Manual do usuário Omega FCLTX-100

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PRODUCT INSTRUCTION SHEET
FCLTX-100 Series
SECTION 1.0
THEORY OF OPERATION
1.0 FREE CHLORINE DEFINED. Free Chlorine or "freely active chlorine"
is defined as the sum of molecular chlorine (Cl ), hypochlorous acid
2
-
(HOCl) and hypochlorite ions (OCl ). Molecular chlorine occurs at
pH values dependent equilibrium with one another as shown in FIG 1.
The graph shows % hypochlorous acid on the left of the curve.
Hypochlorous acid

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PRODUCT INSTRUCTION SHEET SECTION 3.0 FIG. 2 SENSOR PREPARATION 3.0 FREE CHLORINE SENSOR ASSEMBLY. The Free Chlorine Sensor is shipped with the membrane cap pre-installed and covered with a cap with water inside to keep the membrane wet. Make sure to keep sensor cap, anode and cathode inside SENSOR the sensor body, away oily or greasy materials. Contact with oil or grease will result in inaccurate measurements. SNAP RING GROOVE NOTE: IF SENSOR WILL BE STORED DRY OUT OF FLOW CELL, SH

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PRODUCT INSTRUCTION SHEET FIG. 3 SECTION 6.0 ELECTRICAL INSTALLATION Power Supply sensor red wire 6.0 ELECTRICAL INSTALLATION. The sensor produces an ap- sensor proximate output of 4 mA in air and 20mA at the top range of black wire free chlorine output (0-2ppm, 0-5ppm, 0-10ppm). NOTE: The supply voltage to the Sensor must be 12-24 V DC with minimum of 250 mA. Maximum load is 1 Watt. The sensor has 3 wires, red (+) , black (-) and clear (shield). Twist together or solder black PLC

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C L PRODUCT INSTRUCTION SHEET SECTION 8.0 FIG. 4 FIG. 5 CALIBRATION IMPORTANT NOTE: SENSORS ARE SUPPLIED FACTORY CALIBRATED WITH A 4-20mA SIGNAL OUTPUT CORRESPONDING TO THEIR SPECIFIC RANGE (0-2, 0-5 OR 0-10ppm). SPAN CALIBRATION IS NECESSARY WHEN RECEIVING A NEW SENSOR SINCE YOUR CONDITIONS MAY VARY FROM THOSE USED AT THE FACTORY FOR SPAN CALIBRATION. THE ZERO POINT CALIBRATION IS NOT NECESSARY SINCE THE ZERO SETTING IS VERY STABLE. PERIODIC CALIBRATION ( ABOUT ONCE PER WEEK)

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PRODUCT INSTRUCTION SHEET SECTION 10.0 FIG. 10 FIG. 11 SENSOR MAINTENANCE/RECONDITIONING 10.1 GENERAL MAINTENANCE. Service the sensor regularly (weekly is suggested) INJECT UNTIL SOLUTION 10.2 MEMBRANE CAP REPLACEMENT. If membrane replace- LEAKS OUT OF FILL HOLE ment is required, a new cap with preinstalled membrane must be used. Order FCLA-2016 replacement membrane cap and FCLA-2015 refill solution. To change membrane cap (do the following over a sink or washbasin): a) turn senso

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PRODUCT INSTRUCTION SHEET SECTION 12.0 SENSOR SPECIFICATION FC72 FLOW CELL DIMENSIONS 12.1 OPERATING SPECIFICATIONS. Follow all operating specifications, especially for pH and flow rate as noted in the specification tables below. TECHNICAL SPECIFICATIONS SENSOR Dimensions: 8.2"L x 1" dia Body Material: Black PVC Membrane Material: polyethersulfone R O-ring material: Viton Cathode: Gold Anode: Silver chloride (AgCl) Cable: 2 -conduct