Mares Instrument SPG52 - 15CM Miflex
In stock — ships from Irvine, CA
This item is currently on backorder. Order now to reserve yours, and we will ship it as soon as it is back in stock.
Mares Instrument SPG52 - 15CM Miflex - BAR is backordered and will ship as soon as it is back in stock.
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Product Information
The Mares Instrument SPG52 - 15cm Miflex is a submersible pressure gauge built for technical diving, supplied with a 15 cm Miflex hose and offered with a choice of BAR or PSI reading. Double welding on the brass housing lets it be used by technical divers without a protective cover, and a beryllium copper Bourdon tube mechanism is designed to keep its calibration even after a strong impact.
Who it is for
This gauge is aimed at technical divers who run sidemount or stage configurations and want a simple, single-reading pressure gauge on a short hose. Mares describes it as reliable enough to become an indispensable tool in technical diving, and it is a common pick among divers who follow the DIR training philosophy for its straightforward, no-frills design.
Key details
- Single reading pressure gauge with a range of 0 to 360 bar (0 to 5,000 psi).
- 15 cm Miflex hose in black carbon/titanium, sized for sidemount and stage bottle use.
- Brass housing with double mirror chrome plating and double welding, allowing use without a protective cover.
- Bourdon tube mechanism in beryllium copper for impact-resistant calibration.
- Tempered glass lens and a luminescent dial for low-visibility reading.
- EN 250 certified.
Compatibility and sizing
The gauge is available in two reading options: BAR (SKU 414601BAR) or PSI (SKU 414601PSI). The BAR and PSI readings are sold as separate SKUs, 414601BAR and 414601PSI, so choose the units you dive with.
DiveCatalog.com is an authorized Mares dealer and has been a dive shop in Irvine, California since 2003. Call 888-701-4017 or chat with us if you have questions about hose length, BAR versus PSI, or fitting this gauge to your configuration.
- Double welded housing lets the gauge be used by technical divers without a protective cover.
- 15 cm Miflex hose included, in black carbon/titanium, sized for sidemount and stage bottle setups.
- Beryllium copper Bourdon tube mechanism is designed to hold its calibration even after a strong impact.
- Single reading pressure range of 0 to 360 bar (0 to 5,000 psi).
- Tempered glass lens for durability.
- Luminescent dial for easier reading in low light.
- Brass housing with double mirror chrome plating for corrosion resistance and appearance.
- EN 250 certified instrument.
- Available in BAR or PSI reading options to match your preferred units.
- Favored by technical divers, including many who follow the DIR training philosophy, for its simplicity.
| Brand | Mares |
| Model | SPG52 with 15 cm Miflex hose |
| Product Type | Submersible pressure gauge |
| Range | 0 to 360 bar / 0 to 5,000 psi |
| Reading | Single |
| Mechanism | Beryllium copper Bourdon tube, impact-resistant calibration |
| Housing | Brass with double mirror chrome plating, double welded |
| Lens | Tempered glass |
| Dial | Luminescent |
| Hose | 15 cm Miflex, black carbon/titanium |
| Certification | EN 250 |
| Pressure Units | BAR or PSI (selectable option) |
| MPN | 414601BAR |
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
What is the difference between the BAR and PSI versions of the Mares SPG52 15cm Miflex gauge?
The two versions read the same 0 to 360 bar (0 to 5,000 psi) pressure range but display it in different units. The BAR version (SKU 414601BAR) shows pressure in bar, and the PSI version (SKU 414601PSI) shows it in psi. Pick whichever unit matches how you were trained, since BAR and PSI are ordered as separate gauge SKUs.
Can this gauge be used with a 100% oxygen fill?
This particular 15 cm Miflex version is not the oxygen-service model. Mares sells a separate SPG52 - 15cm Miflex Oxygen gauge specifically for use with 100% oxygen, so if you plan to monitor an oxygen-rich or pure oxygen cylinder, you should choose that dedicated oxygen variant rather than this standard air gauge.
Is the Mares SPG52 15cm Miflex suitable for sidemount or stage diving?
Yes, it is supplied with a short 15 cm Miflex hose that is sized for sidemount configurations and stage bottles used in technical diving. The short hose keeps the gauge close to the cylinder valve, which suits sidemount configurations and stage bottles in technical diving.
Does this gauge need a rubber protective boot?
No. The housing uses double welding, which Mares states allows the gauge to be used by technical divers without a protective cover. The brass housing also has double mirror chrome plating for added corrosion resistance, so it is designed to hold up to exposed use without an add-on boot.
