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Caisson Gauge
63mm Panel Mount Pressure Gauges




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150mm 3-Hole Front Flange Stainless GA Drawing
150mm Panel Clamp Stainless GA Drawing
160mm 3-Hole Front Flange Stainless GA Drawing
160mm Panel Clamp Stainless GA Drawing


150mm & 160mm Stainless Steel Pneumo Depth Gauge

The Ashford Instrumentation Ltd 6" diameter stainless steel case pneumo gauge is available with either a 150mm or 160mm diameter case depending on the panel mount Pitch Centre Diameter (PCD) required. 

The 150mm diameter case has a PCD of 168mm

The 160mm diameter case has a PCD of 178mm.

This precision pressure gauge is commonly used for diver depth monitoring or for measuring the pressure within a hyperbaric chamber and features the ability to zero the pointer via an adjustment screw located on the front of the gauge as well as having an option for Full Safety Pattern design case to "S3" standard as defined in the European standard EN837-1. This means that this fully degreased gauge is suitable for use on breathing air and enriched oxygen applications and is ideal for commercial diving applications where oxygen or enriched air is being used. With an accuracy of 0.25% full scale, an easy to read mirror band dial and knife edge pointer, this premium pneumo gauge is built to the highest engineering standards. 

Features include an optional full safety pattern case with solid baffle wall and large blow out device that is a requirement for oxygen service applications in Europe according to the European Standard EN838-1, as well as on any gas, air or vapour application where the instrument scale range exceeds 25 Bar (250 Meters Sea Water). 

As sea water scales do not have an Internationally recognised value please note that all of our instruments are manufactured with a sea water specific gravity value of  1.025 which is marked on the dial. 

As standard this instrument is supplied as 3-hole front flange with lower back entry. a. Panel mounting bezels are optional available in a range colours including red, green, blue and yellow.