• Affordably Accurate! Featuring a 3 year recommended calibration interval, DNV approval, and an easy-to-use, time-saving user interface. The m1M digital pressure gauge maintains 0.25% of reading accuracy from -10 to 50°C. Accuracy is not affected by dropping, over-pressure, vibration, temperature, or rapid pressure change. Available as a 30 psi digital manometer. • 3-Year recommended calibration interval • Battery life up to 3 years continuous use • Bright backlit display • Easy to read extra-large numbers • Protective boot included • Shifts everyday wear to a replaceable CPF adapter
  • The HPC40 Series handheld pressure calibrator is the world's first combined pressure and mA loop calibrator to be fully temperature compensated from -20 to 50°C. You can count on the same accuracy whether measuring pressure, current, voltage, or temperature. • 0.035% of Reading Accuracy • Gauge, Absolute, and Differential Pressure to 15,000 psi / 1000 bar / 100 MPa • Advanced Simplicity "Non-Menu" Interface • Measure & Source mA with External Loop Power or Internal 24 VDC Power Supply • High Accuracy Thermometer with "True Ohm" Technology • Store & Recall Previously Used Screens • Flexible Power Options Including Rechargeable Combine the HPC40 Series with any of our ready to use pump systems, to provide a complete calibration kit.
  • Calibration lab in a box! This portable gauge and transmitter calibration system is 7 to 10 times faster than a deadweight tester. It allows you to do a 10 point up and down calibration in less than 3 minutes including printing out a calibration certificate. • Gauge / Chart recorder / Transmitter calibration system • 7 to 10 times faster than a deadweight tester • Reduce transcription / calculation errors • 0.1% of reading accuracy up to 15 000 psi (1000 bar) when using the XP2i as the reference or 0.05% of reading accuracy up to 5000 psi (300 bar) when using the 30 Series as the reference • Easy to use and install, wizards guide you through setup • Includes a weather-proof rolling case that can be used as a portable bench
    Automated Gauge Calibration System.  Pressure Standards are extra.
    Includes GaugeCalHP, FastCalXP, NPT CPF Fittings, Fine Adjust, Footswitch, Carrying Case, USB Adapter, and Rebuild Kit.
  • Advanced Pressure Module The APM CPF Series portable pressure modules offer the functionality and flexibility to perform pressure calibrations with a multifunction process calibrator. Or, combine with a hand-held pressure calibrator to expand its range. The APM CPF delivers the same high level accuracy whether in the lab or in the field. • Accuracy to 0.025% of Reading • Temperature Compensated from -20 to 50°C • Integrated CPF Connection • Seven Ranges Available • Rugged Cast Aluminum Housing • Self-Contained, Intelligent Modules
  • The PK II floating ball type pneumatic dead weight tester is engineered to offer user-friendly, safe operation.  The easy-to-use primary standard provides reliable and accurate pressure measurement in the field, or in a lab. • Accuracy to 0.015% of reading • Ranges to 30 psi • Available in psi, g/cm², bar, mbar, kPa, inHâ‚‚O, cmHâ‚‚O, and mmHg • Small incremental weight sets provide fractional output pressure Featuring a self-regulating design, that allows automatic stabilization of weights, eliminating the need to adjust input pressure. • Rugged ceramic measuring ball • Overhung weight carrier reduces side thrust and friction • Quick-leveling system for field use • Optional Tripod
    Local gravity and standard gravity (980.665 gals) versions available.
    **COST WILL VARY BASED ON CONFIGURATION – PLEASE REQUEST A QUOTE FOR ACTUAL COST**
  • The Type T tester is a dead weight tester that offers laboratory accuracy in an instrument designed to withstand an industrial environment or daily stresses of a manufacturing environment. Each tester features a re-entrant type measuring piston and cylinder assembly. This design reduces the rate of fluid leakage and increases float time, helping to maintain accuracy as test pressures increase. • Accuracy to 0.015% of reading • Ranges to 15,000 psi • Available in psi, kg/cm², bar, and kPa • Small incremental weight sets available. A dual volume pumping feature allows a large volume of fluid to be added at low pressures to fill the system and increase pressure rapidly. Once filled, switch to a smaller volume to easy pumping and provide finer control at higher pressures. • Overhung weight carrier reduces side thrust and friction • Over-pressure protection prevents piston damage • 3- leg design with bulls-eye leveling system • Single and dual column versions available to meet a wide variety of applications **COST WILL VARY BASED ON CONFIGURATION – PLEASE REQUEST A QUOTE FOR ACTUAL COST**
  • DP0V

    $446.46

    DP0V (125 psi / 8.6 bar) pump, no gauge adapter, 3ft hose, 1/4" MNPT process connection

    The ideal solution for very precise low pressure calibration or differential pressure testing using an external pressure calibrator as the reference.

