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Subsea Pressure Gauges, Subsea Pressure & Depth Transmitters, Subsea Thermometers

Subsea pressure gauges, subsea pressure transmitters and subsea thermometers from our subsea instrumentation division form part of our extensive range of diving & marine products that includes pneumo gauges and caisson gauges. Our 450 series of subsea pressure gaues is available ex-stock and measurements in water depths down to 4000 meters subsea can be accommodated from some of our specialised products. Compensated subsea pressure gauges can be supplied for certain applications and special white text on black dials are also available. 50mm Subsea bail out gauges are available ex-stock for diving breathing tanks.

 PRODUCT IMAGE PRODUCT DESCRIPTION

SPAN Instruments Subsea Gauge - 2.5 SPAN Instruments Subsea Gauge - 2.5", 3.5" & 4.5" Diameter

Ashford Instrumentation Ltd are an approved re-seller of the SPAN Instruments product range. The Span SUB LFC direct mount back entry compensated subsea gauges are designed for rugged service applications. The liquid fill dampens the gauge pointer fo... VIEW MORE
Compensated Subsea Pressure Gauge - 63mm Bottom Entry Stainless Steel Case Compensated Subsea Pressure Gauge - 63mm Bottom Entry Stainless Steel Case

63mm diameter compensated subsea gauge with rear compensating diaphragm to all process pressure to be measured against the ambient sea water pressure subsea. Conventional subsea pressure gauges rely on the strength of the case and window to with... VIEW MORE
Compensated Subsea Pressure Gauge - 100mm Stainless Steel Case Compensated Subsea Pressure Gauge - 100mm Stainless Steel Case

100mm diameter compensated subsea gauge with rear compensating diaphragm to all process pressure to be measured against the ambient sea water pressure subsea.Conventional subsea pressure gauges rely on the strength of the case and window to withstand... VIEW MORE
Compensated Subsea Pressure Gauge - 150mm Stainless Steel Case Compensated Subsea Pressure Gauge - 150mm Stainless Steel Case

Conventional subsea pressure gauges rely on the strength of the case and window to withstand the external pressure of the water in much the same way as a submarine. The Ashford Instrumentation range of compensated subsea pressure gauges work on a dif... VIEW MORE
Compensated Subsea Pressure Gauge - 250mm Stainless Steel Case Compensated Subsea Pressure Gauge - 250mm Stainless Steel Case

Conventional subsea pressure gauges rely on the strength of the case and window to withstand the external pressure of the water in much the same way as a submarine. The Ashford Instrumentation range of compensated subsea pressure gauges work on a dif... VIEW MORE
Subsea Pressure Gauge - 63mm Diameter 450m Gauge Subsea Pressure Gauge - 63mm Diameter 450m Gauge

63mm diameter bourdon tube subsea pressure gauge suitable for depths to 450m. The compact and robust design of this gauge means it is ideal for for use on diving bells and caissons since it can be used inside or outside the bell. Manufactured wi... VIEW MORE
Subsea Pressure Gauge - 63mm Premium Subsea 1200m Gauge Subsea Pressure Gauge - 63mm Premium Subsea 1200m Gauge

63mm diameter premuim subsea bourdon tube pressure gauge suitable for submerged depths to 1200m. The case of this gauge is machined from a solid stainless steel block and is capable of withstanding an external pressure of 120 bar. The bourdon tube de... VIEW MORE
Subsea Pressure Gauge - 63mm Premium Subsea 2500m Gauge Subsea Pressure Gauge - 63mm Premium Subsea 2500m Gauge

63mm diameter premuim subsea bourdon tube pressure gauge suitable for submerged depths to 1200m. The case of this gauge is machined from a solid stainless steel block and is capable of withstanding an external pressure of 120 bar. The bourdon tube de... VIEW MORE
Subsea Pressure Gauge - 100mm Premium Subsea 900m Gauge Subsea Pressure Gauge - 100mm Premium Subsea 900m Gauge

100mm diameter premiuml subsea pressure gauge suitable for maximum submerged depths of either 900m or 200m depending on model selected. The case of this gauge is machined from a solid stainless steel block and is capable of withstanding an... VIEW MORE
Subsea Pressure Gauge - 100mm Premium Subsea 4000m Subsea Pressure Gauge - 100mm Premium Subsea 4000m "Ultra Deep" Gauge

Nominal 100mm diameter premuim subsea bourdon tube pressure gauge suitable for submerged depths.The case of this gauge is machined from a solid stainless steel block and is capable of withstanding an external pressure of 400 bar. The bourdon tube des... VIEW MORE
Subsea Pressure Gauge - 160mm Premium Subsea 450m Gauge Subsea Pressure Gauge - 160mm Premium Subsea 450m Gauge

160mm diameter premuim subsea bourdon tube pressure gauge suitable for submerged depths to 450m. The case of this gauge is machined from a solid stainless steel block and is capable of withstanding an external pressure of 45 bar. The bourdon tube des... VIEW MORE
Subsea Differential Pressure Gauge - 160mm Premium Subsea 450m Gauge Subsea Differential Pressure Gauge - 160mm Premium Subsea 450m Gauge

Subsea differential pressure gauge 160mm diameter suitable for submerged depths to 450m. The case of this gauge is fabricated from stainless steel and is capable of withstanding an external pressure of 45 bar (450 Metres Sea Water) and conf... VIEW MORE
Diaphragm Seal Subsea Pressure Gauge - 100mm Premium Subsea 900m Gauge Diaphragm Seal Subsea Pressure Gauge - 100mm Premium Subsea 900m Gauge

100mm diameter premium  subsea pressure gauge suitable for submerged depths to 900m with diaphragm seal. Designed for applications where the process media would solidify, block or clog a conventional bourdon tube style pressure gauge such a... VIEW MORE
Subsea Thermometer - 63mm, 100mm & 160mm Diameter Subsea Thermometer - 63mm, 100mm & 160mm Diameter

63mm, 100mm and 160mm diameter subsea gas filled system indicating thermometers for submerged depths down to 2000 meters. There is an option on the 100mm diameter for a depth of 4000m but this must be specified at time of enquiry. The case of this th... VIEW MORE
Subsea Depth Transmitter - 1000 Meters Depth Subsea Depth Transmitter - 1000 Meters Depth

Subsea depth transmitter designed for such applications as diver depth or ROV depth measurement down to 3000 meters seawater subsea. Body material Duplex Stainless Steel as standard. The pressure transmitter can be attached to the diver umbilica... VIEW MORE
Depth Transmitter - 250 Meters Depth Depth Transmitter - 250 Meters Depth

Depth transmitter for continuous level measurement in vented tanks & vessels or in open water courses such as rivers, weirs, lakes, reservoirs and seawater. The standard version is supplied with vented cable to enable the transmitter to be vented... VIEW MORE
Bail Out Gauge - 50mm TEMPORARILY UNAVAILABLE Bail Out Gauge - 50mm TEMPORARILY UNAVAILABLE

PLEASE NOTE THAT THIS PRODUCT IS TEMPORARILY UNAVAILABLE. . 50mm bail out subsea tank contacts gauge for diver breathing tank contents measurement. This specially designed compact subsea gauge offers some significant advantages over its nearest ... VIEW MORE
Submersible Pressure Transmitter For Liquid Level - Submersible Pressure Transmitter For Liquid Level -

AISLS submersible pressure transmitter has been developed with an isolated diaphragm silicon piezo-resistive sensing element housed in a robust stainless steel housing for liquid level a ... VIEW MORE