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World renowned manufacturer of pressure calibration equipment
Hydraulic Pumps
Connect this directly between the equipment to be tested and a reference. No need for a "T" joint.
- Portable hand operated hydraulic pumps that easily generate up to 5000 psi (350 bar)
- Two outlet ports allow user to connect to both device under test and external pressure calibrator thus eliminating a tee.
- Fine Adjustment piston provides an easy way to achieve precise pressure
- Liquid reservoir holds enough fluid for multiple calibrations
- 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 improves temperature and pressure stability
Pneumatic Cylinder Hand Pumps
 Perform very precise low pressure calibration or differential pressure calibration using an attached gauge or calibrator.
Pneumatic Scissor Hand Pumps
 The quickest and most economical way to perform pneumatic field calibrations on pressure transmitters, switches or gauges using an external pressure calibrator as the reference
Calibration Manifolds Full Calibration Kits
 Perform static pressure calibrations using nitrogen with included calibration manifold, pressure gauge and hoses
Click here to view the Ralston Instruments Brochure
JM Test Systems Offers a complete line of Ralston adaptors and fitting. Call us for more information at 800-353-3411 |
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Call 800-353-3411 for configuration and pricing. |
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Model 30 Series Pressure Calibrators
Why carry a toolbox of pressure gauges and modules? When a Crystal Model 30 Series Pressure Calibrator can do the whole job! Accurately measure vacuum to 3000 PSI with one pocket sized pressure calibrator - without extra modules.
 Digital Pressure Gauge
 The new and improved XP2i has all of the innovative features of our popular XP2 digital pressure gauge and more. Now Intrinsically Safe, Class I, Division I, Groups A, B, C, and D, temperature code T4 with a backlit display. Available with optional dual line pressure display to view peak and live pressure simultaneously - ideal for relief valve testing
Hand Pumps and Accessories
 Crystal Engineering offers a range of accessories for test and calibration of pressure instruments in the field. Included in this datasheet are portable pressure sources (hand pumps); leak-free fittings and hoses that easily connect to pumps, gauges, and other devices without the need for tools; waterproof carrying cases; and complete carry-case kits that include all of the accessories you need for specific Crystal gauges and calibrators.
Click here to download a Crystal Engineering Catalog.
Click here to view Crystal 30 Series operating manual.
 GaugeCalXP
The GaugeCalXP is a portable, self contained, hydraulic pressure generator for the calibration of pressure gauges rated up to 700 bar or 10,000 PSI. Gauges and fittings are not included.
 nVision
It's not just a new pressure calibrator or a new pressure recorder. It’s a field calibrator that can display recorded data graphically on a high resolution screen. No need to stop a test to analyze data on a PC. Stored data, or data being recorded can be displayed graphically, with the ability to zoom into specific events, or zoom out to get a big picture of your test. There's never been anything like this!
Click here to view nVision Datasheet.
 CPF - Crystal Pressure Fittings
Introducing a revoluntionary fitting system for fast, safe, and leak free connections. Your fingers are the only tools required when connecting our 316 Stainless Steel CPF fittings together.
Click here to view CPF Datasheet.
Crystal Pressure Kit
 Crystal Pressure Kit IS 33 16/1500 OR IS 33 36/3000
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