration range Ruska 2470 High Pressure Gas Piston Gauge -Pressures from 0.2 to 3000 psi (1.4 kpa to 20 MPa) -Maximum 17.7 kg mass set, with 2.4 kg platters -3 piston-cylinder ranges available, 10 to 30 ppm: lowest: 0.2 to 50 psi (1.4 to 350 kpa) highest: 100 to 3000 psi (0.7 kpa to 20 MPa) -Uses lubrication - no potential oil contamination Ruska 2485 Hydraulic Piston Gauge -Pressures from 10 to 72.5k psi (70 kpa to 500 MPa) -Maximum 100 kg mass set, with 5 kg platters -4 piston-cylinder ranges available, 25 to 100 ppm: lowest: 10 to 1000 psi (70 kpa to 7 MPa) highest: 1k to 72.5k psi (7 to 500 MPa) -model 2485LP compact design with integrated pressure generation and control to 20k psi (140 MPa) -model 2585HP integrated pressure and control with intensifier to 72.5k psi (500 MPa)

3 Piston Gauges Complementary Product Line Unique Model Features pressure range (psi) k psi PG k psi PG k psi PG7102 1k psi PG7601 1k psi 3k psi k psi 2485 DHI PG7601 Absolute Pressure Piston Gauges Ruska High end laboratory use -Automated calibration -User with little training integrated sensors and pressure calculation completely automated with AMH and PPC easy to use and change ranges with P-C modules large pistons for best measurement and performance integrated sensors and pressure calculation completely automated with AMH and PPC easy to use and change ranges with P-C modules PG7202 up to 15k psi (100 MPa) PG7202 can be used in and oil -High end laboratory use -Automated calibration -User with little training integrated sensors and pressure calculation completely automated with AMH and PPC easy to use and change ranges with P-C modules -Onsite calibration, limited space -Need to cover low pressures -Ergonomic concerns (1 kg platters) small, lightweight, transportable economical price, good value uses smaller mass load and platters low minimum pressure of 0.2 psi (1.5 kpa) High Pressure Gas Piston Gauges DHI PG7102 / PG7202 Ruska High end laboratory use -Automated calibration -User with little training -Onsite calibration, limited space -Zero tolerance for contamination -Ergonomic concerns (2.4 kg platters) small, lightweight, transportable economical price, good value uses smaller mass load and plates wide range, 0.2 psi to 3k psi (1.5 kpa to 20MPa) DHI PG7302 Hydraulic Piston Gauges Ruska Onsite calibration -Limited laboratory space -Ergonomic concerns (5 kg platters) integrated pressure generation and control uses 5 kg platters to achieve max mass load compact design

4 Pressure Controller/Calibrators DHI PPC Ruska 7000 The DHI PPC pressure controller product line covers from very low draft pressures to 30k psi. PPC models are characterized by the best ultimate control precision across a very wide range. Open architecture with configuration using internal Q-RPTs and/or external RPM4 results in a very flexible calibration tool. DHI PPC4 Gas Pressure Controller -Gas pressure ranges with full scales of 2 through 2000 psi (15 kpa to 14 MPa) gauge and 15 to 2000 psi (100 kpa to 14 MPa) absolute -Available with 1 or 2 quartz reference pressure transducers (Q-RPTs), with optional accuracy classes: (f) full scale std class: ±0.015% autorange span, autorange span can be from 30%-100% of Q-RPT FS (s) standard class : ±(0.01% rdg or 0.003% Q-RPT FS) (p) premium class: ±(0.008% rdg or % autorange span), autorange 30%-100% Q-RPT FS -Q-RPTs ranges from ±2 to 2k psi (±15 kpa to 14 MPa), many offer abs, gauge and neg gauge measurement -Available with low cost utility sensor, to be used to float PG, or with external RPM4 for pressure reference -Control precision ±(0.0004% of active Q-RPT span or % of Hi Q-RPT span) DHI SPLT Self-Purging Liquid Trap -for PPC4 - filters and purges contamination from DUT DHI PPCH-G High Pressure Gas Pressure Controller -Gas pressure ranges from 1k to 15k psi (7 to 100 MPa) -Available with 1 or 2 quartz reference pressure transducers (Q-RPTs), with optional accuracy classes: (s) standard class : ±(0.01% rdg or 0.003% Q-RPT FS) (p) premium class, <A20M Q-RPT (<3k psi): ±(0.008% rdg or % autorange span), autorange from 30%-100% Q-RPT FS -Control precision ±(0.001% of active Q-RPT span) DHI PPCH Hydraulic Pressure Controller -Pressure ranges from 3k to 30k psi (20 to 200 MPa) -Available with 1 or 2 quartz reference pressure transducers (Q-RPTs), with standard accuracy class: Q-RPTs to 20k psi (140 MPa): 0.013% rdg