Hanna Instruments HI 9910 Manuale utente

Instruction Manual

HI 9910 - HI 9911

HI 9920

Wall Mounted

pH & ORP

Controllers

http://www.hannainst.com TheseInstrumentsarein

Compliancewiththe CE Directives

0SECONDS

pH2.00

TIMER

MINUTES

0.5

1.5

COARSEFINESLOPE

OFFSET

ALKALINESET

ACID SET

PROPORTIONALSETTINGS

110

2.5

7.5

ACID

ALARM

OFF

SET

READ

ACID

ALK

ACID

FEED

ALK

MTC

°C

-1080

2060

4050

110

2.5 57.5

ALK

HI 99

ALARM

MTCATC

mAOUTPUT

TEMP.C

OMP.

4/200/20

ALARM

LINE

SETALK

SETACID

PRELIMINARY EXAMINATION .....................................................3

GENERALDESCRIPTION.............................................................3

MECHANICALLAYOUTS ............................................................. 4

FUNCTIONAL DIAGRAM HI 9910 ...............................................6

FUNCTIONAL DIAGRAM HI 9911 ...............................................9

FUNCTIONAL DIAGRAM HI 9920 ............................................. 12

CONNECTIONS& WIRING ....................................................... 14

NORMAL OPERATION & MEASUREMENT ................................... 19

pH CALIBRATION ................................................................... 20

ORP CALIBRATION ................................................................. 22

ADJUSTEMENT OFSETPOINT(S) ............................................... 23

PROPORTIONAL CONTROL ...................................................... 26

OVERDOSAGETIMER............................................................... 29

pH VALUES AT VARIOUS TEMPERATURES................................. 30

REDOXMEASUREMENT(HI 9920)............................................ 31

ELECTRODECONDITIONING &MAINTENANCE............................. 33

SUGGESTEDINSTALLATIONS FORpH/ORPELECTRODES.............. 34

ACCESSORIES......................................................................... 35

WARRANTY ............................................................................ 37

OTHER PRODUCTS FROM HANNA ............................................ 38

CEDECLARATION OFCONFORMITY ........................................... 39

ISO 9000 Certified

Company since 1992

TABLE OF CONTENTSTABLE OF CONTENTS

TABLE OF CONTENTS

DearCustomer,

Thank you for choosing a Hanna Product.

Please read this instruction manual carefully before using the

instrument. This manual will provide you with the necessary

information for a correct use of the instrument, as well as a more

precise idea of its versatility. If you need more technical informa-

tion, do not hesitate to e-mail us at [email protected].

These instruments are in compliance with the directives

EN50081-1, 50082-1and 61010-1.

PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATION

PRELIMINARY EXAMINATION

GENERAL DESCRIPTIONGENERAL DESCRIPTION

GENERAL DESCRIPTION

Remove the instrument 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.

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

instrument functions correctly. Any defective item must be

returned in the original packaging together with the supplied

accessories.

IMPORTANT:

1. Read the instructions before using the instrument.

2. The instrument should be connected to a mains socket.

3. Never install the controller outdoors, in a wet or humid area or

under direct sun light. Nor install the controller where liquids may

be sprayed or poured on it.

4. The instrument’s main power line as well as the dosage and

alarm terminals are protected by separate 2A fuses. Use only 2A

fusesfor replacement.

Hanna's wall-mounted pH and ORP controllers with proportional

controlare designedto meet avariety ofprocess control requirements.

The electrodes can be installed quickly and easily. Simply plug the

universal BNC connector into the socket and twist it into a secured

position. Accurate measurements are displayed on a large LCD.

Thecontrollers come equippedwith relays operatingat a maximumof

2A(240V).

The Hanna controllers incorporate a triple contact alarm system.

When activated, the alarm contacts will open or close, triggering the

mechanism of your choice, whether a buzzer, light or any other

electricaldevice.

Therecorder output terminals are isolated from the controller circuitry

to avoid any interference and are user-switchable between 0 to 20

mA or 4 to 20 mA.

