Specialist Instrumentation for Marine & Subsea applications

Marine & Subsea Products from Ashford Instrumentation

The Ashford Instrumentation Diving, Marine & Subsea Division has established a specialist product range which is arguably the most comprehensive in the world.
We specialise in the supply of Depth, Pneumo, Caisson & Subsea Instrumentation. Our comprehensive stock and short lead times provide customers with the support they require when the situation demands.

PRODUCT IMAGE

PRODUCT DESCRIPTION

	Air Operated Portable Calibration Laboratory - Commercial Diving The Ashford Instrumentation Portable Calibration Laboratory is ideal for the commercial diving market and is suitable for calibrating pneumo and pressure gauges from 10 Meters Sea Water to ... VIEW MORE

	Test Gauges 0.25% Accuracy - 160mm, 200mm, 250mm & 300mm 160mm, 200mm, 250mm or 300mm diameter class 0.25 bourdon tube pressure gauge designed for testing and calibration of lower class pressure gauges. These instruments are suitable for all gaseous and liquid media that are not highly viscous and that wil... VIEW MORE

	Deadweight Tester - 1400 Bar Oil operated Deadweight Testers are the basic primary standard for the accurate measurement of pressure. These are typically used for the calibration of numerous pressure instruments such as pressure gauges and transmitters, pressure switches and rel... VIEW MORE

	Precision High Accuracy Pressure Transmitter (0.1% FS) The Ashford Instrumentation AI-331/3 Series precision high accuracy pressure transmitter with an accuracy of 0.1% FS is suitable for gas, vapour and liquid applications. Ideally suited for calibration laboratories, test laboratories, medical &a... VIEW MORE

	Pressure Gauge Pointer Puller - 3 Piece Set High quality precision pointer puller for the careful removal of pressure gauge pointers. This instrument is ideal for calibration laboratories. The design allows the tool to slip under the pointer and sit around the pointer spindle, the pointer can ... VIEW MORE

	Comparator Pump - 1000 Bar Distilled Water Bench mounted comparator pumps provide a stable source of pressure when calibrating pressure gauges or pressure transmitters against a known reference source such as a 0.25% accuracy bourdon tube test gauge. The test instrument and reference instrume... VIEW MORE

	Hand-Held Portable Hydraulic Pressure Test Pumps CPP700-H The Ashford Instrumentation CPP700-H Hydraulic Hand-Held Test Pump is ideal for testing, adjustment and calibration of all types of pressure measuring instruments in laboratories, workshops or on-site. Special features include ergonomic han... VIEW MORE

	Hand-Held Portable Pneumatic Pressure / Vacuum Test Pumps CPP30 The Ashford Instrumentation CPP30 Pneumatic Hand-Held Test Pump is ideal for testing, adjustment and calibration of all types of pressure measuring instruments in laboratories, workshops or on-site. Special features include ergonomic handling, p... VIEW MORE

	7", 8.5", 12" & 16" Precision Test Gauge - Accuracy 0.10% High Precision Test Gauge with accuracy of 0.10 of span in diameters 7", 8.5", 12" and 16". The dial face uses 3D Instruments anti-glare soft green colour with anti-parallax mirror band and white outer ring for maximum user resolution. Ranges to 1000... VIEW MORE

	SPMK 700 Master Digital Pressure Test Gauge - Accuracy 0.02% FS With advanced microprocessor technology and high-tech silicon pressure sensors, the SPMK 700 series digital pressure gauges provide an accurate, reliable, and economic solution for a wide range of pressure measurement and test applications.With press... VIEW MORE

	Mini Caisson Gauge - 63mm Subsea 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. Now manufactured in... VIEW MORE

	Tunnelling Caisson Gauge - Medical Lock 1% 160mm Diameter Standard Design The 160mm diameter Tunnelling Caisson Gauge is an industrial grade derivative of our more accurate Standard Caisson Gauge used within hyperbaric and decompression chambers for measuring pressure within the chamber but with a 1% accuracy cl... VIEW MORE

	Caisson Gauge - 4.5" Plastic Case Premium Design 4.5" diameter premium design black acetal plastic case caisson pressure gauge for mounting inside hyperbaric chambers, caissons, living chambers & decompression chambers to measure the simulated depth (pressure) inside the chamber. This design of... VIEW MORE

	Caisson Gauge - 6" Plastic Case Premium Design 6" diameter premium design black acetal plastic case caisson pressure gauge for mounting inside hyperbaric chambers, caissons, living chambers & decompression chambers to measure the simulated depth (pressure) inside the chamber. This design of g... VIEW MORE

	Caisson Gauge - 8.5" Plastic Case Premium Design 8.5" diameter premium design black acetal plastic case caisson pressure gauge for mounting inside hyperbaric chambers, caissons, living chambers & decompression chambers to measure the simulated depth (pressure) inside the chamber. This design of... VIEW MORE

