{"product_id":"1056-01-21-31-an-rosemount-1056-dual-channel-transmitter","title":"1056-01-21-31-AN | Rosemount | 1056 Dual Channel Transmitter","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRosemount 1056-01-21-31-AN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a sophisticated dual-channel multi-parameter transmitter designed for demanding liquid analysis. This specific configuration is optimized for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDual Toroidal Conductivity\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emeasurements, allowing for simultaneous monitoring of two separate process lines or the calculation of differential conductivity in high-concentration chemical applications.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRosemount (Emerson)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1056\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e115\/230 VAC, 50\/60 Hz (No Relays)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMeasurement 1\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eToroidal Conductivity\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMeasurement 2\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eToroidal Conductivity\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput \/ Communication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual 4-20 mA Analog Outputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 55 °C (32 to 131 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNEMA 4X \/ IP66\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eMeasurement Capability\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eToroidal (Inductive) Method:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdeal for high-conductivity liquids, slurries, or corrosive chemicals that would foul or coat standard contact electrodes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual Display:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe large, high-contrast LCD displays both measurements simultaneously with user-defined units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuto-Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe transmitter automatically recognizes the measurement boards upon power-up.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation \u0026amp; Wiring Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Options:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1056 is versatile and can be mounted via panel-mount (1\/2 DIN), pipe-mount, or surface-mount. Ensure the rear cable glands are tightened to maintain the NEMA 4X seal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Connection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis unit is configured for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e01 (AC Power)\u003c\/strong\u003e. Internal jumpers or terminal selection must be checked to match your local supply of 115 VAC or 230 VAC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSensor Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis model requires Toroidal sensors (e.g., Rosemount 222, 225, or 228 series). Ensure the sensor cable is properly shielded and routed away from high-power VFD or motor cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog Outputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe dual 4-20 mA outputs are isolated. They can be mapped to represent Conductivity 1, Conductivity 2, or the temperature of either process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQs)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose Toroidal conductivity over Contacting conductivity?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eToroidal sensors are \"non-contacting.\" They use induction to measure conductivity, making them nearly maintenance-free in applications that involve heavy oils, fibrous slurries, or high-acid\/base concentrations that would corrode standard sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this model include alarm relays?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\"01\"\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epower option in this specific product code indicates\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\"no relays.\"\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIf your application requires local high\/low alarm triggers, you must utilize the 4-20 mA signals to an external PLC or DCS, or select a different hardware configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I calibrate the dual channels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCalibration is performed through the front-panel membrane keypad. You can perform a \"Zero\" calibration in air and a \"Standard\" calibration using a solution of known conductivity or by comparing it to a grab sample.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the display visible in direct sunlight?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the 1056 features a high-contrast, black-on-white LCD that is designed for high visibility in both indoor industrial lighting and outdoor daylight conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rosemount","offers":[{"title":"Default Title","offer_id":52705311719787,"sku":"1056-01-21-31-AN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/1056-01-22-32an-3jsjnxijvcz_c4c89031-4c5d-4e1a-aa6e-d22564cd346e.jpg?v=1766639527","url":"https:\/\/www.plcprotech.com\/products\/1056-01-21-31-an-rosemount-1056-dual-channel-transmitter","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}