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Calibration tests are only as good as the pressure reference. When your pressure calibrator helps you complete work and follow standard operating procedures, it does even more than provide accuracy. Intrinsically safe with 0.1% of reading accuracy, the Ralston FieldLab Pressure Reference is a pressure calibrator that works the way you do.
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The LC10 is a robust device that measures and displays pressure readings on a large, backlighted screen. The LC10 has the ability to show high and low pressure values on-screen, change between 15 different engineering units or add custom engineering units. The included PC FieldLab Desktop software can be used for calibration, testing and live viewing of pressure. Available in pressure ranges from vacuum to 10,000psi with an accuracy of 0.25% F.S.
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The new LC10-TA is a handheld, general-purpose digital temperature probe that generates reliable, accurate readings across a wide range of temperatures. Featuring a rugged, stainless steel probe, the LC10-TA is designed as a portable, easy-to-use device, and the ideal choice for lab personnel, I&E and hydrostatic technicians and anyone involved in temperature monitoring in non-hazardous locations
No Glass. No Mercury. No Problem.
The new QTHP Pump from Ralston replaces the popular HPGV and XHGV Hydraulic Pumps. The QTHP Pump includes 2 Quick-test outlet ports, 1/4" fnpt gauge connection and a 1/4"MNPT Process Connection along with a 3' Microbore hose.
Download the QTHP Brochure
The new XTHP Hydraulic Hand Pump from Ralston Instruments is rated to 10,000PSI. It includes 2 Quick-test XT outlet ports, 1/4" fnpt gauge connection and a 1/4" MNPT Process Connection along with a 3' Microbore hose.
Download the XTHP Brochure
Reach 650 psi / 45 bar without a lot of effort with the new Ralston DCAP Pressure Test Pump. It is constructed with anodized aluminum handles, stainless steel fittings & hose, and a precision fine adjust control. It's one of the best designed and most exciting new products in the test and calibration market!
Now available the DCAP-PV. A versatile, easy-to-use pressure pump that allows you to quickly switch to vacuum testing with just a turn of a knob. Able to generate pressure to 650psi and vacuum to 28.5 inHg.
Download the DCAP Brochure
Download the DCAP-PV Brochure
Download DPPV Brochure
Download DPOV Brochure
The SPOV gas sampling pump can pull low pressure gas from a well and boost it to 25 psi to pump it into a sample cylinder.
Download the SPOV Brochure
The new Ralston Instruments NITROPAK™ is an innovative Portable Pressure Supply with a high pressure gas calibration source of up to 3,000psi. The NITROPAK™ comes with all stainless steel fittings, tubing, test hoses and fill hoses. It is also equipped with pressure balanced fine adjust for precision control all contained in a rugged ABS case.
Download the NitroPak Brochure
Download the Volume Controller Brochure
The new benchtop calibration manifolds from Ralston Instruments are ideal for testing multiple pressure instruments at once up to 5000psi & 10,000psi
Quick-test Benchtop Manifolds
Piston sensed pressure reducing regulator for use in providing a stable pressure to precision pressure control devices.
Download the XREG Datasheet
The QTCM calibration manifold incorporates Ralston "Quick Test" fittings and hose connections, inlet and outlet needle valves, calibrator and test ports as well as a volume adjust that allows for precise pressure control and adjustment. Now you have one neat compact package that mounts directly to your pressure calibrator or test gauge and allows you to calibrate using a high pressure gas supply up to 3000 psi! Supplied with a 20' micro bore inlet hose and 2' micro bore test hose and 1/4" npt adaptor.
Download the QTCM Brochure
Ralston offers the universal pressure hose system, for use with any standard connection. The system includes low volume, high pressure hoses for pressure testing, calibration and leak testing. Leak-free instant connections with no wrench or thread tape and is compatible with all standard process connections for all major pressure media, applications and connection standards with options up to 10,000 PSI. Ralston Quick-test™ adapters and hoses can be used with liquid and gaseous media in industrial, maritime and petrochemical applications.
Create Your Own Solution and your own customer hoses with the Ralston adapter and hose finder. The adapter search tool makes it easy to find the exact process adapter, pressure gauge adapter, calibrator adapter, tee or union to work with all standard connections in the field.
Find an Adapter
Build a Custom Quick-test Hose
Watch the Ralston Male NPT Quick-test™ Fittings Video