    • Light weight, compact pump generates up to 125 psi (8.6 bar) with ease
    • Large volume fine adjustment piston provides precise control, even at very low pressures
    • Modular design makes field maintenance quick and easy
    • Precisely vent pressure with soft seated bleed valve
    • Two outlet ports provide connections for both pressure reference and for device under test thus eliminating a tee
    • Low volume Quick-test hose, gauge adapter and process connection can be attached to pump without thread sealant or a wrench
    • Rugged, all metal construction reduces pressure changes due to temperature fluctuations
    • Made in U.S.A.

    Item Includes

    • Hand Pump - DP0V Assembly (DP0V)
    • Hose - Quick-test 6900 psi hose, brass hose ends, 3 ft (92 cm) long (QTQT-HOS-3ft)
    • Hose Adapter - 1/4" male NPT x male Quick-test, no check-valve, brass (QTHA-2MB0)
  • Quick-test XT Hoses

    $153.10$1,102.72
    10,000 psi (689 bar) working pressure Microbore hoses that provide a very quick, low volume, high pressure way of connecting to any pressure instrumentation, hand pump, calibration source or device under test
    • Low volume reduces the pumping effort or compressed gas usage in pressure calibration
    • No thread sealant required – connect to adapters without wrenches, thread sealant or thread tape
    • Bubble tight connections to 10000 psi (689 bar) with no moving parts reduces maintenance to almost zero
    • Hose is hard to break and very flexible
    • Adapt from hose to virtually any device under test with only one connection
    • A corrosion resistant strain-relief on each hose end reduces wear and dramatically increases hose life
    • Hose is not recommended for Helium or Argon applications
    • Hose is pin-pricked for use in Natural Gas applications
    • Quick-test XT hoses are NOT compatible with QTHA adapters. Please use XTHA adapters
    • Made in USA
  • Connects Female NPT to Quick-test XT 10,000 psi hoses
    • Ideal for connecting to pressure transmitters or other devices under test using thread sealant
    • Quickly connect and disconnect Quick-test hoses for testing, calibrating and sampling
    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses
    • Made in USA
  • Make calibrating pressure transmitters a snap by eliminating the need for thread sealant or wrenches when connecting to any female NPT connection
    • A unique design allows connection to standard female NPT ports using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • A Cap and chain makes calibration easy and quick by connecting and disconnecting a hose without a wrench or thread sealant
    • Stainless steel construction
    • Made in USA
  • Connects Female NPT to Quick-test XT 10,000 psi hoses for permanent installation
    • Connect to pressure transmitters, EFMs, Flow Computers and other NPT devices under test using thread sealant for a permanent connection
    • Cap and chains make calibration easy and quick by connecting and disconnecting without a wrench or thread sealant
    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses
    • Made in USA
  • Quickly connect a pressure calibrator or other pressure device with Female NPT connections a to Ralston hand pump or nitrogen calibration equipment to 10,000 psi
    • Connect to any pressure calibrator or pressure module with Female NPT connections
    • Allows the calibrator and pressure source to be easily disconnected and stored separately
    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses
    • Made in USA
  • Connect a Quick-test XT hose to an NPT pressure gauge or any Male NPT device using thread sealant and a wrench
    • Connect to pressure gauges with NPT connections
    • Adapt to a wide range of Male NPT process connections to 10,000 psi
    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses
    • Made in USA
  • Connect Male NPT pressure gauge or other Male NPT device to a Ralston hand pump or nitrogen calibration device to create one side of a quick-disconnect to 10,000 psi
    • Install with thread tape once onto any male NPT pressure gauge then use the Quick-test connection to quickly connect or disconnect from any Ralston hand pump, nitrogen calibration device or other Quick-test adapter
    • Saves the threads on a pressure gauge by not needing to make and remake the connection with thread sealant
    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses
    • Made in USA
  • Connect Quick-test hoses to a male NPT pressure gauge. It allows one to connect a hose to a pressure gauge, calibrate it and remove it without a wrench or thread sealant.
    • A unique design allows connection to any male NPT pressure gauge connection using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • Stainless steel construction
    • Made in USA
  • Connect Quick-test XT hoses to a male NPT pressure gauge. It allows one to connect a hose to a pressure gauge, calibrate it and remove it without a wrench or thread sealant.
    • A unique design allows connection to any male NPT pressure gauge connection using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • Stainless steel construction
    • Made in USA
  • Connect a hose on one side of a panel, wall or enclosure with female NPT on the other side
    • Bulkhead seals so no liquid or moisture can get into a control panel or enclosure
    • Use to connect fittings on the inside of an enclosure to a Quick-test hose on the outside of the enclosure
    • Will connect through a wall that is up to 0.5 in (1.3 cm) thick
    • Made in USA
  • Make a bubble-tight connection to any Swagelok, Parker, Hoke, SSP, Tylok or equivalent tube fitting without a wrench to 15,000 psi
    • An excellent solution for connecting to tube fittings for pressure calibration, gas sampling, pressure reading and testing
    • A unique design that seals on an o-ring to prevent damage to a tube fitting
    • Make and remake hundreds of times without over-tightening a tube fitting
    • Made in USA
  • DV0V

