Volume Controllers
calibration instruments
Ralston Instruments QTVC Pressure Calibration Volume Controllers Perform both ultra-precise low pressure differential or high pressure static pressure calibrations with nitrogen using the same device.
• Proprietary Pressure Balanced Fine Adjustment Piston Allows for Extremely Precise, Finger-Tip Control of Pressure at 0.03 PSI (2 mbar) or 3,000 PSI (210 bar) or any Range in Between • Fine Adjust Piston, Fill, Balance and Vent Valves are in One Light Weight, Compact Unit • Includes Handle, Transcat 5854P Outlet Connections, Hoses and Adapters • Low Volume Quick-Test Hose, Gauge Adapter and Process Connection Can be Attached to QTVC without Thread Sealant or a Wrench • Each Unit Includes Laboratory Stand with Handle for Table Top Use • Optional Digital Gauge ( ± 0.1% of Reading or 0.25% Full Scale) • Use in the Lab as a Pneumatic Comparator to Calibrate Pressure Gauges • Made in U.S.A.
A
QVTC
Each Unit Includes: Volume Controller, One 6’ Hose, One 3' Hose, Two 1/4” Male NPT Process Connections, and One Gauge Connection.
Specifications
QTVC Connection Type Maximum Pressure
National Pipe Thread (NPT)
3,000 PSI (210 bar)
Pressure Media
Compressed Nitrogen or Any Clean, Dry, Non-Corrosive Gas
Fine Adjust Resolution Mechanical Rotation
±0.0005 PSI (0.035 mbar)
42 Turn (Pressure Balanced) Operating Temperature Range 0° to 130°F (-18° to 56°C) Construction
Aluminum, Brass, Plated Steel, Stainless Steel
LC10 See Page B24
Seal Material
Buna-N, Teflon™, Delrin™
Weight
3.7lb (2.5kg), with Stand 6.2lb (2.8kg)
FieldLab See Page A47
Ordering Information
Mfg #
Description
Order #
Price
$ 2,409 $ 4,220 $ 2,409 $ 4,220 $ 1,909 $ 1,728
QTVC-1KPSIG-D QTVC Volume Controller, 1,000 PSIG Digital Gauge, 2 Hoses, 2 Process Connections
QTVC-1KPSIG-D QTVC-1KPSIG-FL QTVC-3KPSIG-D QTVC-3KPSIG-FL QTVC-2FBA-6-3 QTVC-0000-0-0
QTVC-1KPSIG-FL
QTVC Volume Controller, 1,000 PSIG FieldLab, 2 Hoses, 2 Process Connections
QTVC-3KPSIG-D QTVC Volume Controller, 3,000 PSIG Digital Gauge, 2 Hoses, 2 Process Connections
QTVC-3KPSIG-FL QTVC-2FBA-6-3 QTVC-0000-0-0
QTVC Volume Controller, 3,000 PSIG FieldLab, 2 Hoses, 2 Process Connections Precision Volume Controller, 1/4" Female NPT Gauge Conn., 2 hoses, 2 Process Connections
Precision Volume Controller, No Gauge Connection, No Hoses
Recommended Accessories
$ $ $ $ $ $ $ $ $
219
QTVC-LKIT QTHA-2FBA QTHA-1MBA QTHA-2MBA QTVC-REPK QTHA-2MB0
Replacement Laboratory Kit - Includes Stand and Handle 1/4" Female NPT x Female QT, No Check-Valve, Brass 1/8" Male NPT x Female QT, No Check-Valve, Brass 1/4" Male NPT x Male Female QT, No Check-Valve, Brass
QTVC-LKIT QTHA-2FBA QTHA-1MBA QTHA-2MBA QTVC-REPK QTHA-2MB0
20 18 21 67 12
QTVC Volume Controller Repair Kit
Replacement 1/4" Male NPT Process Connection
170 204
5854P-3 5854P-6
Tubing / Fitting Kit, 3' Tubing / Fitting Kit, 6'
QTHA-KIT6-3FT QTHA-KIT6-6FT
1000
XREG-KIT0
Pressure Regulation Kit with Gauges, CGA 580 Quick-Connect
XREG-KIT0
A52
phone : 800-828-1470 fax : 800-395-0543 TRANSCAT.com
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