Ultra-Precise Pressure Control
Reduce leaks and save valuable time in the field with the revolutionary Ralston Calibration Manifold. This unique, hand-held compressed gas controller provides exceptional control right where you need it most - directly at the device under test.
![](https://ralstoninst-cms.imgix.net/landing/ChartRecorder-FieldLab-QTCM-Hands-Medium-Landscape.jpg?auto=compress%2Cformat&crop=focalpoint&domain=ralstoninst-cms.imgix.net&fit=crop&fp-x=0.5&fp-y=0.5&h=78&ixlib=php-3.3.1&w=150&s=f76bb2dbc5b35cb4a974f0ea55e20dd6)
Compact, Intuitive Design
Leave the bulky rig of valves and fittings back at the truck. The portable calibration manifold requires very little space for operation. Just hook up a compressed gas cylinder at one end, a device to be calibrated on the other, and a gauge in the middle. It’s that simple.
![](https://ralstoninst-cms.imgix.net/landing/QTCM_FLP1-W1_XMITTER-features-16x9.jpg?auto=compress%2Cformat&crop=focalpoint&domain=ralstoninst-cms.imgix.net&fit=crop&fp-x=0.5&fp-y=0.5&h=84&ixlib=php-3.3.1&w=150&s=35be03a889a8f8ecea07dca5578e004c)
Greater Accuracy with Less Effort
Fine-adjustment piston with soft-seated fill and vent valves delivers ultra-precise pressure control, allowing technicians to quickly reach the test points required to perform static calibrations.
![](https://ralstoninst-cms.imgix.net/landing/QTCM-LC10-use-totalflow-marketing-16x9.jpg?auto=compress%2Cformat&crop=focalpoint&domain=ralstoninst-cms.imgix.net&fit=crop&fp-x=0.5&fp-y=0.5&h=84&ixlib=php-3.3.1&w=150&s=ac064504b8dc743bebf9dd7a44c7fe70)
Fine-tune Pressure Directly at the Source
- Suitable for calibration of static or high side of a differential pressure (DP) transmitter
- Ideal for testing of analog gauges on well heads up to 5000psi and similar applications where compressed gas is required
- A time-saving tool for verification of analog or digital pressure devices in the field up to 5000psi
![](https://ralstoninst-cms.imgix.net/landing/QSCM_QTCM-16x9.jpg?auto=compress%2Cformat&crop=focalpoint&domain=ralstoninst-cms.imgix.net&fit=crop&fp-x=0.5&fp-y=0.5&h=84&ixlib=php-3.3.1&w=150&s=d71dfc31dfc9e6f539294aa3d2e9b7b6)
Brass & Stainless Steel Options
QTCM Brass Manifold - for pressure calibration from 0 to 3000 psi
QSCM Stainless Steel Manifold - for higher pressure calibration from 0 to 5000 psi, with greater chemical compatibility
![](https://ralstoninst-cms.imgix.net/landing/posed_adaptgauge_QTCM-qtcm-features-16x9.jpg?auto=compress%2Cformat&crop=focalpoint&domain=ralstoninst-cms.imgix.net&fit=crop&fp-x=0.5&fp-y=0.5&h=84&ixlib=php-3.3.1&w=150&s=8f4a99a800d7ce713904ce7e5f4148a9)
Ralston Quick-test™ Ports for Fast, Secure Connections
Features Ralston Quick-test™ fittings, hoses and adapters for no-tool, no- thread tape, leak-free connections.
Configure a Calibration Manifold
Ralston Calibration Manifolds come in a variety of different configurations. Choose which bundle is right for your application.
![](https://ralstoninst-cms.imgix.net/general/ralston-quick-test-logo.png?auto=compress%2Cformat&crop=focalpoint&domain=ralstoninst-cms.imgix.net&fit=crop&fp-x=0.5&fp-y=0.5&h=32&ixlib=php-3.3.1&w=150&s=0006e612f5fe880762a57b3fcfca8a6b)
Part of the Ralston Quick-test™ System of safe, stable, leak-free connections without a wrench.
Contact us for a quote and we'll be in touch.