	Tunnelling Caisson Gauge - 6" Plastic Case Premium Design 6" diameter premium design black acetal plastic case tunnelling caisson pressure gauge for mounting inside pressurised tunnel boring machine cabs or hyperbaric chambers and living chambers to measure the pressure within the chamber. This design of ga... VIEW MORE

	"Ported To Atmosphere" Caisson Gauge - 160mm Diameter Waterproof Case 160mm diameter caisson gauge designed to have the internal reference chamber ported outside the hyperbaric chamber to atmospheric. This gives potentially greater accuracy than a conventional caisson gauge as the balance reference chamber is alw... VIEW MORE

	Caisson Gauge - 8.5" Standard Design Plastic Case abc123p align="left"abc456abc123font face="Arial" size="2"abc456The 8.5" diameter standard caisson gauge for mounting inside hyperbaric chambers, caissons, living chambers & decompression chambers is used for measuring simulated depth (pressure)... VIEW MORE

	Caisson Gauge - 160mm Stainless Steel Case Premium Design 160mm diameter premium design caisson pressure gauge for mounting inside hyperbaric chambers, caissons, living chambers & decompression chambers; used for measuring the simulated depth (pressure) inside the chamber or used to measure the pressure... VIEW MORE

	"CAISSUB" Wet Area Caisson Gauge - 160mm Diameter Waterproof Case 160mm diameter "Caissub" premium design caisson pressure gauge for mounting inside wet bells or other applications where the gauge is likely to be splashed or submerged in water. This gauge is used to measure the atmospheric pressure within the ... VIEW MORE

	Caisson Gauge - 6" Standard Design The 6" diameter standard caisson gauge for mounting inside hyperbaric chambers, caissons, living chambers & decompression chambers is used for measuring simulated depth (pressure) within the chamber. The gauge is designed to be surface mounted wi... VIEW MORE

	Subsea Monitoring / Pumping Pressure Gauge - 100mm Diameter 100mm dial bourdon tube pressure gauge for monitoring subsea applications where the head of sea water needs to be taken into account. This instrument features vacuum scales with ranges beyond the conventional -1 Bar Vacuum. Under normal circumst... VIEW MORE

	Variable Area Flowmeter - VAF120 Air VAF120 Air Series Variable Area Flow Meters are suitable for measuring the instantaneous flow rate of virtually any process gas. The operating principle of the variable area flow meter is simple to understand: the height within the tapered flow ... VIEW MORE

	Variable Area Flowmeter - VAF120 Liquid VAF120 Liquid Series Variable Area Flow Meters are suitable for measuring the instantaneous flow rate of virtually any process liquid. The operating principle of the variable area flow meter is simple to understand: the height within the tapered flow... VIEW MORE

	Variable Area Flowmeter - VAF83 Air VAF83 Air Series Variable Area Flow Meters are suitable for measuring the instantaneous flow rate of virtually any gas. The operating principle of the variable area flow meter is simple to understand: the height within the tapered flow tube atta... VIEW MORE

	Variable Area Flowmeter - VAF83 Liquid VAF83 Liquid Series Variable Area Flow Meters are suitable for measuring the instantaneous flow rate of virtually any process liquid. The operating principle of the variable area flow meter is simple to understand: the height within the tapered flow ... VIEW MORE

	63mm Oxygen "S3" Full Safety Pattern Diver Panel Gauge 63mm diameter EN837-1 S3 oxygen use full safety pattern bourdon tube pressure gauge designed for commercial diving companies operating within Europe wishing to comply fully with all the the safety guidelines of the European Standards EN 837 - 1 relat... VIEW MORE

	0.5% Accuracy Pressure Transmitter With Germanischer Lloyd (GL) Approval The PFType21GL Series 0.5% accuracy compact pressure transmitter with Germanischer Lloyd (GL) Approval for pneumatic and hydraulic applications found in marine and shipping environments. This versatile transmitter is compliant with all relevant... VIEW MORE

	0.25% Accuracy Pressure Transmitter with Germanischer Lloyd (GL) & Det Norske Veritas (DNV) Approval The DMS99 series is a 0.25% accuracy fixed range pressure transmitter with Germanischer Lloyd (GL) & Det Norske Veritas (DNV) Approved for application in marine environments. This product has been used in conjunction with our 144mm X 72... VIEW MORE

	Colour Coded 63mm "S2" Diver Panel Gauge - Back Entry Panel Mount The 63mm EN837-1 S2 compliant degreased bourdon tube pressure gauge suitable for oxygen enriched diver breathing systems can now be supplied with coloured plastic identification rings to help identify the system they are monitoring. The rings ar... VIEW MORE

