Hanna Instruments PCA 310 Manuale utente

Instruction Manual

PCA 310, PCA 320, PCA 330

Chlorine, pH, Temperature, ORP

Analyzers

www.hannainst.com

Dear Customer,

Thank you for choosing a Hanna Product.

This instruction manual has been written for the following:

PCA 330 – Chlorine, pH, temperature, ORP analyzer.

PCA 320 – Chlorine, pH, temperature analyzer.

PCA 310 – Chlorine analyzer.

The analyzers have features such as: automatic chlorine measurement, pH, temperature

and ORP measurement, chlorine and pH dosing regulator, selectable sampling

periods, alarm system, data link through GSM network, user friendly interface,

serial communication through RS485, recorder output, 4-20mA dosing output,

Nema 4X enclosure.

The ordering code for chlorine analyzers is:

PCA 3a0-b

a = 1 - Chlorine analyzer

2 - Chlorine, pH and Temperature analyzer

3 - Chlorine, pH, Temperature and ORP analyzer

b = 1 - 115Vac 50-60Hz

2 - 220Vac 50-60Hz

Note: If the instrument is set for free chlorine analysis, the software will report at

startup Free chlorine and if it is set for total chlorine, the software will report at

startup Total chlorine.

Please read this instruction manual carefully before using the instrument. It will provide

you the necessary information for the correct use of the instrument, as well as a

more precise idea of its versatility.

Hanna Instruments reserves the right to modify the design, construction and appearance

of its products without advance notice.

