{"product_id":"flxa21-yokogawa-liquid-analyzer-new-original-stock","title":"FLXA21 YOKOGAWA Liquid Analyzer | New \u0026 Original Stock","description":"\u003cp\u003eConfigured for multi-parameter liquid analysis in industrial process networks, the \u003cstrong\u003eYOKOGAWA FLXA21\u003c\/strong\u003e (\u003cstrong\u003eFLXA21\u003c\/strong\u003e Liquid Analyzer) provides direct physical and electrical execution of pH, ORP, dissolved oxygen, and conductivity measurements via modular sensor inputs.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe FLXA21 utilizes a modular suffix code system to determine specific input configurations and output communication protocols.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Input:\u003c\/strong\u003e Configurable for single or dual-channel operation, allowing simultaneous measurement of independent parameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e Options include support for 4-20 mA analog outputs, FOUNDATION Fieldbus, or Profibus PA digital communication standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e Available in wall-mount or pipe-mount configurations with IP66\/NEMA 4X ingress protection ratings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eFLXA21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYOKOGAWA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e 1.5 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e165 x 165 x 155 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e100-240 VAC or 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Inputs\u003c\/td\u003e\n\u003ctd\u003epH, ORP, DO, Conductivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Connectivity and Loop Performance\u003c\/h3\u003e\n\u003cp\u003eThe FLXA21 controller incorporates advanced signal processing to manage high-impedance sensor inputs. The architecture supports channel-to-channel isolation, preventing common-mode interference when multiple sensors are deployed in the same process stream. For pH and ORP monitoring, the internal circuitry executes real-time cold junction compensation (CJC) and automatic temperature compensation (ATC) to ensure measurement stability. When integrated into a DCS environment, the device utilizes FOUNDATION Fieldbus or Profibus PA connectivity to transmit process variables and diagnostic data, maintaining loop integrity through standardized digital communication protocols.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the FLXA21 support field replacement of input modules?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the modular design allows for the installation or replacement of sensor-specific input modules. Ensure the device is isolated from power before module removal or re-configuration.\u003c\/p\u003e\n\u003cp\u003eQ: How is signal drift managed during long-term conductivity measurement?\u003c\/p\u003e\n\u003cp\u003eA: The controller utilizes internal digital signal processing to perform continuous diagnostic monitoring and self-calibration routines. Periodic calibration using certified reference solutions is required to maintain accuracy within specified tolerances.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSelect a mounting location with minimal mechanical vibration and protection from direct sunlight or heavy process sprays.\u003c\/li\u003e\n\u003cli\u003eEnsure the enclosure seal is intact before mounting to maintain the IP66 rating.\u003c\/li\u003e\n\u003cli\u003eUse dedicated conduits for sensor signal cables to prevent crosstalk with high-voltage power lines.\u003c\/li\u003e\n\u003cli\u003eGround the transmitter chassis to a low-impedance earth point to provide effective surge protection and signal shielding.\u003c\/li\u003e\n\u003cli\u003eTerminate shield wires at the designated terminals provided within the housing; avoid creating ground loops between the transmitter and the process piping.\u003c\/li\u003e\n\u003cli\u003eVerify electrical connections against the specific wiring diagram provided with the internal module configuration prior to applying power.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49199359557884,"sku":"FLXA21","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/FLXA211.jpg?v=1781487120","url":"https:\/\/www.electronicplc.com\/ar\/products\/flxa21-yokogawa-liquid-analyzer-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}