Gauges

OTG Technical Scuba Diving Inline Second Stage Regulator Adjustment Tool is used for fine tuning 2nd stages regulator. The tool has a built-in pressure gauge which allows the intermediate pressure (IP) of the first stage to be checked and adjusted if necessary. Then connect the tool inline between the 2nd stage regulator and the LP hose, allowing adjustments while the hose is pressurized. The flat slot drive of the tool will be inserted in to the 2nd stage to allow the orifice to be turned to find exactly the proper adjustment for the 2nd stage air inlet. It's fit for most modern designs 2nd stage regulator which is adjust by flat slot drive.

OTG Scuba Diving Computer Gauge to High Pressure Port Thread Adapter is for diver to install between the high pressure port / hose (7/16"-20-UNF) and dive computer port (3/8"-24-UNF). This adapter is made of Marine Chrome Plated Brass and is completed 40% Nitrox ready. Please note that this adapter must be used with HP air spool together. Our price is based on thread adapter only, not included air spool.

OTG Scuba Diving Underwater Bungee Mount Compass Gauge is a robust and accurate compass for underwater navigation that ensures accuracy and durability for a long time. This compass comes with a bungee mount so that divers can easy to wear even for drysuit. The magnetic plate moves extensively in all direction, so that reading is accurate even if the instrument is not held perfectly flat level. The compass face is luminous and divided into 10° intervals. Reading can take place by looking at the instrument from above, or more easily, through a special reading window that enables more precise tracking of the compass. On the top there is a red line. A swivel trigger lunette with a double pointer means the direction can be memorized.

(Please note that our compass is for Northern Hemisphere.)

OTG Scuba Diving Digital Differential Pressure Gauge is for divers to check and setup the cracking effort (inhalation effort) of the 2nd stages regulator. The measure range is from -55.40 inH2O to +55.40 inH2O and the resolution is 0.01 inH2O. Also, this gauge have totally 11 units which can be select such as inH2O, psi, bar, mbar, kpa, inHg, mmhg, ozin, ftH2O, cmH2O etc... It is an easy operation and clear reading gauge for every technician.

OTG Scuba Diving Pony Bottle Pressure Gauge to High Pressure Hose Adapter is for divers to attach their mini SPG to a standard high pressure hose. The 7/16 inch female end screws into a mini SPG, and the other end of the adapter is to connect to a standard high pressure hose with an airspool. It's also great for use with air integrated transmitters. This adapter is made by marine chrome plated brass and is completed 40% Nitrox ready. Price is included 1pc. x airspool with Viton o-ring.

OTG Scuba Diving Tank Pressure Checker is for divers to check their tank pressure before gear set-up. The reading range of this checker is from 0 - 5,000 psi (0 - 350 bars). The diameter size of the pressure gauge is 2" (not included the rubber boot) and it is easy to read. The pressure gauge is covered by rubber boot for more security and the material of this checker is marine grade chrome plated brass. It has a bleed screw valve for easy to use and come with a rubber dust protector cap.

OTG Tank Equalizer Din to Din Transfill Hose is design for divers to transfer high pressure gas to equalize betweeen two scuba cylinders. Our value prices Nitrox Ready transfill hose is (60 inches / 1.5 meters) long with standard DIN fitting on both sides which can fit for both 200 and 300 bar standard Din scuba cylinder valves. The 2 inches pressure gauge provides dual readings in both imperial and metric. The gauge is also covered by rubber boot for better security and the reading range is from 0-5,000 psi (0-350 bars). The material of the Din fitting is marine grade chrome plated brass and the working pressure of the high pressure hose is 5,000psi. It has a bleed screw valve for easy to use and comes with a Din thread plastic protector cap.

OTG Scuba Diving Neoprene Pressure Gauge Protection Pouch is an idea to protect your pressure gauge during travel or transport your gear from point to point after setting. This pouch can fit pressure gauge up to 6cm diameter.

OTG Scuba Diving Neoprene Dive Computer Protection Storage Multi Purpose Pouch is perfect for storing dive computer. The pouch size is 4.5 inch tall and 5.5 inch wide. Of course, it can also be used to keep and protect some small items such as GoPro, Camera lens, service kits, tools or any item you want to keep in this neoprene pouch.