{"product_id":"msa-bacharach-mgs-450-refrigerant-gas-fixed-detector","title":"MSA Bacharach MGS-450 Refrigerant Gas Fixed Detector","description":"\u003cp\u003e\u003cstrong\u003eMSA Bacharach MGS-450 — Intelligent Refrigerant Leak Detection for Commercial and Industrial HVAC\/R Systems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eMSA Bacharach MGS-450\u003c\/strong\u003e is a high-performance \u003cstrong\u003efixed-point gas detector\u003c\/strong\u003e engineered for continuous refrigerant leak monitoring in commercial and industrial refrigeration and HVAC systems. Supporting over 25 refrigerant types including the latest A2L low-GWP blends, the MGS-450 provides reliable, 24\/7 detection to safeguard personnel, equipment, and the environment.\u003c\/p\u003e\n\u003cp\u003eDesigned for seamless integration into building management systems (BMS), the MGS-450 delivers configurable analog and Modbus digital outputs, three user-configurable alarm relays, and Bluetooth connectivity via the MGS-400 mobile app. Its plug-and-play, pre-calibrated sensor modules simplify maintenance while temperature compensation minimises false alarms.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Refrigerant Coverage\u003c\/strong\u003e\u003cbr\u003eDetects over 25 refrigerant types including R-32, R-410A, R-1234yf, R-1234ze, R-454B, R-454C, R-22, R-290, R-404A, R-407C, R-448A, R-449A, R-450A, R-452A, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Sensor Modules\u003c\/strong\u003e\u003cbr\u003ePre-calibrated, temperature-compensated sensors replace without calibration gas — minimising downtime and maintenance cost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible System Integration\u003c\/strong\u003e\u003cbr\u003eConfigurable 4-20mA, 0-5V, 0-10V, 1-5V, or 2-10V analog output plus Modbus RTU via RS-485. Compatible with Bacharach MGS-408 controller and third-party BMS\/BAS systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth Mobile Connectivity\u003c\/strong\u003e\u003cbr\u003eConfigure and monitor wirelessly via the MGS-400 mobile app (Android and iOS).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Configurable Alarm Relays\u003c\/strong\u003e\u003cbr\u003eTwo alarm relays and one fault relay, all user-configurable for custom threshold and failsafe settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Environment Performance\u003c\/strong\u003e\u003cbr\u003eOperates reliably from -40°C to +50°C — ideal for cold rooms, freezers, and outdoor installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoice of Enclosures\u003c\/strong\u003e\u003cbr\u003eAvailable in IP41 (standard) or IP66 (weatherproof) rated housing for indoor and outdoor applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Code Compliance\u003c\/strong\u003e\u003cbr\u003eSupports compliance with ASHRAE 15, EN 378, and CSA B52 refrigeration safety standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MGS-450\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetection Method:\u003c\/strong\u003e Electrochemical \/ Catalytic Bead \/ Infrared (sensor-dependent)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Gases:\u003c\/strong\u003e Refrigerants (25+ types), CO, CO2, NH3, NO2, O2, combustible gases\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasuring Range:\u003c\/strong\u003e\n  \u003cul\u003e\n  \u003cli\u003eRefrigerants: 0–1,000 ppm\u003c\/li\u003e\n  \u003cli\u003eCO2: 0–50,000 ppm (configurable ranges)\u003c\/li\u003e\n  \u003cli\u003eNH3: 0–5,000 ppm\u003c\/li\u003e\n  \u003cli\u003eCO: 0–500 ppm\u003c\/li\u003e\n  \u003cli\u003eO2: 0–30 Vol%\u003c\/li\u003e\n  \u003cli\u003eCombustible: 0–100% LEL\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24 VDC (19.5–28.5 VDC) or 24 VAC ±20%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 4W (max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Output:\u003c\/strong\u003e 4-20mA, 0-5V, 0-10V, 1-5V, or 2-10V (configurable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Output:\u003c\/strong\u003e Modbus RTU via RS-485\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Outputs:\u003c\/strong\u003e 3× SPDT (2 alarm + 1 fault), 1A @ 30VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Rating:\u003c\/strong\u003e IP41 (standard) \/ IP66 (optional)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (IP41):\u003c\/strong\u003e 165 × 165 × 77 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (IP66):\u003c\/strong\u003e 165 × 165 × 87 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 480 g (1 lb 1 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +50°C (-40°F to +122°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Humidity:\u003c\/strong\u003e 5–90% RH, non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm Indicator:\u003c\/strong\u003e Tri-colour LED (green\/orange\/red) + audible alarm 72–80 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, UL\/CSA\/IEC EN 61010-1, EN 50270, EN 14624\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards Compliance:\u003c\/strong\u003e ASHRAE 15, EN 378, CSA B52\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 year\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupermarkets and Retail Refrigeration\u003c\/li\u003e\n\u003cli\u003eCold Storage and Food Processing Facilities\u003c\/li\u003e\n\u003cli\u003eCommercial and Industrial HVAC Systems\u003c\/li\u003e\n\u003cli\u003eMechanical Plant Rooms\u003c\/li\u003e\n\u003cli\u003eIce Rinks and Skating Facilities\u003c\/li\u003e\n\u003cli\u003ePharmaceutical Cold Rooms\u003c\/li\u003e\n\u003cli\u003eData Centre Cooling Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMGS-450\u003c\/strong\u003e delivers peace of mind through continuous, intelligent refrigerant monitoring — protecting people, assets, and the environment while supporting compliance with international refrigeration safety codes.\u003c\/p\u003e","brand":"Bacharach","offers":[{"title":"Default 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