from 30% to 100% of Q-RPT FS 30k psi (200 MPa) Q-RPT: 0.018% rdg 30% to 100% -Control precision ±(0.003% of active Q-RPT span) Ruska 7000 pressure controllers are characterized by very fast control and excellent pressure measurement. Models are available from very low pressures to 40k psi. Gas controllers less than 3k psi feature the true differential quartz bourdon tube sensor, with unequalled intrinsic precision and performance. Ruska 7250, 7250LP and 7252 Gas Pressure Controllers -Pressure ranges from 5 to 3k psi (35 kpa to 20 MPa) -Gauge, differential, absolute & negative gauge options -Available in 3 measurement performance classes with performance specs to 2500 psi (18 MPa): 7250: 0.003% FS precision, % rdg/yr stability 7250i: 0.005% rdg precision, % rdg/yr stability, from 25% to 100% of span 7250xi: 0.005% rdg precision, % rdg/yr stability, from 5% to 100% of span k psi (20 MPa) model with 0.014% span total 1 yr uncertainty, option for triple-range calibration -7250LP low pressure version with ranges of 30, 60 & 100 inwa (7.5, 15 & 25 kpa): 0.005% rdg precision, % rdg/yr stability, from 10% to 100% of span -Fast time to set point, <15 seconds with no overshoot -Control precision ±0.001% of full scale Ruska 7252 Dual Channel Pressure Controller -Independent dual pressure control outputs, each from 0.3 to 2500 psi (2.5 kpa to 18 MPa) -Two performance models available, 7252 and 7252i Ruska 7350 High Pressure Gas Pressure Controller -Full scale ranges of 6k or 10k psi (40 or 70 MPa) with triple-range option for both models % of calibrated range total 1 yr uncertainty - Fast time to set point using dual stage control -Control precision ±0.007% FS Ruska 7615 Hydraulic Pressure Controller -Pressure ranges from 6k to 40k psi (40 to 280 MPa) -Can be configured with 1 or 2 pressure transducers, each available with triple-range option: ranges to 20k psi (140 MPa): 0.01% FS precision, 0.01% span/yr stability, 0.01% FS control ranges over 20k psi (>140 MPa): 0.02% FS precision, 0.02% span/yr stability, 0.02% control -High speed control, with mode for special cycle testing

5 Pressure Controller/Calibrators Complementary Product Line Unique Model Features pressure range (psi) k psi PPCH 15k psi PPCH-G 2k psi 3k psi 10k psi 40k psi PPC DHI PPC4 Low Pressure Gas Controller/Calibrators Ruska 7250 Ruska Onsite calibration, limited space -General calibration (flexible, wide range, SPLT, robust ) -Best control precision needed precise control over wide range short warm up & small package (transportable) not sensitive to vibration and media can use external RPM4 (modular) large turndown with multiple Q-RPTs control up to 15k psi (100 MPa) can use external RPM4 (modular) precise measurement and control over a wide range can use external RPM4 (modular) covers wide range with dual internal Q-RPTs precise control over a wide range -Manufacturing (speed) -High end laboratory measurement -Calibration to 3k psi is needed -Best low pressure accuracy needed (LP) fast control, with pulse width modulation technology economical price configurations available models up to 3k psi (20 MPa) quartz bourdon tube, precision & low hysteresis 7252 has 2 independent control outputs DHI PPCH-G High Pressure Gas Controller/Calibrators Ruska General calibration -Manufacturing (speed) -Max pressure 15k psi needed -Large test volume or leaks -Best control precision needed fast, dual stage control economical price, good value graphical user interface DHI PPCH Hydraulic Controller/Calibrators Ruska General calibration -Best control precision needed -Manufacturing (speed) -Water or unusual needed -Max pressure 40k psi needed fast control and forgiving to air in system or large volume pressure ranges to 40k psi (280 MPa) operates with many different media