	100mm Oxygen "S3" Full Safety Pattern Diver Panel Gauge - Panel Mount Clamp Fixing 100mm diameter oxygen use full safety pattern bourdon tube pressure gauge designed for commercial diving companies operating within Europe wishing to comply fully with all the the safety guidelines of the European Standards EN 837 - 1 relating to pre... VIEW MORE

	Caisson Chamber Data Logger - Temperature & Humidity TheThermaData HTD humidity logger / data logger is a portable humidity logger with 10mm LCD display that measures and record both relative humidity (% RH) and temperature over the range of -20 to 85°C and 0 to 100% RH. It is ideal for use is all type... VIEW MORE

	63mm Degreased "S2" Diver Panel Gauge - Back Entry Panel Mount 63mm EN837-1 S2 compliant degreased bourdon tube pressure gauge suitable for oxygen enriched diver breathing systems.This gauge conforms to the IMCA (International Marine Contractors Association) Diving Division Detailed Sheet Number 19 Life Support ... VIEW MORE

	96mm X 96mm Square Pressure Gauge Square case pressure gauges are available in case sizes 72mm X 72mm, 96mm X 96mm, 44mm X 144mm & 192 X 192mm for panel mounting. Featuring a black glass fibre reinforced case, wetted parts are available in brass for the ... VIEW MORE

	100mm Oxygen "S3" Full Safety Pattern Diver Panel Gauge - 3-Hole Front Flange 100mm oxygen use full safety pattern bourdon tube pressure guage designed for commercial diving companies operating within Europe wishing to comply fully with all the the safety guidelines of the European Standards EN 837 - 1 relating to pressure gau... VIEW MORE

	63mm Standard Diver Panel Gauge 63mm bourdon tube pressure gauge suitable for standard diver breathing systems. This gauge conforms to the IMCA (International Marine Contractors Association) Diving Division Detailed Sheet Number 19 Life Support Gauges as per the IMCA Code of ... VIEW MORE

	Digital Display LCD - Digital Panel Display Loop Powered 48mm (H) X 96mm (W) X 80mm (D) Digital "pneumo gauge" panel display with 4-digit LED programmable measuring range featuring 32mm high digits in a 144 X 72mm display.The display features a large and easy to read display and has been used very successfully as an alternative to conv... VIEW MORE

	Safety Relief Valve - Air & Inert Gases Safety relief valves are used for the safe discharge of air and inert gases to atmosphere. Manufactured from either a brass or stainless steel cylindrical body with stainles steel spring and viton disc, this safety relief valve is suitable for the pr... VIEW MORE

	DNV Approved Pressure Gauges Pressure gauges supplied with DNV GL Type Approval Certification. The gauge features a 304 stainless steel case with either brass or 316 stainless steel wetted parts and a DIN style bayonet lock removable bezel. These instruments are suitable for all... VIEW MORE

	Portable Chart Recorder - Bench Mounted (223mm or 300mm Charts) Portable chart recorder for pressure and temperature measurement housed within the world-renowned PELI ™ case which is manufactured from impact-resistant reinforced lightweight polyethylene . PELI ™ Case are water and air tight and manufactured from... VIEW MORE

	Chart Recorder - Wall Mounted (166mm, 223mm or 300mm Charts) Wall mounted chart recorder featuring a stainless steel cased can be manufactured with 1 or 2 channel inputs for temperature and / or pressure measurement. Chart sizes available are 166mm, 2223mm or 300mm with scales over 1 Hour, 4 Hours, 12 Hours, 2... VIEW MORE

	Wet Suit Warm Water Feed Thermometer Special compact design 63mm bimetal thermometer designed for mounting within a diving bell for the measurement of the warm water feed system to a diving suit during operation. The compact nature of this instrument is ideal for the confines of a small... VIEW MORE

	63mm Degreased "S2" Safety Pattern Pressure Gauge - Direct Mount Bottom Entry 63mm EN837-1 S2 compliant degreased bourdon tube pressure gauge suitable for oxygen enriched diver breathing systems.This gauge conforms to the IMCA (International Marine Contractors Association) Diving Division Detailed Sheet Number 19 LIfe Support ... VIEW MORE

	100mm Diameter Pneumo Depth Gauge - "Mini" Design The Ashford Instrumentation Ltd 4" (100mm) diameter stainless steel case mini pneumo gauge is typically used for diver depth monitoring or for measuring the pressure within a hyperbaric chamber. This premium design pneumo gauge is idea... VIEW MORE

	300mm (12") Diameter Pneumo Depth Gauge The Ashford Instrumentation Ltd 300mm (12") diameter Premium Pneumo Gauge is a precision pressure gauge used for diver depth monitoring or for measuring the pressure within a hyperbaric chamber. The Premium Pneumo Gauge features&n... VIEW MORE

