Recommended Stocking List for Ralston Instruments Distributors

Model Connection End 2 Connector Materials
QTFT-2MB0 1/4" Male NPT (ASME B1.20.1) Male Quick-test Brass
QTHA-2MB0 1/4" Male NPT (ASME B1.20.1) Male Quick-test Brass
QTQT-HOS-3ft     Brass
QTFT-CAPB Female Quick-test   Brass
QTHA-2TB0 1/4" Male Tube Fitting Male Quick-test Brass
QTFT-2MS0 1/4" Male NPT (ASME B1.20.1) Male Quick-test Stainless Steel
QTFT-2MB1 1/4" Male NPT (ASME B1.20.1) Male Quick-test Brass
QTHA-3TB0 3/8" Male Tube Fitting Male Quick-test Brass
QTHA-1MB0 1/8" Male NPT (ASME B1.20.1) Male Quick-test Brass
QTHA-2FBA 1/4" Female NPT (ASME B1.20.1) Female Quick-test Brass
QTHA-4TB0 1/2" Male Tube Fitting Male Quick-test Brass
QTHA-2MS0 1/4" Male NPT (ASME B1.20.1) Male Quick-test Stainless Steel
QTHA-HSHS Male Quick-test Male Quick-test Brass
QTHA-2FB0 1/4" Female NPT (ASME B1.20.1) Male Quick-test Brass
QTFT-CAPS Female Quick-test   Stainless Steel
QTHA-FRS0 5/16-24 Male DP Transmitter/Gauge valve Male Quick-test Stainless Steel
QTHA-1MBA 1/8" Male NPT (ASME B1.20.1) Female Quick-test Brass
QTHA-2MBA 1/4" Male NPT (ASME B1.20.1) Female Quick-test Brass
QTFT-2MS1 1/4" Male NPT (ASME B1.20.1) Male Quick-test Stainless Steel

Hand Pumps, Nitropaks, Calibration Manifolds, Volume Controllers

Model Max Pressure Pressure Media Materials
QTHP-2FBA 5000 PSI / 350 bar / 35 MPa Liquid Anodized Aluminum, Brass, Stainless Steel, Polysulfone
DP0V-0000 125 PSI / 8.6 bar / 860 kPa Air Anodized Aluminum, Brass, Stainless Steel
DPPV-0000 125 PSI / 8.6 bar / 860 kPa Air Anodized Aluminum, Brass, Stainless Steel
QTCM-0000-0-0 3000 PSI / 200 bar / 20 MPa Nitrogen, inert gas Brass
DCAP-0000 650 PSI / 45 bar / 4.50 MPa Air Anodized Aluminum, Stainless Steel
DCAP-PV-0000 650 PSI / 45 bar / 4.50 MPa Air Anodized Aluminum, Stainless Steel
NPAK-0000-0-0 3000 PSI / 200 bar / 20 MPa Nitrogen, inert gas ABS Plastic, Aluminum, Anodized Aluminum, Brass, Plated Steel, Stainless Steel, Zippered Nylon with Velcro
XREG-KIT0 3000 PSI / 200 bar / 20 MPa   Anodized Aluminum, Stainless Steel
QTVC-0000-0-0 3000 PSI / 200 bar / 20 MPa Nitrogen, inert gas Anodized Aluminum, Brass, Plated Steel, Stainless Steel

Pressure References

Model Max Pressure Measurement Type Pressure Measurement Uncertainty
FLP1-GJ-2M 100 PSI / 7 bar / 700 kPa Gauge Pressure +/- 0.02% of Full Scale (0-20% of Full Scale), +/- 0.1% of Reading (20-100% of Full Scale)
FLP1-GR-2M 3000 PSI / 200 bar / 20 MPa Gauge Pressure +/- 0.02% of Full Scale (0-20% of Full Scale), +/- 0.1% of Reading (20-100% of Full Scale)
FLP1-GT-2M 5000 PSI / 350 bar / 35 MPa Gauge Pressure +/- 0.02% of Full Scale (0-20% of Full Scale), +/- 0.1% of Reading (20-100% of Full Scale)
LC10-GR2M 3000 PSI / 200 bar / 20 MPa Gauge Pressure +/- 0.25% of Full Scale (ASME B40.100 Grade 3A/ISO Class 0.25)
LC10-GL2M 300 PSI / 20 bar / 2.00 MPa Gauge Pressure +/- 0.25% of Full Scale (ASME B40.100 Grade 3A/ISO Class 0.25)
LC10-GP2M 1000 PSI / 70 bar / 7.00 MPa Gauge Pressure +/- 0.25% of Full Scale (ASME B40.100 Grade 3A/ISO Class 0.25)
LC10-GT2M 5000 PSI / 350 bar / 35 MPa Gauge Pressure +/- 0.25% of Full Scale (ASME B40.100 Grade 3A/ISO Class 0.25)