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Part No.
QTVC volume controller only, no gauge adapter, no hoses, no
process connections
Perform both ultra-precise low pressure
differential or high pressure static pressure
calibrations with nitrogen using the same
device with an external pressure calibrator
• Proprietary pressure balanced fine adjustment piston allows
for extremely precise, finger-tip control of pressure at 0.03 psi
(2 mbar) or 3000 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, Quick-test Systemâ„¢ 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
• Soft-seated valves make filling and venting the system very
• Included stand for laboratory or table top use (QTVC-LKIT)
• Optional padded strap for field use (NPAK-STRP)
• Made in U.S.A.
Item Includes
• Assembly - QTVC Assembly (QTVC)
Pressure Range
0 to 3000 psi (0 to 207 bar)
Vacuum Range
0 to 10"Hg (0 to 254 mmHG)
Temperature range
0 to 130 °F (-18 to 54 °C)
Anodized Aluminum, Brass, Plated Steel, Stainless Steel
Seal materials
Buna-N, Delrin, Teflon
5.39 lb (2.4 kg)
H: 6.16 in (15.65 cm) x W: 8.5 in (21.59 cm) x D: 7.38 in (18.75 cm)
Ralston Instruments Inc. | | Toll Free 800-347-6575 | Phone 440-564-1430 | Fax 440-564-1480