6 Manual Pressure Calibration DHI E-DWT DHI RPM4 DHI RPM4 reference pressure monitors cover a wide range of and hydraulic pressures. RPM4 flexibility paired with DHI manual pressure controllers offers a manual calibration solution for most applications. DHI E-DWT electronic deadweight testers combine RPM4 measurement technology with an integrated reservoir, priming pump and variable volume. The result is performance of a high end deadweight tester, in a tool with improved portability and the features and usability of an advanced laboratory instrument. DHI RPM4 Reference Pressure Monitor -Gas ranges from 2 to 15k psi (15 kpa to 100 MPa) -Hydraulic ranges from 1k to 40k psi (7 to 280 MPa) -Available with 1 or 2 quartz reference pressure transducers (Q-RPTs), with optional accuracy classes: (p) premium class, <A20M Q-RPT (<3k psi) : ±(0.008% rdg or % autorange span), autorange 30%-100% Q-RPT FS (s) standard class, <A20M Q-RPT (less than 3k psi): ±(0.01% rdg or 0.003% Q-RPT FS) (s) standard class, A20M to A140M (3k to 20k psi): ±(0.013% rdg or % Q-RPT FS) (s) standard class, A200M & A280M (30k & 40k psi): ±(0.018% rdg or % Q-RPT FS) -Many Q-RPTs offer absolute, gauge and negative gauge measurement -Can be used as an external pressure measurement reference for PPC controllers -Gas Q-RPTs lower than 2k psi (14 MPa) feature SDS electronic valve isolation to prevent overpressure DHI Manual Pressure Control Products -MPC1: pressure control to 3k psi (20 MPa) -GPC1: pressure control to 15k psi (100 MPa) -MPG2: hydraulic gen and control to 30k psi (200 Mpa) -OPG1: assisted hydraulic control to 30k psi (200 MPa) DHI E-DWT Electronic Deadweight Tester -Pressure ranges from 1k to 30k psi (7 to 200 MPa) -Available with 1 or 2 Q-RPTs -Each Q-RPT with accuracy of ±0.02% rdg from 10% to 100% of Q-RPT span (0.025% rdg 2-yr specification) -Battery operation optional Ruska 7050 Pressurements P3000 M3800 The Ruska 7050 pressure monitor offers the same outstanding measurement performance as the 7250 controller, with quartz bourdon tube technology. The Pressurements family of deadweight testers includes a complete line up of cost effective calibration tools from vacuum to 60k psi. All models feature series 3 non-magnetic stainless steel weights, available in multiple units of measure, and can be trimmed to local gravity. Other standard features include mounted spirit level, piston floatation indicator and adjustable feet. Ruska 7050 Reference Pressure Monitor -Gas ranges from 1 to 2500 psi (7 kpa to 18 MPa) % FS precision, % rdg/yr stability -7050i 0.005% rdg precision, % rdg/yr stability -model 7050LP specially configured instrument for low pressure applications Pressurements P3010 & 3020 Gas Deadweight Testers -3010: 1 piston, ranges vacuum to 1000 psi (7 MPa) -3020: 2 pistons, 1 piston is vacuum and the other is positive ranges from 15 to 500 psi (0.1 to 3.5 MPa) % of reading accuracy (0.008% optional) -Optional hand pump, capable to generate 300 psi Pressurements P3030 Gas Deadweight Testers -3030: 1 piston, ranges of 1k and 2k psi (7 and 14 MPa) % of reading accuracy (0.008% optional) -Screw press for fine pressure control - Oil-lubricated, prevents contamination, longer float Pressurements P3100 Hydraulic Deadweight Testers -3110: 1 piston, ranges to 20k psi (140 MPa) -3120: 2 pistons, ranges to 16k psi (110 MPa) % of reading accuracy (0.008% optional) -Built-in hand pump and screw press are standard Pressurements P3200 Water Deadweight Testers -3210: 1 piston, ranges to 10k psi (70 MPa) -3220: 2 pistons, ranges to 10k psi (70 MPa) % of reading accuracy (0.008% optional) -Built-in hand pump and screw press are standard Pressurements M3800 Hydraulic Deadweight Testers -1 piston, ranges to 60k psi (400 MPa) -0.02% of reading accuracy (0.015% optional) -Built-in pressure generation and intensifier

7 Manual Pressure Calibration Complementary Product Line Unique Model Features k psi 40k psi 15k psi 1.5k psi 1k psi 2k psi 20k psi 60k psi M3800 pressure range (psi) E-DWT-H RPM4(-L) RPM P3010/ P3020 P3030 P3100/ P3200 RPM4 Pressure Monitors Ruska Onsite calibration, limited space -General calibration short warm up & small package (transportable) flexible, 1 or 2 standard or premium Q-RPTs available in wide range, and DHI RPM4 + MPC1 DHI RPM4 + GPC1 -General lab calibration -Users with little training -Electronic interface needed no weights (ergonomic) digital display, remote communications (less error) infinite set point resolution 1 or 2 standard or premium Q-RPTs (flexible) SDS to protect Q-RPTs to 1500 psi (10 MPa) DHI E-DWT -User with little training -Electronic interface needed -Data storage needed in field no weights, single piece digital display, remote communications infinite set point resolution store calibration data Gas Pressure Calibrators Hydraulic Pressure Calibrators -High end lab measurement -Best low pressure accuracy needed graphical user interface uses true differential sensor quartz bourdon