    $446.46
    DV0V (23 inHg / 650 mm Hg Vac) pump, no gauge adapter, with 3ft hose, 1/4" MNPT process conn. Generate vacuum to calibrate vacuum devices in the field Light weight, compact pump generates 23 inHg (584mm Hg)vacuum with ease Large volume fine adjustment piston provides precise control, even at very low vacuums Modular design makes field maintenance quick and easy Precisely vent pressure with soft seated bleed valve Two outlet ports provide connections for both pressure reference and for device under test thus eliminating a tee Low volume Quick-test hose, gauge adapter and process connection can be attached to pump without thread sealant or a wrench Rugged, all metal construction reduces pressure changes due to temperature fluctuations Made in U.S.A. Item Includes Hand Pump - DV0V Assembly (DV0V) Hose - Quick-test 6900 psi hose, brass hose ends, 3 ft (92 cm) long (QTQT-HOS-3ft) Hose Adapter - 1/4" male NPT x male Quick-test, no check-valve, brass (QTHA-2MB0)
  • SP0V

    $830.63$833.41
    The SP0V gas sampling pump can pull low pressure gas from a well and boost it to 25 psi to pump it into a sample cylinder Hard Anodized aluminum body and stainless steel fittings so no issues with corrosion, cracking or cross contamination of the sample Inlet and outlet hose has Nylon inner core tube which does not affect the sample Low compression rate will not adversely affect the sample by bringing the gas close to the hydrocarbon dew point (25 psi/2 bar) Hydrocarbon-free lubricant does not contaminate the sample with any foreign hydrocarbons Designed in accordance with API MPMS Chapter 14.1 on natural gas sampling Ideally suited for use with the purge and fill method of gas sampling Made in USA
  • Connect to any male 37 degree flare adapter or tube
    • Connect to male AN flare connections without a wrench
    • Excellent for use in Aerospace and marine use
    • Cap adapters off when not in use
    • Made in USA
  • Connect a male 37° flare AN/JIC fitting to a Quick-test hose without a wrench
    • A unique design allows connection to standard male 37° flare fitting using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • Stainless steel construction
    • Made in USA
  • Connect a male 37° flare AN/JIC fitting to a Quick-test hose without a wrench
    • A unique design allows connection to standard male 37° flare fitting using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • Stainless steel construction
    • Made in USA
  • Connect a Quick-test hose directly to a DP transmitter using the bleeder port when the transmitter is not mounted on a 3 or 5 valve manifold or when the manifold is not easily accessible. This unique fitting makes a metal to metal seat on the transmitter and a Quick-test hose can be attached on the other side Connects through the bleeder screw port on a DP transmitter Made in USA
  • Ideal for situations where frequent calibration of a DP transmitter using the bleeder port is required This unique fitting makes a metal to metal seat on the transmitter and a Quick-test hose can be attached on the other side Connects through the bleeder screw port on a DP transmitter Made in USA
  • Connect a Quick-test hose directly to a DP transmitter using the bleeder port when the transmitter is not mounted on a 3 or 5 valve manifold or when the manifold is not easily accessible. This unique fitting makes a metal to metal seat on the transmitter and a Quick-test XT hose can be attached on the other side Connects through the bleeder screw port on a DP transmitter Pressurize to 10,000 psi (700 bar) Made in USA
  • Pete’s Plug Adapters

