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Submersible Pressure Gauges (SPGs)

Pricelist  

Many experienced divers feel instrument consoles make frequent monitoring of depth/time/deco status too inconvenient and add unnecessary bulk. They prefer to use a standalone SPG only and wrist mount most of their other instruments. We offer several sizes of SPG to help you manage your gas.

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> Computer and Analog Consoles

The Dive Rite Computer Console includes the popular Dive Rite NiTek Trio dive computer that fits in a streamlined housing together with the Dive Rite compact SPG.

The Dive Rite Analog Console includes accurate 220-foot, oil-filled depth gauge with a max-depth indicator that fits in a low-profile boot together with Dive Rite's compact SPG. A separate hose mount compass is also available.


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> DR Submersible Pressure Gauge w/Hose

1.5-Inch Submersible Pressure Gauge in BAR Dive Rite SPG's are graduated in your choice of PSI (100-psi increments) or BAR (10-Bar increments) and are Nitrox Ready. The luminescent dial glows-in-the-dark, making it easier to read in low light situations. The SPGs are fully assembled with a removable boot, HP hose and spool. The compact SPG has a 1.5-inch scratch and impact resistant polycarbonate face and features a chrome-plated brass housing with a Bourdon tube mechanism providing the greatest degree of accuracy and reliability. The SPG's are both available with 32-inch hose for use as a primary SPG, and the compact SPG is also available with a 6-inch hose for use with stage and deco bottles.


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> Submersible Pressure Gauge (SPG), Naked

Side View of SPGs Many experienced divers prefer their SPG's to have an uncluttered face with easy to read graduations and without a boot. Coloring behind the graduations, typical of most designs, can make it more difficult to read, especially in the 0-500 psi range. However, the clean design of our naked gauges is very easy to read across the entire range. These rugged quality SPG's are calibrated to 5000-psi in 100-psi increments (Imperial) or 360-Bar in 10-bar increments (Metric). They are configured as just the bare gauge in three different face and case sizes, with no boot and no hose. They feature a chrome-plated all brass housing and a copper beryllium coiled Bourdon tube mechanism with rack and pinion movement providing the greatest degree of accuracy and reliability. The luminescent dial glows-in-the-dark, making it easier to read in low light situations. All these pressure gauges are suitable for oxygen service.

Spool Available in three sizes: 2.5-inch diameter with 2-inch face, 2.0-inch diameter with 1.75-inch face, and 1.75-inch diameter with 1.5-inch face. The two larger SPG's feature a tempered glass face and the thin SPG has a scratch and impact resistant polycarbonate face. Just add the HP hose (see below) in your choice of length along with a spool to make the custom SPG configurations preferred by experienced divers. Naked SPGs now include the Spool to mate the hose swivel to the gauge. Our spool also includes the two oxygen compatible O-rings. Note these popular gauges are sold under a variety of brand names such as Dive Rite and Highland, but are all manufactured by Termo in Italy.

Please be aware that if you shake the compact naked 1.5-inch face gauge, you will hear the sound of the internal spring contacting the body because it will not be muffled by the boot. The click sound is perfectly normal for all the 1.5-inch face gauges regardless of brand and in no way affects the performance of the gauge. The larger naked gauges, because they have a larger body do not make this sound.


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> Mini-SPG, 1-Inch Face

Mini-SPG and Adapter This miniature submersible pressure gauge (aka mini-spg, pony gauge, button gauge) screws directly into the standard-size high-pressure 7/16-inch port of the regulator first stage and does not require a hose or spool. Our version of the gauge is Nitrox Ready including a Viton O-ring and is rated up to 5000 psi in numbered 1000 psi increments with a color coded scale and polycarbonate face. Also available is a version which includes a separate high-pressure hose adapter and airspool that allows it to be screwed into swivel on the end of a high-pressure hose.

Mini-SPG Side View The 1-inch face is larger than most and relatively easy to read, but for any mini-SPG the indicator needle can be difficult to read underwater. Still, the mini-SPG works well for some applications with the benefit of no hose clutter. The mini-SPG is suitable for use with pony, inflation, and bailout bottles where you just need an indication to the nearest 1000 psi of "full," "partial," or "empty".


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SPG Floods

An SPG with water inside is rare and may just mean the SPG was defective, particularly if it is new. If an SPG that has been working is still working when flooded then most likely something broke the seal on the face, usually an impact. Impact damage is an unavoidable fact, particularly with naked SPG's and mini-SPG's used on stage, deco and bailout bottles. It's not serious, just replace the SPG. It's more of a concern to discover a non-working flooded SPG on a cylinder other than the primary. If the SPG is not working then the Bourdon tube might have ruptured and that is often because water entered the tube through a flooded first stage. Diving with stage, deco and bailout cylinders turned off is a common practice to prevent gas loss but the regulator must be charged with pressure before descending or it will flood. If the first stage floods, it should be serviced immediately.