tube, precision & low hysteresis Pressurements P3000 -Onsite calibration -No or vacuum source is available -Stable pressure generation needed Small and compact, lightweight (transportable) dual piston offers wide range, with 0.015% or 0.008% rdg economical price (value) floating piston holds stable pressure (performance) integrated pressure generation and control -Best uncertainty is needed -Stable pressure generation needed -Max pressure 60k psi needed Pressurements P3100 Pressurements M3800 dual piston, wide turndown floating piston holds stable pressure economical price, good value integrated priming and hand pump M3800 for pressures to psi (400 Mpa)

8 Air Data Calibration DHI ADCS-601 DHI PGX The DHI ADCS-601 air data calibration system integrates PG7601 and FPG8601 for completely automated primary calibration in the air data range. DHI PGX extended-range piston gauge (Q4 2010) is an improved air data primary calibration solution (ADCS-601 will discontinue). It features all the performance of a mercury manometer (Schwien), at much better price, and without the worries or risk of mercury. PGX Pressure from 0.3 to 148 inwa (1 to 500 kpa) absolute and gauge - (0.0015% reading inhg) -Can calibrate airspeed at varying altitude (Qc) -Extensive automation features for hands-free, unattended high end air data calibrator calibration DHI RPM4-AD Ruska 2468 The Ruska 2468 piston gauge is a specialized version of the 2465 specifically designed for calibrating today's high performance flight line and Air Data Test Systems Pitot Static Primary Standard is the world's choice for calibrating Air Data Test Systems. -Pressure range: 0.4 to 103 inhg (13.5 to 3500 mbar) -Optional range: 3.4 to 400 inhg -Standard Piston/Cylinder Altitude: -2k to 95k feet -Airspeed: 100 to 1000 knots -Accuracy to ±0.5 feet, knots -Entire air data ranged is covered by a single pistoncylinder with an extended mass set -Ideal for calibrating RVSM compliant test sets -Absolute & gauge calibration for Ps, Pt & Qc ranges -Calibrate in a variety of units Ruska 7750 The DHI RPM4-AD is a specialized reference pressure monitor for calibration of air data devices. It offers the excellent measurement specifications and advanced features expected of the highest end air data calibration transfer standards, but is compact and rugged for portability and flexibility. -Covers the absolute and differential pressure ranges of typical air data instruments -Fixed wing and rotary wing range versions -True Pt, Ps, Qc operation -Measures and displays in conventional pressure units of measure or altitude (ft, m) and airspeed units (kts, mph, km/h, mach) -Measures rate over user specified time samples - RVSM compliant, 0.008% uncertainty -SDS self defense system to protect and isolate the RPM4 from an overpressure condition -Battery pack option The Ruska 7750 AeroCal Air Data Test Set provides automated control of pressures to test and calibrate a wide variety of pitot static avionics components including air data computers, altimeters, airspeed, rate of climb, cabin pressure, and others test sets. The Model 7750i incorporates Ruska's quartz sensor technology to provide a precision of 0.005% of reading making the 7750i an ideal choice for RVSM calibrations. -High accuracy, RVSM compliant -Ideal for ATE systems -Accuracy to ± 2 feet, 0.03 knots -True differential sensor for airspeed -Control stability to inhg % rdg precision, % rdg/yr stability, from 25% to 100% of span -Variety of ranges available for rotary and fixed wing aircraft

9 Specialty Pressure Calibration Solutions FPG8601 DHI FPG8601 force-balance piston gauge is a specialized primary standard for fully automated testing and calibration of very low pressure absolute and differential pressure devices -0 to 15 kpa (113 Torr) gauge, differential & absolute -Resolution to 1 mpa ( mtorr, inwa) -±(8 mpa + 30 ppm of reading) in absolute mode -±(5 mpa + 30 ppm of rdg) in gauge & differential -thermal transpiration correction when needed -fully automated, comprehensive software included DHI PG7607 DHI PG7307 DHI PG9607 DHI offers several piston gauge models particularly well suited for use by National Metrology Institutes. DHI PG mm Absolute Piston Gauge DHI PG7307 Controller Clearance Hydraulic PG -Controlled clearance for pressure deformation study DHI PG mm Absolute PG (Q3 2010) -Improved geometry for