Hanna-instruments PCA 300 Series Manual do Utilizador Página 1

PCA 300/PCA 301SeriesPanel-mounted,Microprocessor-basedChlorine AnalyzersInstruction Manual

10SPECIFICATIONSPCA 300 PCA 301Range 0.00 to 5.00 mg/L 0.00 to 5.00 mg/LFree Cl2Total Residual Cl2Resolution 0.01 mg/LAccuracy ±8% of reading or ±0.05

11400mg/L for Free Chlorine analysis (PCA300) or 700mg/L for Total Chlorineanalysis (PCA 301)Operating 5 to 40°C (41 to 104°F)temperature rangeRecorde

12OPERATING DESCRIPTIONReferring to the drawing on page 7 and the Fluidic Dia-gram on page 13, the Sample Line is connected to theinstrument at the Sa

13METHOD OF ANALYSISFree available Chlorine (monitored by the PCA300 series)oxidizes the DPD indicator reagent at a pH between 5.5 and6.0 to form a ma

14INITIAL PREPARATION AND INSTALLATIONINSTALLATION PERSONNELInstallation of the PCA 300 and PCA 301 family of Chlo-rine Analyzers should be undertaken

15Direct routing of sample lines is also recommended.If the large process pipes are horizontal, taps should be in-serted vertically in the middle of t

16Return Line InstallationThe return hose fitting is a 12 mm (1/2”) hose barb on thebottom of the regulator output port and should always beconnected

17Grasp the other plastic collar and pull, stretching the centersection, and place the grommet in the lower left indentationhole.Repeat this process w

18ELECTRICAL CONNECTIONSA power cable (3 mt.) is provided with your analyzer. How-ever, if access to the terminal block is required, see below.Warning

19Recorder Output and Relay AccessHard wiring for alarms and relays can be accomplishedthrough four watertight connectors on the left of the enclo-sur

2TABLE OF CONTENTSPRELIMINARY EXAMINATION . . . . . . . . . . . . 4GENERAL DESCRIPTION. . . . . . . . . . . . . . . . 5MECHANICAL DIMENSIONS . . . .

20Recorder OutputRecorder output connections are made as indicated on thepicture aside. The control panel must be opened.A wiring access hole is locat

21Set the individual micro-switchfor the desired output in the ONposition (e.g. 0-1V).See table below.Switch Function6 Not used5 Calibrate Current4 4

22START-UPINSTRUMENT POWER ONWhen the POWER switch is turned on or RESET is pressed,the moving words “Hanna PCA300” will appear. This dis-play will co

23• Enter code 700 using the  and  keys.• Press DIAG and “brt” will be displayed. Then the bright-ness of the display will begin to change through t

24Press DIAG. “0.00” will appear on the display and the twolevels will be set to the current value.SAMPLING RATEThe sampling rate is user-selectable f

25PRIMING THE REAGENT SYSTEMA special diagnostic function included in the software pro-vides a convenient way to prime the peristaltic pump andreagent

26ANALYZER PROGRAMMINGWhen power is first applied to the analyzer, programmableparameters of the analyzer are set to default values estab-lished at th

27• Press SETPOINT twice to store the new set-point.• To set the range within which the proportional dosing occurs(delta), press DIAG. The display wil

28Example With the previously given values, sample rate 5 minutes andmeasured value 2.8 mg/L, the proportional dosing will beactive for the initial 2

29• Enter code 710 using the  and  keys.• Press DIAG and the display will scroll through “AL —”,maximum desired level, and “AL —”, minimum desired l

3START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Instrument Power On . . . . . . . . . . . . . . . . 22Display Brightness . . . . .

30• When an alarm condition is met, theALARM LED turns on and the corre-sponding relays closes.RECORDER OUTPUT SPAN SETTINGThe selected recorder outpu

31• If you want to store the new setpoint promptly press REC.MINagain. Display will show “Stor” for a short time indicatingthat the new setpoint is st

32• If you want to store the new setpoint, promptly pressREC.MAX again. Display will show “Stor” for a short timeindicating that new setpoint is store

33voltage limits can be calibrated automatically as follows:1.A To automatically calibrate "ZERO" scale1.A.1 Press DIAG. The display will sh

341.B.3 Press DIAG; “rc 1” will be displayed and the analyzerwill execute this mode calibrating the span value e.g.1V, 10mV or 100mV.Microprocessor pr

352.A.4 Press DIAG; “rc 4” will be displayed and the analyzerwill execute this mode calibrating the output to 4 mA.2.B To automatically calibrate &quo

36EarthGroundOutRecorderOutputThis procedure will set the output to 1%. Fine tune the re-corder output by following the procedure in step 3.Step 3If t

37DIAG3.A.4 The reading on multimeter will slowly in-crease. When the desired value isreached, press DIAG again to store itand quit the mode.3.B If th