In order to avoid electrical noise and interference all models provide

for a ground probe (differential input).

These controllers are housed in a rugged, modular, fiber-reinforced

ABS housing.

Figure 2 illustrates the controls and terminals on the HI 9910 pH

controller. Layouts vary from model to model based on their features

and capabilities.

MECHANICAL LAYOUTSMECHANICAL LAYOUTS

MECHANICAL LAYOUTS

BNC CONNECTOR FOR ELECTRODE

WIRING ACCESS

PORTS

4 mm BANANA SOCKET

FOR GROUND PROBE

ALARM

MTC ATC

mA OUTPUT

TEMP.COMP.

4/20 0/20

HI 9910

SECONDS

090

MTC

°C

-10 80

20 60

40 50

0pH 2.0

0.5

1.5

COARSE FINE SLOPEOFFSET

PROPORTIONAL SETTINGS

ALARM

OFF

SET

READ

ACID

DOSING

ALK

SET POINT

ALARM DOSING TIME

MINUTES

110

2.5

7.5

SET pH

ALARM

LINE

LCD DISPLAY

CALIBRATION

TRIMMERS

CONTROL KNOBS

AND SWICHES

OUTPUT CONTACTS

TEMP. COMPENSATION

SWITCH

DOSING TERMINALS

POWER SUPPLY

TERMINALS

ALARM CONTACTS

Fig. 2

Fig. 1

Figure 1: displays the connector for electrode and the wiring access

ports.

All models can be wired to work with 110/115V or 220/240V

50/60Hz powersupplies.

The models covered in this manual are:

HI9910 a single setpoint pH controller

HI9911 a dualsetpoint pH controller,specificallydesigned for

all those applications in which the pH value intends to

oscillate both up and down

HI9920 ORP controller, designed for numerous industrial

applications, but in particular for swimming pools and

drinking water sanitation

3.8“

96.9 mm

25 mm

1“

75 mm

3“

Fig. 3

227.8 mm

9“

188.6 mm

7.4“

221.8 mm

8.7“

174.8 mm

6.9“

Fig. 4

Figure 3 is a dimensioned, bottom view of the wall mounted

controllers. The modular design isolates the control circuitry from the

contacts making it possible to make the connections and then close

the compartment. Adjustments can then be made only in the control

area, without having to open the contacts compartment.

Figure4 is a dimensioned frontview of the wall mountedcontrollers.

The molded, mounting holes in the corners provide for quick and

secure installation. No additional hardware is needed for mounting.

All electrical connections and controls are located on the front of the

instrument so that adjustment can be made without having to

remove the unit.

FUNCTIONAL DIAGRAM HI 9910FUNCTIONAL DIAGRAM HI 9910

FUNCTIONAL DIAGRAM HI 9910

SINGLE SETPOINT,SINGLE SETPOINT,

SINGLE SETPOINT, pp

pH CONTROLLERH CONTROLLER

H CONTROLLERH CONTROLLER

H CONTROLLER

ALARM

MTC ATC

mA OUTPUT

TEMP. COMP.

4/20 0/20

HI 9910

SECONDS

090

MTC

°C

-10 80

20 60

40 50

0pH 2.0

0.5

1.5

COARSE FINE SLOPEOFFSET

PROPORTIONAL SETTINGS

ALARM

OFF

SET

READ

ACID

DOSING

ALK

SET POINT

ALARM DOSING TIME

MINUTES

110

2.5

7.5

SET pH

ALARM

LINE

FRONTPANEL

Left panel

1. Liquid Crystal Display

2. Slope calibration trimmer

3. Finesetpoint trimmer

4. Coarsesetpointtrimmer

5. Offsetcalibrationtrimmer

6. Dosing LED visual signal

7. READ for actual measurement and SET for setpoint

adjustment

8. AcidorAlkaline Dosage selection

9. Alarm LED and switch to disable the alarm

10. Graded dial for Manual Temperature Compensation

11. Overdosage timer

12. Proportional pH band and time cycle settings

Right panel

13. pH alarm setting from 0 to 2 pH

14. Short the terminals if a ground probe is not in use, or

connect the ground probe wire to the Matching Pin terminal

15. Three-wire Pt 100 plus a shield protection

Unplug the instrument from the power supply before

wiring and replacing the fuses.