dimensional traceability -100 kg mass set for better overlap/comparison DHI COMPASS for Pressure DHI COMPASS for Pressure calibration software provides the missing link needed to get from automated hardware components to fully automated calibrations. -Supports all brands & types of pressure standards, as well as support equipment (DMMs, ovens, etc.) -Exports to Fluke MET/TRACK calibration database -Available for single license applications, or multiple license, multiple site installations NOTE: Ruska WinPrompt is another solution specifically targeted at operation of piston gauges Ruska 2482 Ruska 2482 differential piston gauge is a specialized primary standard for the testing and calibration of differential pressure devices at high line pressure. -Accuracy 40 ppm of reading psi -Static pressure range to 2900 psi (200 bar) -Differential pressures to 850 inh2o (2100 mbar) -Hydraulic and pneumatic operation -Software provided for operation & data management -Extremely fast and easy to operate Ruska 2413 Ruska 2417 A differential cell with null indicator allows calibration using different media in the test & reference. It can also be a time-saving tool for cross float calibrations. -Diaphragm isolation provides physical separation between different media -Compatible with most non-corrosive es & s -Maximum error contribution of 5 PPM -model 2413 pressures up to 15k psi (100 MPa) -model 2417 pressures up to 40k psi (280 MPa) Ruska 7250sys Ruska 7250sys Multi-range Pressure Calibration System is a complete, turn-key solution for wide pressure range applications. It features automatic range switching and high speed control. -3 configurations available: Eight ranges to 1000 psi Eight ranges to 2500 psi Twelve ranges to 2500 psi -Single test port to connect DUT -Internal vacuum for absolute and negative gauge -Optional internal booster

10 Pressure Calibration Accessories DHI MPC1 DHI GPC1 Manual pressure controllers adjust pressure for transfer standards & piston gauges. MPC1 offers integrated metering valves & vernier. GPC1 features ergonomic valves & pneumatically-driven fine control. DHI MPC1 -MPC1-1000: adjust from vacuum to 1k psi (7 MPa) -MPC1-3000: adjust from vacuum to 3k psi (20 MPa) DHI GPC1 -GPC : assisted control to 10k psi (70 MPa) -GPC : assisted control to 16k psi (110 MPa) DHI MPG2 DHI OPG1 Manual hydraulic controllers deliver pressure to transfer standards & piston gauges. MPG2 offers integrated priming and variable volume. OPG1 has ergonomic, pneumatically-driven generation & control DHI MPG2-H-HV - Manually generate and adjust to 15k psi (100 MPa) DHI MPG2-H - Manually generate and adjust to 30k psi (200 MPa) DHI OPG Assisted generation & control to 30k psi (200 MPa) Pressurements 5521 / 5522 Pressurements 5521, 5522 & 5523 fluid separators provide a barrier between the deadweight tester operating fluid and that of the device under test, protecting the calibrator from contamination. Pressurements separates / to 10k psi (70 MPa) Pressurements for Skydrol or other aggressive fluid, 7k psi (48 MPa) Pressurements separates / to 3k psi (2 MPa) Pressurements 5510 / 5513 The Pressurements 5510 and 5513 are cost-effective pressure manual control devices. Both feature high quality needle valves for fine control and dual pressure ports for comparison of two pressure instruments. Pressurements built-in pressure/vacuum pump, bench mount design -generates 300 psi (2 Mpa) & 24 inhg (80 kpa) vac Pressurements portable design with screw press for fine adjustment -manual control to 3k psi (20 MPa) Pressurements 5514 / 5515 The Pressurements 5514 and 5515 are cost-effective hydraulic manual pressure control devices. Both feature dual pressure ports for comparison of two pressure instruments. Pressurements generates to 10k psi (70 MPa) in wide range of fluids -Bench mounted, with screw press for fine adjust Pressurements generates to 20k psi (140 MPa), wide range of fluids -Portable design, with built in hand pump for priming Ruska 3990 Ruska 3900 pressure control pack integrates fine metering valves and a precision pressure adjuster to quickly set and precisely adjust pressure/vacuum. A crossover valve allows operation in negative gauge when connected to a gauge mode deadweight tester. Ruska Manually adjust pressure from vacuum to 1000 psi (7 MPa) Ruska Manually adjust pressure from vacuum to 3000 psi (20 MPa)