TABLE OF CONTENTS

PRELIMINARY EXAMINATION........................................6

GENERAL DESCRIPTION..............................................7

MECHANICAL DIMENSIONS........................................9

FUNCTIONAL DESCRIPTION........................................10

DISPLAY, LEDS AND KEYBOARD...................................11

SPECIFICATIONS.......................................................14

OPERATING DESCRIPTION.........................................16

Chlorine measurement ......................................16

Method of analysis ........................................17

pH and temperature measurement ...................17

ORP measurement ........................................17

INITIAL PREPARATION AND INSTALLATION...................18

Installation Personnel......................................18

Location of the Instrument...............................18

Hydraulic Connections....................................18

Installing the Input Filter...................................20

Installing the pH and ORP probes .....................20

Installing the Pump Tubes.................................21

Electrical Connections.....................................22

STARTUP.....................................................................26

USER INTERFACE .......................................................27

Panels organization ........................................ 27

Main panels ............................................... 27

Measure panels ............................................. 28

Messages .................................................... 29

Menu mode ................................................ 29

Password procedure ..................................... 29

Navigating through menu .............................. 30

Modify a parameter ........................................ 30

PROGRAMMING THE ANALYZER .............................. 32

SETTING RESTORE.................... .............................. 32

GENERAL SETTINGS ...............................................33

Changing the password ................................. 33

Setting the language ..................................... 33

Analyzer serial number and software version ...... 33

Time and date ............................................. 33

WORKING MODE ................................................... 34

Automatic mode .......................................... 34

Standby mode ............................................. 34

Manual mode ............................................. 34

Read on demand ........................................... 35

Direct read ................................................. 35

System error relay..............................................35

CHLORINE SETTINGS .............................................. 36

Reagent changing .......................................... 36

Measure settings .......................................... 37

Measure info ................................................ 37

Analog output ............................................. 37

Chlorine dosing .......................................... 38

Alarms ........................................................ 39

CALIBRATE THE MEASURING CELL ............................. 40

Calibration date and factor ............................ 40

Calibration procedure ..................................... 40

pH SETTINGS (PCA 320, PCA 330) ............................. 41

Measure info............................................... 41

Analog output ............................................. 42

pH dosing .................................................. 42

Alarms ....................................................... 44

pH CALIBRATION (PCA 320, PCA 330) ....................... 44

One point calibration ................................... 45

Two-points calibration ..................................... 46

Process pH calibration .................................... 46

Set default calibration ..................................... 47

TEMPERATURE SETTINGS (PCA 320, PCA 330) ............ 48

Units ......................................................... 48

Measure info .............................................. 48

Analog output............................................. 48

Alarms ....................................................... 49

ORP SETTINGS (PCA 330) ..........................................50

Measure info .............................................. 50

Analog output ............................................ 50

Alarms ....................................................... 51

ANALOG OUTPUT .................................................. 52

Select the analog output type .......................... 52

Dosing through 4-20 mA output ...................... 52

CALIBRATE THE ANALOG OUTPUT .............................53

Output middle range ........................................54

SYSTEM LOG ..........................................................55

Set log ....................................................... 55

Clear system log .......................................... 55

View log ..................................................... 55

SERIAL COMMUNICATION ........................................ 57

Standard mode ............................................ 57

GSM ..................................................................... 58

GSM mode ................................................ 58

Setting the GSM feature ................................. 58

GSM connection .......................................... 59

Setting SMS feature ......................................... 60

Modem connection.......................................... 64

MAINTENANCE ...................................................... 65

Electrode conditioning and maintenance ........... 66

Changing peristaltic pump tubing .................... 68

Tubing replacement.......................................... 69

Cleaning measurement cell .............................. 69

Cell Cleaning Procedure ................................ 70

ERRORS, ALARMS AND WARNINGS ............................ 71

ACCESORIES ........................................................... 74

PRELIMINARY EXAMINATION

Remove the analyzer from the packing material and examine

it carefully to make sure that no damage has occurred during

shipping. If there is any noticeable damage, notify your dealer

immediately.

Each analyzer is supplied complete with:

• 2 reagent bottles (1 indicator and 1 buffer solution)

• 2 reagent bottle caps

• 1 DPD compound powder

• tubing

Note: Save all packing materials until you are sure that the instru-

ment functions correctly. Any damaged or defective items must

be returned in their original packing materials together with

the supplied accessories.

WARNING: The PCA 310 - PCA 330 series of Chlorine, pH and ORP

Analyzers are not designed for use with samples that are in-

flammable or explosive in nature. If any sample solution other

than water is used with these products, test the sample/prod-

uct compatibility to assure user safety and proper product per-

formance.

Safety Precautions: Please take the time to read the safety precautions

carefully wherever they appear in this manual. They are pro-

vided to prevent personal injury and damage to the instru-

ment. This safety information applies to the operators and ser-

vice personnel and the following two captions are used:

CAUTION::

: identifies conditions or practices that could result in dam-

age to the instrument or persons;

Warning::

: identifies conditions or practices that could result in personal

injury or loss of life.

Note: Because of the inherent dangers in handling chemical samples,

standards and reagents, HANNA Instruments strongly rec-

ommends the users of this product to review the Material Safety

Data Sheets and become familiar with safe handling proce-

dures and proper usage prior to handling any chemicals.

GENERAL DESCRIPTION

The Hanna PCA 310, PCA 320 and PCA 330 series of chlo-

rine, pH, ORP and temperature analyzers are microprocessor

controlled, process analyzers which continuously monitor a

sample stream for chlorine content, pH, ORP and temperature

values.

The PCA 310-330 monitor the free chlorine or total chlorine

in the 0 to 5 mg/L range depending on the factory settings

and used reagents.

In the DPD Colorimetric method, N, N-Diethyl-p-phenylene-

diamine indicator and a buffer are mixed with the sample.

The resulting chemical reaction causes a magenta color to

form. The color intensity is proportional to the concentration

of chlorine. The color intensity is measured photometrically

(with a light beam and a photodetector) and converted to

chlorine concentration, in mg/L, which is displayed on the

front panel.

Indicator and buffer reagent bottles are placed directly into

the instrument case. With a sampling period of 5 minutes,

reagents need to be replenished about once a month. The

reagent bottles are easily visible through the transparent win-

dow allowing the operator to check the reagent levels.