	250mm (10") Diameter Pneumo Depth Gauge The Ashford Instrumentation Ltd 250mm (10") diameter Premium Pneumo Gauge is a precision pressure gauge used for diver depth monitoring or for measuring the pressure within a hyperbaric chamber. The Premium Pneumo Gauge features&n... VIEW MORE

	"Standard" Pneumo Depth Gauge - Breathing Air (Diameters 150mm to 300mm) The Ashford Instrumentation Ltd Standard ABS Plastic Case or Black Painted Steel Pneumo Gauge is a precision pressure gauge used for diver depth monitoring or for measuring the pressure within a hyperbaric chamber offering the ability ... VIEW MORE

	Digital Display LED - Digital Panel Display 144 X 72 X 120mm - Red or Green Digits Digital panel display with Red or Green 4-digit LED programmable measuring range featuring 13mm high digits in a 72 (H) X 144mm (W) X 100mm (D) display.This advanced digital display unit features current, voltage or millivolt measuring inputs an... VIEW MORE

	Standard LED Display - 48mm (H) X 96mm (W) X 72mm (D) Standard LED digital panel display with to 4-digit LCD programmable measuring range featuring 20 mm high digits in a 48 (H) X 96mm (W) X 72mm (D) display. This basic digital display unit features a single measuring input universally configurable... VIEW MORE

	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 and is a precision pressure gauge typica... VIEW MORE

	Fresh Water Pneumo Gauge 4.5", 6" & 8.5" ABS Plastic Case Pneumo Depth Gauge The Ashford Instrumentation Ltd 4.5, 6", 8" and 8.5"" diameter ABS plastic case multiport premium pneumo gauge is a precision pressure gauge typically used for diver depth monitoring or for measuring the pressure within a hyperbaric chamber... VIEW MORE

	ABS Plastic Case Therapeutic Gauge - 6" Diameter The Ashford Instrumentation Ltd 6" diameter ABS plastic case multiport premium therapeutic gauge is a precision pressure gauge typically used for medical applications within a therapeutic chamber. This premium therapeutic gauge f... VIEW MORE

	4.5" ABS Plastic Case Premium Pneumo Gauge The Ashford Instrumentation Ltd 4.5" diameter ABS plastic case multiport premium pneumo gauge is a precision pressure gauge typically used for diver depth monitoring or for measuring the pressure within a hyperbaric chamber. This Premi... VIEW MORE

	Marine Pressure Transmitter with Det Norske Veritas (DNV) Approval The Ashford Instrumentation DMS900 series fixed range pressure transmitter with Lloyds Register (LR), Det Norske Veritas (DNV), American Bureau of Shipping (ABS) and China Classification ... VIEW MORE

	"Pneumo Sport" Depth Gauge - For Breathing Air (Diameters 100mm to 300mm) The Ashford Instrumentation Ltd Pneumo Sport Gauge is a precision pressure gauge used for diver depth monitoring or for measuring the pressure within a hyperbaric chamber but manufactured without some of the pointer adjustment and saf... VIEW MORE

	Plastic Case Therapeutic Gauge - 4.5" Diameter The Ashford Instrumentation Ltd 4.5" diameter ABS plastic case multiport premium therapeutic gauge is a precision pressure gauge typically used for medical applications within a therapeutic chamber. This premium therapeutic gauge ... VIEW MORE

	Fresh Water Pneumo Depth Gauge 200mm (8"), 250mm (10") & 300mm (12") The Ashford Instrumentation Ltd 200mm, 250mm & 300mm diameter black painted steel case multiport premium pneumo gauge is a precision pressure gauge used for diver depth monitoring in fresh water or for measuring the pressure within a hy... VIEW MORE

	8" & 8.5" ABS Plastic Case Pneumo Depth Gauge The Ashford Instrumentation Ltd 8" diameter and 8.5" diameter ABS plastic case multiport premium pneumo gauge is a precision pressure gauge typically used for diver depth monitoring or for measuring the pressure within a hyperbaric chamber.... VIEW MORE

	6" ABS Plastic Case Pneumo Depth Gauge The Ashford Instrumentation Ltd 6" diameter ABS plastic case multiport premium pneumo gauge is a precision pressure gauge typically used for diver depth monitoring or for measuring the pressure within a hyperbaric chamber. This Premium... VIEW MORE

	Subsea Thermometer - 63mm, 100mm & 160mm Diameter The 100mm and 160mm diameter Ashford \|Instrumentation range of gas filled system thermometers are available in all standard temperature ranges up to 600C.The case is machined from a solid stainless steel block and is capable of withstanding very high... VIEW MORE

	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 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 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 - 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 - 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

	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

	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

	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 63mm diameter bourdon tube centre back subsea pressure gauge suitable for depths to 450m. Supplied as standard with a screwed panel mounting ring, the gauge can be universally mounted as direct mount back entry or panel mount front flange. The c... VIEW MORE

	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

	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

	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 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

	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

	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

	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

	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

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