电导率变送器Conductivity Transmitter
The Model 223 Conductivity Transmitter with the appropriate sensor measures conductivity up to 2000mS/cm, resistivity in megohms and concentration in precent, ppm, mg/l or TDS. The basic transmitter is available with either a 115V AC or 220VAC or 24Volt AC/DC power supply, linear isolated current output and one alarm. Features include the addition of a second output for temperature and up to four alarms, which may be configured for on-off control functions, alarm limits, timer for cleaning or PID control functions. The PS version adds the diagonstic function Live Check as well as a non-linear programmable current output. Live Check signals an alarm when the sensor signal does not change over a defined period
Features · Measures Conductivity, Resistivity, % Concentration, TDS, ppm · 96 X 96 mm Panel Mount Enclosure Takes Up Less Panel Space · Temperature Slope Adjustment Provides Greater Accuracy in Chemical Concentration Control · “Live Check” Continuously Monitors Sensor Performance · Up To Four Alarm Contacts Including Temperature · Dedicated Fault Alarm · NAMUR Fault Current Alarm · PID Controller · 2nd Current Output for Temperature Applications · Ultrapure Water · Reverse Osmosis · Demineralizers · Boiler Water and Cooling Water · Metal Cleaning and Plating Description The Model 223 Conductivity Transmitter with the appropriate sensor measures conductivity up to 2000 mS/cm, resistivity in megohms and concentration in percent, ppm, mg/l or TDS. The basic transmitter is available with either a 115 VAC or 24 Volt AC/DC power supply, linear isolated current output and one alarm. Features include the addition of a second output for temperature and up to four alarms which may be configured for on-off control functions, alarm limits, timer for cleaning or PID control functions. The PS version adds the diagnostic function Live Check as well as a non-linear programmable current output. Live Check signals an alarm when the sensor signal does not change over a defined period. Base Transmitter (PR) Plus Package (PS) Measurement, display and calibration of the process Adaptive Calibration for Inductive Conductivity Cells variable (PV) and temperature. Isolated current output (Code 0) Polarization Detection Temperature output (Code 1) One alarm (Code 05) Live Check sensor signal monitoring and alarm. · On – Off Dedicated fault alarm (Standard) Programmable non-linear current output. NAMUR fault current (Standard) · 2.4 or 22.0 mA Code 10 Additional Features Two Alarm Contacts for PV and Temperature USP 24 Alarm for Pharmaceutical Grade Water · On – Off (WFI Systems) · Timer for cleaning · P(ID) Controller Automatic Cleaning initiated by an internal alarm or limit violation Code 16 Additional Features Four Alarm Contacts for PV and Temperature Cleaning initiated externally or automatically by an internal · On – Off alarm or limit violation · Timer for cleaning · P(ID) Controller
Model 223 Conductivity Transmitter
Specifications Conductivity Measurement Measuring Range Conductivity; 0 to 2000 mS/cm Resistivity; 0 to 20 Megohms cm Concentration; 0 to 9999 (%, ppm, mg/l, TDS) Resolution 0.5% of Measured Value Repeatability 0.2% of Measured Value Deviation, Output / Input 0.75% of Current Output Range Compatible Cell Constants 0.0025 to 99.99 cm-1 Measuring Frequency Conductivity; 299.75 to 1077.6 Hz Resistivity; 32.5 to 425 Hz Maximum Cable Length Sensor to Transmitter Conductivity; 100 meters (328 ft.) Resistivity; 20 meters (65 ft.) Inductive Conductivity Measurement Measuring Range 0 to 2000 mS/cm (uncompensated) Cell Constant 0.0025 to 99.99 cm-1 Measuring Frequency 2 kHz Maximum Cable Length Sensor to Transmitter 55 meters (180 ft.) Temperature Compensation Temperature Sensor Pt 100 or Pt1000 Reference Temperature 25oC (77oF) Measuring Range -35 to 250oC (-31 to 482oF) Resolution 0.1oC Repeatability 1.0% of Measuring Range Compensation Curves Linear, NaCl, Ultrapure Water, Programmable Digital Inputs 1 and 2 Voltage 10 to 50 V Power Consumption Maximum 10 mA Current Output Range Selectable 0 to 20 mA or 4 to 20 mA NAMUR Fault Current 2.4 or 22.0 mA Maximum Load 500 Ohms Output Scale Expansion 10% to 100% Output Isolation Max. 350Vrms / 500Vdc Over Voltage Protection EN 61000-4-5:1995 Auxiliary Voltage Output Output Voltage 15 V Output Current Max. 10mA
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