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Robust Precision Test Gauges

Supplier: Zedflo Australia

The 3D Precision Test Gauge (PTG) from Zedflo Australia, is used worldwide for industrial and laboratory pressure transfer measurements.

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Incorporating 3D Instruments' well known expertise in test gauge design and application, the PTG provides unsurpassed long-term accuracy.

The dial face design comes directly from 3D experience with the practical use of high resolution pressure calibration in the laboratory and in the field.

Utilising a highly sensitive Ni-Span C bourdon tube, the PTG is virtually unaffected by temperature variations.

This obviates the need for an expensive add-on temperature compensation device. The bourdon tube material offers a superior spring rate varying only 0.02% from -25° F (-32° C) to 125° F (+52° C).

With the FTG, there is no requirement for preliminary pressure cycling. All materials utilised are selected to be corrosion resistant and all gauges are supplied with a bleed port. Bronze bushings are used to ensure low friction and long term precision in extreme applications involving dust, vibration and temperature variation.

The gauge dial uses the 3D Instruments anti-glare soft green colour with anti-parallax mirror band and white outer ring for maximum user resolution. This approach has proven practical advantages for technicians and engineers.

All 3D Instruments Precision Test Gauge dials, for pressure ranges from vacuum to 10,000 PSI/600 bar, are linear and for the same pressure range are interchangeable in the field.

The advantage of using the Ni-Span C bourdon tube and the resulting low hysteresis is that the PTGs are not individually matched to a non-linear dial. The compelling benefit here is that this makes field repair and calibration not only a possibility but a relatively easy task performed with exactness and facility by instrument technicians.

The combination of sophisticated pressure measurement technology, robust design and high quality materials makes the Precision Test Gauge from 3D Instruments the ideal choice for your demanding high accuracy pressure measurement applications.

Robust 3D Test Gauges are available with accuracies of 0.1% and 0.25%.

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