Sometimes divers forget to charge, but in our experience the gas pressure was inadvertently drained before reaching depth. The second stage might accidently be purged while gearing up. Sometimes it purges from the force of entry and free flows until drained or just dribbles out during the descent, which was one of the original reasons for leaving the valve off. If practical, make a habit of charging the regulator again during descent. An alternative on emergency bottles is to leave the valve open but place an inline slide cutoff between the hose and the second stage with an OPV on the first stage.



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$29.95

DR Mini-SPG, 1-Inch Face in PSI

Mini-SPG's Relative Size This miniature submersible pressure gauge (aka mini-spg, pony gauge, button gauge) screws directly into the standard-size high-pressure 7/16-inch port of the regulator first stage and does not require a hose or spool. Our version of the gauge is Nitrox Ready including a Viton O-ring and is rated up to 5000 psi in numbered 1000 psi increments with a color coded scale and polycarbonate face.

The 1-inch face is larger than most and includes a 'color coded' dial face. Still, the mini-SPG works well for some applications with the benefit of no hose clutter. The mini-SPG is suitable for use with pony, inflation, and bailout bottles where you just need an 'at-a-glance' indication to the nearest 1000 psi of "full," "partial," or "empty".


Standard High Pressure Hose - 7/16-Inch Female End+ Enlarge  |   Pricelist $

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> Standard High Pressure Hoses

Our high-pressure hose is reinforced using double braided Kevlar with a maximum working pressure of 5000 psi and a minimum burst pressure of 20,000 psi. Fittings are made from quality chrome-plated brass. The typical high-pressure hose is a 7/16-inch male at the end that screws into the first stage HP port and a 7/16-inch female at the end that screws on to the SPG. Length is measured in inches, from end to end of hose, including the fittings and their threads.


Miflex XTREME Diving Hoses

Comparison of Standard and Miflex XTREME Diving Hoses The Miflex XTREME high performance range of diving hoses are receiving a great deal of interest from experienced sport and technical divers. A team of Miflex engineers analysed the weak points of traditional diving hoses and developed the XTREME high performance range in cooperation with expert divers for superior in-depth performance. XTREME hoses feature an external nylon safety braiding designed to resist the snags and abrasions that divers can often encounter. Unlike traditional hoses, the XTREME nylon safety braiding is not simply pushed over the hose fittings. Instead the braiding is tightly bound and fixed to the hose core by stainless steel or brass sleeves. The result is performance and durability in extreme situations. All Miflex Hoses are factory cleaned and tested for oxygen service.

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> Miflex High Pressure Hoses

The new Miflex HP hose with a 7/16-inch male at the end that screws into the first stage HP port and a 7/16-inch female at the end that screws on to the SPG. Available in a variety of lengths from 6-inches to 40-inches. Note these hoses are very thin and work very well with naked SPG's. However because they are thinner than normal HP hoses they are not a snug fit in gauge boots and consoles.


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Choosing the Best Primary SPG Hose Length

For most recreational divers, the common high-pressure hose length of 32 inches is long enough to be run under the left arm, across the chest and clipped off on the right shoulder D-ring. A few divers with a large chest, or who like to hold their instruments well out from their body when reading, require a longer hose length of 42 inches. Recently, some recreational divers seeking very streamlined configurations are routing their HP-hose with a compact SPG over their left shoulder in the same manner they route their BC hose and those divers are using HP-hose lengths as short as 24 inches and even 21 inches.

Technical divers almost always carry a standalone SPG clipped off to the left waist D-ring. For use with double cylinder configurations, the typical HP-hose length is 24 inches although some divers find that length slightly too short. It's almost always too short when used with a single cylinder configuration. Many divers clipping to their waist D-ring find a HP-hose length of 26 inches to work well with both singles and doubles. Cave and wreck divers also remove the SPG boot for the same reason they remove the cylinder boot, because the boot surfaces have been known to ratchet divers into tight spots making extraction difficult.



These Products Are Nitrox-Ready

Dive Gear Express offers diving products labeled Nitrox Ready, whose oxygen-compatible components are free of hydrocarbons and other contaminants. With Dive Gear Express, you don't have to make expensive aftermarket alterations to use oxygen-rich gas mixtures.

Click Here to read What Does Nitrox-Ready Mean?