    $100.97$105.70
    Connect to any Size Petes Plug for testing, sampling or reading a pressure. Connect from any Pete's Plug directly to a Ralston Quick-test hose, gauge or FieldLab for quick pressure testing "Pete's Plug" is a registered Trademark of Peterson Industries Made in USA
  • Connect to any medium pressure connection Ideal for connecting to Autoclave Engineers, Butech, HIP or Parker Medium Pressure connections Connect to Crystal Engineering pressure gauges or pressure calibrators with Female CPF pressure connections Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses Made in USA
  • Connect a Female High Pressure 60 degree coned and threaded pressure fitting to a Quick-test hose Excellent for connecting to Autoclave Engineers, Butech, HIP (High Pressure Equipment), Parker or equivalent High Pressure coned and threaded connections, valves, tees and unions Metal to metal seal provides leak-free service Made in USA
  • Connect a Female 60 degree coned and threaded pressure fitting to a Quick-test XT 10,000 psi hose Excellent for connecting to Autoclave Engineers, Butech, HIP (High Pressure Equipment), Parker or equivalent High Pressure coned and threaded connections, valves, tees and unions Metal to metal seal for 10,000 psi service Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses Made in USA
  • Connect to any CGA 580 cylinder valve without a wrench or thread sealant Use in the field when connecting a pressure regulator to a nitrogen cylinder Use when filling multiple gas bottles Made in USA
  • Connect a Ralston Quick-test hose to a 1620 connection Adapt any Hydrotechnik Minimess or equivalent 16 x 2.0 connection to a Ralston Quick-test adapter Made in USA
  • Connect to Female Metric thread comparators, pressure pumps and devices under test Excellent for use in the laboratory for adapting Female Metric pressure comparators to Quick-test Use with any Quick-test Quick-connect adapter or hose Made in USA
  • Connect a pressure gauge with Metric male parallel thread to a Quick-test hose A unique design allows connection to any male metric connections using a pressure-assisted o-ring seal Pressure helps to seal the fitting better Stainless steel construction Made in USA
  • Connect to SAE/MS ports on pressure calibrators, pipelines and other processes Connect using an o-ring seal avoids issues with vibration, heating and cooling Excellent for aerospace and automotive connections with female SAE/MS ports Made in USA
  • Connect 2 Quick-test XT 10,000 psi hoses together quickly and easily Quick-test XT connection makes connecting two high pressure hoses together quick and easy Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses Made in USA
  • Excellent for safely connecting two Quick-test hoses through an enclosure, truck, or panel wall Bulkhead seals so no liquid or moisture can get into a control panel or enclosure Use to connect a Quick-test hose on the inside of an enclosure to a Quick-test hose on the outside of the enclosure Will connect through a wall that is up to 0.5 in (1.3 cm) thick Made in USA
  • Excellent for safely connecting two Quick-test XT 10,000 psi hoses through an enclosure, truck, or panel wall Bulkhead seals so no liquid or moisture can get into a control panel or enclosure Use to connect a Quick-test XT hose on the inside of an enclosure to a Quick-test XT hose on the outside of the enclosure Will connect through a wall that is up to 0.5 in (1.3 cm) Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses Made in USA
  • Connect a hose to an adapter that is in a hard to reach place Ideal for accessing pressure transmitter ports and other equipment that is hard to reach Position pressure gauges for easy reading Durable forged construction Made in USA
  • Connect 3 Quick-test XT 10,000 psi hoses together without a wrench or thread sealant Durable forged construction Full flow through all ports Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses Made in USA
  • Cap and chain for any male Quick-test adapter with a cap and chain Seals any male Quick-test adapter to 5000 psi (345 bar) Install on any Quick-test adapter for permanent installation in the field Made in USA
  • Quick-test Plugs

    $20.64$34.02
    Plug a hose to prevent fluid from leaking out Pressure-tight with just your fingers Made in USA
  • Turn any Quick-test XT adapter into a permanent installation with the addition of a cap and chain Seals any male Quick-test XT adapter Install on any Quick-test XT adapter for permanent installation in the field Note that these are not compatible with QT or QS hoses. Please use only on Quick-test XT adapters Made in USA
  • Replacement Gauge Swivels

    $17.98$48.93
    Use to mount gauges on Ralston Instruments model APGV, HPGV, XHGV hand pumps Swivels allow the user to easily switch gauges on a single hand pump Made in USA
  • Filter out particulate from the process to keep your hose and calibrator
  • Valved Fittings

    $124.28$240.92
    Install between a pressure gauge and the process and isolate the process from the gauge to perform a calibration of the gauge. After completing the calibration open the valve and place the gauge on-line, all without blowing down the system. * Use whenever there is a gauge that needs frequent calibration or verification
  • In-line vent valves

    $109.58$207.12
    Use to slowly or quickly bleed pressure from a line after a calibration is complete Easily connect between the end of a Quick-test hose and the process connection Keep fluid or contaminates out of the hand pump, calibrator or nitrogen control device

Title

Go to Top