PCA 320 and PCA 330 analyzers HI 1005 probe to continu-

ously measure the pH of the sample stream in the range of 0

to 14 pH. The sample temperature is measured in the 5 to

75°C range. pH and temperature are displayed on the front

panel. pH value is corrected with temperature.

PCA 330 analyzer use HI 2008 platinum ORP electrode to

continuously measure the sample ORP value.

The pH/temperature combined sensor and the ORP sensor

are placed inside the case, directly in the sample stream.

The case of PCA 310-330 analyzers meet NEMA 4X, 12 and

13 standards. Molded fiberglass polyester has outstanding

chemical and temperature resistance.

The case provides wall mounting capability and door gasket

assures a watertight and dust-tight seal.

The electrical and hydraulic connections are made through

the side of the enclosure.

The front cover is secured with two lockable latches.

Four chlorine level setpoints can be adjusted by the operator:

a proportional dosing setpoint, two alarm setpoints and a

minimum level for dosing.

The proportional dosing factor (1/delta) is user selectable with

a delta between 0.1 and 5 mg/L (ppm). Chlorine dosing sys-

tem controls a SPST relay.

Each chlorine alarm can be enabled or disabled.

Three pH level setpoints can be adjusted by the operator: a

dosing setpoint and two alarm setpoints. The pH control mode

is user selectable: on/off or proportional dosing.

The proportional dosing factor (1/delta) is user selectable with

a delta between 0.1 and 2 pH . The on/off dosing hysteresis is

user selectable between 0.05 and 2.00 pH. pH dosing system

controls a SPST relay.

Each pH alarm can be enabled or disabled.

For temperature and ORP, two alarm levels can be set by the

user.

Each temperature or ORP alarm can be enabled or disabled.

Alarm condition controls a SPDT relay.

A system error feature provides relay activation to signals need

for operator intervention.

System error condition controls a SPST relay.

Two current outputs of 4-20 or 0-20 mA are available to drive

external devices such as chart recorders.

The analyzer can drive two dosing pumps through the 4-20

mA outputs for chloride and for acid/alkali dosing.

The analog output is fully programmable and could be propor-

tional with chlorine concentration, pH, ORP or temperature

value. The limits of the analog output is selectable for each

parameter.

The analyzer can store up to 3500 readings (at least 7 days at

3 minutes sampling interval), that are available for consulting

or downloading.

The PCA 310-330 analyzers can be monitored or controlled

through RS485 or GSM network connection.

Errors, alarms and warnings are sent through SMS (using GSM

module HI 504900).

The analyzer state can be interrogated by a simple call using

GSM phone.

Time is displayed on the main panel and a time related warn-

ing system for “Old calibration” “Reagent expired” and “SIM

expired” is available.

The language for user interface can be easily changed with-

out restarting the analyzer.

MECHANICAL DIMENSIONS

Case dimensions in mm & inches

254

304.8

338.3

389.1

374.8

254

393.7

367.1

209.8

83.1

13.32"

10"

12"

15.32"

3.27"

8.26"

14.76"

15.5"

10"

14.45"

FRONT VIEW

SIDE VIEW

REAR VIEW

FUNCTIONAL DESCRIPTION

1. Alarms, dosing, system error LED’s

2. Character Display

3. Cable glands

4. Keypad

5. Peristaltic Pump

6. Access Point to Cell

7. Measuring Cell

8. Drain Tube

9. Output Port

10. Drain Port Valve

11. Drain Port of Measuring Cell

12. Sample Tubing

13. Buffer Bottle

14. Pressure Regulator Output Port

15. Incoming Pressure Regulator

16. Indicator Bottle

17. Sample Inlet Port

18. pH Electrode (not included)

19. Electrodes Holder

20. Sample Output Port

21. Electrovalve

22. ORP Electrode (not included)

23. Reagent Tubing

24. Line Input

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