{"product_id":"emerson-epro-mma3311-022-100-key-monitor","title":"Emerson EPRO MMA3311\/022-100 Key Monitor","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMMA3311\/022-100\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision, wall-mounted speed and phase (key) monitoring module designed for small-to-medium-scale rotating machinery. It interfaces with eddy-current sensors to measure rotational speed and generate critical \"Key\" signals for phase-locked vibration analysis. This rugged IP65 unit is ideal for monitoring turbines, compressors, and pumps, providing both analog outputs and relay contacts for direct machine protection.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMMA3311\/022-100\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEmerson \/ Epro\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSensor Input:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEddy-Current Sensors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUp to 65,535 RPM (software configurable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 to 20 kHz (with automatic trigger level setting)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Signals:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0\/4 to 20 mA or 20 to 4\/0 mA (Field selectable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBuffered Out:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.0 to 10.0 VDC (2x connections)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRelays:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5x Make Contacts (Max 48 VDC \/ 1 A \/ 50 W)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.25% Linearity Error at 25°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNominal +24 VDC (Max 6 W)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIP65 (Dust-tight and water-resistant)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-20°C to 65°C (-4°F to 149°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHousing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNon-corroding Aluminum \/ Wall Mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGermany\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Engineering Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhase Reference Generation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eActs as a Tachometer\/Key Phaser for vibration monitoring systems, allowing engineers to correlate vibration data with specific shaft positions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDynamic Triggering:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures automatic trigger level setting within a 0 to 20 kHz range, ensuring reliable pulse detection across varying shaft speeds and sensor gaps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eField Configurable Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAll measurement settings, alarm setpoints, and output scaling are freely selectable via configuration software for maximum application flexibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStand-Alone Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with five integrated relays, the module can trigger \"Alert\" or \"Danger\" shutdowns independently of a primary PLC or DCS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Resilience Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a 20 g peak shock limit and non-corroding aluminum housing, it is built for the vibration-heavy and wash-down environments of industrial facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":44703397019763,"sku":"MMA3311\/022-100","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/f740a7a3d28adf51e37ee4071e138e5d_94d4e8fb-da28-4803-b1f6-59c926666a2a.png?v=1775544214","url":"https:\/\/www.dcssupplier.com\/products\/emerson-epro-mma3311-022-100-key-monitor","provider":"DcsSupplier Limited","version":"1.0","type":"link"}