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**Multiple Input Analyzer** UDA2182 Series Analyzers The UDA2182 Series is a versatile, dual or single input analyzer that measures pH, ORP, contacting conductivity and dissolved oxygen. The “mix-and-match” input design offers the user flexibility for a wide range of applications. Its common form, fit and function to older Honeywell analyzers make it a quick and easy retrofit into existing panels and installations. - Versatile Multiple Input Analyzer - Mix and Match Process Measurements - Entire Status at a Glance–Graphic LED Display - Fast and Easy Commissioning–Even Wireless Configuration - Remote Monitoring Using Web Pages - Single or Dual Input for pH, ORP, Contacting Conductivity orDissolved Oxygen - Dual Input in any Measurement Combination - PID Control Option - Up to 3 Analog Outputs s Up to 4 Alarm Relays s Backlit Graphical LED Display s Type 4 Case - Infrared PC and Pocket PC Configuration - FM/CSA Class 1, Div 2 Approval - Event History Log - Real Time Clock - Auto Clean/Auto Calibration Functions - Ethernet/Modbus Communications - Eastern European Languages **pH Input** The pH input will accept a wide variety of sensors–non-glass Durafet®, HB high performance pH series and traditional glass Meredian® electrodes, ORP combination electrodes and the HPW700 high purity system. In addition to the basic unit the pH input has: - Auto Buffer Calibration - High Purity Water Solution Compensation - 0.2 sec Update Rate for Fast Responding Durafet pH Electrodes **Conductivity Input** The conductivity input will accept signals from Honeywell’s standard selection of contacting conductivity cells. The conductivity unit also has: - Temperature Compensation Curves - Calculation of % Rejection/Passage and Difference of Two Cells - Conversions to ppm, ppb or ppt Total Dissolved Solids (TDS) - CO2 Concentration Algorithm - pH from Differential Conductivity

Instruments : DirectLine® Model DL421/422 Measurement : pH/ORP Case (HxWxD) : Plastic Polysulfone Enclosure, NEMA4X,123 x 48 x 46 mm (4.84 x 1.89 1.81 in) Display : LCD 4-digit, 7-segment Display Accuracy : pH: ±0.02, Temp: ±1.0 (C or F) Control capabilities/advanced features : Integral Electronics/Sensor Design, One or Two Point Calibration,Auto Buffer Recognition Operating Conditions : -20° to 85°C (-4° to 185°F) Operating Voltage: 16-42 Vdc Analog Outputs : One 4 to 20 mA Relays : N/A Mountings: Integral : No Electronics Mounting Needed.Remote: Pipe, Wall or DIN Rail Approvals : CE for Industrial Applications, UL-General Purpose;CSA General Purpose FM Class I, Div 1, Groups A-D (IS); FM Class I, Div 2, Groups A-D(N.I. Field Wiring)