{"product_id":"halcyon-master-diver-spg","title":"Halcyon Master \u0026 Stage SPG – Nickel-Plated Brass Scuba Pressure Gauges","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHalcyon Master and Stage SPGs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are precision analog pressure gauges built for divers who demand dependable, easy-to-read gas monitoring in demanding environments. Designed around an industrial-strength internal spring and durable metal construction, these gauges provide reliable performance for recreational, technical, cave, wreck, and decompression diving.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMaster SPG\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is Halcyon's full-size primary pressure gauge, designed for maximum readability and rugged durability. Its substantial body and large luminescent face make it an excellent choice for primary back-gas monitoring, especially in cold water, low visibility, or overhead environments. The gauge is housed in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enickel-plated brass\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and protected by a durable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emineral glass lens\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eStage SPG\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e offers the same streamlined Halcyon approach in a smaller, lighter package. Its reduced size and weight make it ideal for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estage and decompression cylinders\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, helping keep those bottles balanced and easy to manage. The Stage SPG uses a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enickel-plated brass body\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eacrylic lens\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to reduce overall weight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBoth models are designed for divers who value simple, robust analog instrumentation and clear pressure information at a glance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePrecision analog submersible pressure gauges\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIndustrial-strength internal spring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHighly visible luminescent gauge face\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDurable nickel-plated brass construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReliable operation in demanding dive environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaster SPG optimized for primary gas monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStage SPG optimized for stage and deco cylinders\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact Stage SPG helps reduce cylinder imbalance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent for recreational and technical diving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGenuine Halcyon diving equipment\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eAvailable Models:\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMaster SPG\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFull-size primary pressure gauge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge, easy-to-read display\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNickel-plated brass housing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMineral glass lens\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCalibrated for PSI and BAR\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eStage SPG\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSmaller and lighter than the Master SPG\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for stage and decompression cylinders\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNickel-plated brass housing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAcrylic lens\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLightweight design helps balance stage bottles\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eMaster SPG\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePressure Scale\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBAR: approximately 0–350 \/ 360\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePSI: approximately 0–5000 \/ 5500\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBody\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNickel-Plated Brass\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLens\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMineral Glass\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDisplay\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLuminescent Analog Face\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePrimary Gas Pressure Monitoring\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStage SPG\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCompact Analog SPG\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBody\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNickel-Plated Brass\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLens\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAcrylic\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eStage and Decompression Cylinder Monitoring\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDesign\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReduced Size and Weight\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHalcyon\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eIdeal For:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRecreational scuba diving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTechnical diving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCave diving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWreck diving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStage bottle configurations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDecompression diving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBack-gas monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCold-water diving\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOverhead environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDivers who prefer analog instrumentation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Halcyon","offers":[{"title":"Default Title","offer_id":45824714211550,"sku":"61.030.013","price":114.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/2092\/4638\/files\/HalcyonMaster_StageSPG_Nickel-PlatedBrassScubaPressureGauges.png?v=1786478831","url":"https:\/\/orangecountydivers.com\/fr\/products\/halcyon-master-diver-spg","provider":"Orange County Divers","version":"1.0","type":"link"}