Pricing for Submersible Pressure Gauges

Image Item SKU Description Ship Status Everyday
Great Price

  Computer and Analog Consoles  
Analog Console: SPG / Max Depth Gauge & 32-Inch Hose  DR-RG2742 Analog Console: SPG / Max Depth Gauge & 32-Inch Hose In Stock $169.15
Computer Console: SPG / NiTek Trio & 32-Inch Hose  DR-CO8185 Computer Console: SPG / NiTek Trio & 32-Inch Hose In Stock $659.00
  Gauges with Hoses  
DR SPG, 1.5-inch face in PSI, w/boot and 32-Inch Hose  DR-RG2740 DR SPG, 1.5-inch face in PSI, w/boot and 32-Inch Hose In Stock $91.95
DR SPG, 1.5-inch face in BAR, w/boot and 32-Inch Hose  DR-RG2740-BAR DR SPG, 1.5-inch face in BAR, w/boot and 32-Inch Hose In Stock $91.95
DR SPG, 1.5-inch face in PSI, w/boot and 6-Inch Hose  DR-RG2740-6 DR SPG, 1.5-inch face in PSI, w/boot and 6-Inch Hose In Stock $91.95
DR SPG, 1.5-inch face in BAR, w/boot and 6-Inch Hose  DR-RG2740-BAR-6 DR SPG, 1.5-inch face in BAR, w/boot and 6-Inch Hose In Stock $91.95
  Gauges only  
Naked SPG, Thin 1.5-inch face in PSI, no hose/no boot  FXPG15 Naked SPG, Thin 1.5-inch face in PSI, no hose/no boot In Stock $59.00
Naked SPG, Thin 1.5-inch face in BAR, no hose/no boot  FXPG15M Naked SPG, Thin 1.5-inch face in BAR, no hose/no boot In Stock $59.00
Naked SPG,  1.75-inch face (2-inch dia) in PSI, no hose/no boot  FXPG20 Naked SPG, 1.75-inch face (2-inch dia) in PSI, no hose/no boot In Stock $69.00
Naked SPG,  1.75-inch face (2-inch dia) in BAR, no hose/no boot  FXPG20M Naked SPG, 1.75-inch face (2-inch dia) in BAR, no hose/no boot In Stock $69.00
Naked SPG, 2.0-inch face (2.5-inch dia) in PSI, no hose/no boot  FXPG25 Naked SPG, 2.0-inch face (2.5-inch dia) in PSI, no hose/no boot In Stock $69.00
Naked SPG, 2.0-inch face (2.5-inch dia) in BAR, no hose/no boot  FXPG25M Naked SPG, 2.0-inch face (2.5-inch dia) in BAR, no hose/no boot In Stock $69.00
Mini-SPG, 1-Inch Face in PSI  FXPG1 Mini-SPG, 1-Inch Face in PSI In Stock $29.95
Mini-SPG, 1-Inch Face in BAR  FXPG1M Mini-SPG, 1-Inch Face in BAR On Order $29.95 Disabled
Mini-SPG w/hose adapter, 1-Inch Face in PSI  FXMPG Mini-SPG w/hose adapter, 1-Inch Face in PSI In Stock $45.95
Mini-SPG w/hose adapter, 1-Inch Face in BAR  FXMPGB Mini-SPG w/hose adapter, 1-Inch Face in BAR On Order $45.95 Disabled
  SPG Components  
Air Spool w/ O-rings for SPG Swivel  DR-RG27AS Air Spool w/ O-rings for SPG Swivel In Stock $3.15
Viton 003 O-ring, brown, 75 duro, package of five (SPG spool)  FX-V568A -003 Viton 003 O-ring, brown, 75 duro, package of five (SPG spool) In Stock $3.00
  High-Pressure SPG Hoses  
High-Pressure Hose, 6-Inch  DR-HOHP6 High-Pressure Hose, 6-Inch In Stock $16.99
High-Pressure Hose, 9-Inch  DR-HOHP9 High-Pressure Hose, 9-Inch In Stock $16.99
High-Pressure Hose, 21-Inch  DR-HOHP21 High-Pressure Hose, 21-Inch In Stock $18.59
High-Pressure Hose, 24-Inch  DR-HOHP24 High-Pressure Hose, 24-Inch In Stock $18.89
High-Pressure Hose, 26-Inch  DR-HOHP26 High-Pressure Hose, 26-Inch In Stock $18.99
High-Pressure Hose, 32-Inch  (standard on SPG)  DR-HOHP32 High-Pressure Hose, 32-Inch (standard on SPG) In Stock $20.49
High-Pressure Hose, 42-Inch  DR-HOHP42 High-Pressure Hose, 42-Inch In Stock $23.99
  Miflex High Pressure Hoses  
High Pressure Miflex XTREME Hose, 6-Inch, Black  XSS-MHP06-BK High Pressure Miflex XTREME Hose, 6-Inch, Black In Stock $36.00
High Pressure Miflex XTREME Hose, 24-Inch, Black  XSS-MHP24-BK High Pressure Miflex XTREME Hose, 24-Inch, Black In Stock $39.00
High Pressure Miflex XTREME Hose, 32-Inch, Black  XSS-MHP32-BK High Pressure Miflex XTREME Hose, 32-Inch, Black In Stock $42.00
High Pressure Miflex XTREME Hose, 36-Inch, Black  XSS-MHP36-BK High Pressure Miflex XTREME Hose, 36-Inch, Black In Stock $44.00
High Pressure Miflex XTREME Hose, 40-Inch, Black  XSS-MHP40-BK High Pressure Miflex XTREME Hose, 40-Inch, Black In Stock $45.00

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