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Chemtrac CCA3100, Operation Manual

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Chemtrac CCA3100 Operation Manual Download Page 4

 CCA 3100

 

 

  

4

 

 

SYMBOL KEY 

 

 

Risk of Electric Shock 

 

 

 

 

  Note

 

 

 

 

 

 

 

 

 

 

 

 

SAFETY PRECAUTIONS

 

 
BEFORE 

ATTEMPTING 

TO 

UNPACK, 

SET 

UP, 

OR 

OPERATE 

THIS 

INSTRUMENT, PLEASE READ THIS ENTIRE MANUAL. 
 

MAKE  CERTAIN  THE  UNIT  IS  DISCONNECTED  FROM  THE  POWER  SOURCE 
BEFORE ATTEMPTING TO SERVICE OR REMOVE ANY COMPONENT. 
 

FAILURE  TO  FOLLOW  THESE  PRECAUTIONS  COULD  RESULT  IN  PERSONAL 

INJURY OR DAMAGE TO THE EQUIPMENT.

 

 

 

 

 

 

Summary of Contents for CCA3100

Page 1: ...OPERATIONS MANUAL OPERATIONS MANUAL OPERATIONS MANUAL OPERATIONS MANUAL Coagulant Charge Analyzer Revised 04 11 12 MQ CCA3100 CCA3100 CCA3100 CCA3100...

Page 2: ...CCA 3100 2...

Page 3: ...e 9 2 2 PROBE ASSEMBLY Page 10 2 3 SIGNAL PROCESSING Page 12 3 0 OPERATION PAGE 14 3 1 SENSOR AND PISTON Page 14 3 2 1 Removal Page 14 3 2 2 Insertion Page 14 3 2 3 Standard Cleaning Procedure Page 15...

Page 4: ...G TO UNPACK SET UP OR OPERATE THIS INSTRUMENT PLEASE READ THIS ENTIRE MANUAL MAKE CERTAIN THE UNIT IS DISCONNECTED FROM THE POWER SOURCE BEFORE ATTEMPTING TO SERVICE OR REMOVE ANY COMPONENT FAILURE TO...

Page 5: ...ure caused by A Improper installation operation or maintenance of the equipment B Abnormal wear and tear on moving parts caused by some processes C Acts of nature i e lightning flooding etc This warra...

Page 6: ...osely bound counter ions mentioned above are a component of the double layer This concept is described in Section 1 3 Both streaming current and zeta potential are based upon the double layer principl...

Page 7: ...ded particles turbidity that if otherwise left untreated would negatively impact drinking water quality either by aesthetical chemical or microbiological contamination Generally naturally occurring pa...

Page 8: ...CCA 3100 8 FIGURE 1 The Double Layer...

Page 9: ...15VAC 50 60Hz 410 mA Optional 220VAC 50 60Hz 205 mA Environmental Temperature 15 45 C Enclosure Aluminum Information Derived Streaming Current in mV Measured Parameter Streaming Current Sample Aqueous...

Page 10: ...d the cylinder is called the annulus which is critical to the streaming current device The annulus has the shape of a thin cylindrical shell which contains sample fluid and particles The clearance bet...

Page 11: ...ion These particles namely the anionic species adhere to the piston and cylinder walls by Van der Waal s forces As fluid motion is induced by the reciprocating piston the counter ions of the double la...

Page 12: ...gnal the amplifier must be low impedance because in its absence the circuit would be completed by conductance back through the liquid Essentially the amplifier must have a lower conductance than the s...

Page 13: ...witch located on the face plate Figure 3 also suggests how the processing of an alternating current signal from the sensor serves to eliminate any extraneous currents Suppose the entire signal is move...

Page 14: ...ning 3 1 1 Removal 1 Turn the motor Off 2 Loosen the thumbscrew on the lower portion of the sensor 3 Secure the CCA with one hand and with the other pull down on the lower portion of the sensor to dis...

Page 15: ...the piston and cylinder both inside and outside with a stiff nylon test tube brush and a mild abrasive cleanser e g Comet Use room temperature tap water Avoid water contact with the banana plugs 3 Rin...

Page 16: ...CCA 3100 16 3 2 REPLACEMENT PARTS Figure 4 illustrates the CCA3100 parts identification with part numbers FIGURE 4 Parts Identification...

Page 17: ...d piston be conditioned before the actual charge measurement is performed Conditioning will replace foreign molecules with ones that are similar to the sample being tested Additionally one may conside...

Page 18: ...til the isoelectric point is achieved and then surpassed FIGURE 5 Note that in Figure 5 the SCV tangentially approaches zero This is critical to achieving a valid titration and is achieved by an appro...

Page 19: ...xer then dose the beakers at different chemical levels using alum ferric caustic lime soda ash etc Using the gang mixer operators control the paddle speeds to simulate mixing conditions in the plant A...

Page 20: ...ill saturate the probe and drive the reading positive very quickly 6 Record the number of mls used in the titration Each ml is equal to 5 ppm 7 Discard the first sample The first sample is used to con...

Page 21: ...ke a minute or two especially in cold water begin the alum titration and continue until you reach the charge reading in step one 4 Record the number of mls required Calculate the amount of chemical yo...

Page 22: ...e following sample locations 1 Test the raw water to determine coagulant demand by titration 2 After flash mix measure charge to determine optimum chemical dosage 3 Compare a sample after the on line...

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