38DIAG3.C If the recorder full scale (upper limit) reads toolow3.C.1 Press DIAG. The display will show the last diagnosticmode and the right-most nume

39DIAG3.D.2 Enter code 103 using the  and  keys.3.D.3 Press DIAG; “r dn” will be displayed and the analyzerwill execute this mode fine tuning upper

4PRELIMINARY EXAMINATIONRemove the analyzer from the packing material and examineit carefully to make sure that no damage has occurred dur-ing shippin

40DIAGEarthGroundOutRecorderOutputRECORDER OUTPUT LIMITS CHECKAt any time, it is possible to see on a multimeter the presentsettings of the recorder o

41DIAGDIAGDIAGDIAGDIAGDIAGand the multimeter will display the current minimumrecorder output limit.1.D Press DIAG again to quit the mode.To see the cu

42DIAGDIAG3.B Enter code 112 using the  and  keys.3.C Press DIAG; “– –” will be displayed and the analyzerand the multimeter will display the curren

43DIAGDIAGTo adjust the light level of the blank sample:1. Press DIAG. The display will show the last diagnostic modeand the right-most numerical digi

44MAINTENANCECALIBRATION REQUIREMENTCalibration of the PCA 300 and PCA 301 series of Chlo-rine Analyzers is not normally required. The DPD techniquefo

45To see the current value, press DIAG. The display will showthe last diagnostic mode and the right-most numerical digitwill blink.Enter code 701 usin

46Once reagents are completely ex-hausted, the system error LED will lit(while the relay remains activated) tonotify the user.CHANGING PERISTALTIC PUM

47TUBING REPLACEMENTThe remaining tubing in the analyzers should be replacedevery two months.When installing new tubing it is helpful to dip them in h

48DIAGRELAY TESTIn the relay test mode all three alarm relays close for aboutone second.1. Press DIAG . The display will show the last diagnosticmode

493. Wait for the PCA to display the reading.4. Press DIAG. The display will show the last diagnostic modeand the right-most numerical digit will blin

5GENERAL DESCRIPTIONThe Hanna PCA 300 and PCA 301 series of Chlorine Ana-lyzers are microprocessor-controlled, process analyzers whichcontinuously mon

50ERROR CODESERROR 0 - NO ERRORERROR 1- INVALID LOW-SCALE ADJUSTMENT OF RECORDER OUTPUT1. The manual (fine) low-scale adjustment of the recorderoutput

51Check the dip switches for proper configuration.Also, when in DIAG 100, “E03” can occur if the user doesnot press DIAG again before the displayed DV

52ERROR 8 - LOW ABSORPTIONThe measured absorption is too low. Possible reasons in-clude:1. empty reagent bottles;2. clogged, pinched or broken tubes;3

53OPERATIONAL & DIAGNOSTIC CODESCode Function100 Increase recorder output lower limit in manuallow-scale adjustment101 Decrease recorder output lo

54503 Clear previous minimum/maximum concen-tration values700 Set the display brightness level701 Show the current reagent counter value (intens)702 R

55INTERFACE WITH PC (PCA 300 and PCA 301 only)A serial interface permits the PCA 300 and PCA 301 tohave direct connection with a computer. Connection

56ACCESSORIESChecktempC Termometer (-50.0 to 150.0 ºC)HI 70473 Complete kit of tubes from pressure regulator to drainHI 70474 Peristaltic pump tube (6

57WARRANTYAll Hanna Instruments meters are guaranteed for twoyears against defects in workmanship and materials whenused for their intended purpose an

58OTHER PRODUCTS FROM HANNA• CALIBRATION AND MAINTENANCE SOLUTIONS• CHEMICAL TEST KITS• CHLORINE METERS• CONDUCTIVITY/TDS METERS• DISSOLVED OXYGEN MET

59CE DECLARATION OF CONFORMITYRecommendations for UsersBefore using these products, make sure that they are entirely suitable for the environment in w

6Two selectable chlorine level setpoints can be set by the op-erator: a proportional dosing setpoint and an alarm setpoint.Both setpoints control a SP

www.hannainst.comMANPCA300R107/02PCA300 AND PCA301 COMPLIANCE MARKS

7FUNCTIONAL DESCRIPTION1. Alarms Indicators2. LED Display3. Keyboard4. Alarms Output5. Recorder Output6. Peristaltic Pump7. Access Point to Cell8. Mea

8LED DISPLAY, INDICATORS AND KEYBOARDDIGITAL DISPLAYThe digital readout will indicate the Chlorine concentration ofthe last sample measured in milligr

9SYSTEM ERROR INDICATORThis LED is lit when a system error has oc-curred. If the situation persists for more thana few samples, the operator should no