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Ralston Instruments

Ralston QTVC Pressure Volume Controller (210 Bar)

The Ralston QTVC pressure volume controller allows you to quickly and easily calibrate very low or high pressure instrumentation using a compressed inert gas source and an attached pressure reference.

Built-in fill, vent, balance and precision fine adjust valves provide the control you need. Inlet and multiple outlet ports, hoses and a choice of quick-test adapters means finger-tight connections to a wide range of test and calibration equipment.

With an integrated handle and stand, the lightweight and compact QTVC is easy to carry and suitable for laboratory or table-top use.

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Manufacturer Ralston Instruments
Manuf. Model QTVC
Manufactured In U.S.
  • Rated to 3000 PSI / 210 Bar
  • Pressure balanced fine adjust vernier with ±0.0005 PSI resolution
  • Soft seated fill and vent valves for precise control
  • Ralston quick-test male inlet and outlet ports
  • Quick-test connections don't require thread tape or tools
  • Anodised aluminium, brass, plated and stainless steel construction
  • Modular design with replaceable parts for quick and easy maintenance
  • Operating temperature range of -18 to +54°C
  • Lightweight, portable design (weighs only 2.4 kg)
  • QTVC assembly
  • Quick-test male inlet port (QTHA-5SB0, brass)
  • 3 x quick-test male outlet ports (QTHA-5SB0, brass)
  • 2 x cap and chain fittings (QTFT-CAPB, brass)
  • Choice of quick-test gauge adapter (brass)
  • 1m hose (QTQT-HOS-1m, brass fittings)
  • 2m hose (Q
Warranty 12 Months
Returns Policy Covered by our 7 day NQA return guarantee. See our help section for full details.

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