24 25

24. Female BNCsocket for combinationpH electrode

25. 4-mm Banana socket for ground probe

16. Recorderoutputcontacts

17. Automatic or Manual Temperature Compensation switch

18. 0 to 20 or 4 to 20 mA isolated output switch

19. Triple contact alarm in a Normally Closed (NC) or a Normally

Open (NO) position.

20. Powered dosageterminals (Relay)

21. 110/115Vor220/240Vpowerconfiguration

22. Incomingpowerterminals

23. Fuses

BOTTOM VIEW

Specifications HI9910

RANGE 0.00to14.00pH

RESOLUTION 0.01pH

ACCURACY ±0.02 pH

(@20°C/68°F)

TYPICALEMC ±0.1 pH

DEVIATION

mAOUTPUT User-selectable0 to20 mA or4 to 20mA

over the 0-14 pH range with isolated output

CALIBRATION Through "OFFSET" and "SLOPE" trimmers

(Max. ±1.5 pH for offset and 80% to 110% for slope)

SETPOINT From0.00to14.00pH with"COARSE" and"FINE"

RANGE trimmers with "ACID" or "ALK" (alkaline) selection

PROPORTIONAL pH is user adjustable from 0.0 to 2.0 and

CONTROL timecyclefrom 0to 90seconds

DOSINGTERMINALS Relayterminals(115to240V,Max.2A,1,000,000

strokes)areactivated whenpH exceedsthe setpointwith

“ACID”dosageor fallsbelow thesetpoint with“ALK”

selection(Alkalinedosage)

ENVIRONMENT -10 to 50 °C (14 to 122 °F)

max. 95% RH non-condensing

WEIGHT 1.6Kg (3.5lb.)

ENCLOSURE 181x221x142mm(7.1x8.7x5.6")

CASE MATERIAL Fiber-reinforced, self-extinguishing ABS

POWER SUPPLY 220/240Vor110/115Vat50/60Hz

TEMPERATURE

COMPENSATION Manual from -10 to 80 °C (14 to 176 °F) or

automatic with a 3-wire Pt 100 probe from 0 to 50

°C (32 to 122 °F)

ALARM

CONTACT Terminals can be configured as normally open or

normallyclosed (isolatedoutput Max. 2A,Max.240V,

resistiveload, 1,000,000strokes). Thealarmis

activated if pH varies by more than user-selectable

interval(0to2pH)fromsetpoint ordue tooverdosage

FUNCTIONAL DIAGRAM HI 9911FUNCTIONAL DIAGRAM HI 9911

FUNCTIONAL DIAGRAM HI 9911

DUAL SETPOINT,DUAL SETPOINT,

DUAL SETPOINT, pHpH

pHpH

pH CONTROLLERCONTROLLER

CONTROLLERCONTROLLER

CONTROLLER

0SECONDS

pH 2.0 0

TIMER

MINUTES

0.5

1.5

COARSE FINE SLOPEOFFSET

ALKALINE SET

ACID SET

PROPORTIONAL SETTINGS

110

2.5

7.5

ACID

ALARM

OFF

SET

READ

ACID

ALK

ACID

FEED

ALK

MTC

°C

-10 80

20 60

40 50

110

2.5 57.5

ALK

HI 9911

ALARM

MTC ATC

mA OUTPUT

TEMP. COMP.

4/20 0/20

SET ACID

ALARM

LINE

SET ALK

FRONTPANEL

Left panel

1. Liquid Crystal Display

2. Slope calibration trimmer

3. Fine setpoint trimmers for acid and alkaline feed

4. Coarse setpoint trimmers for acid and alkaline feed

5. Offsetcalibrationtrimmer

6. Dosing LED signals for acid and alkaline feed

7. READ for actual measurement and SET for setpoint

adjustment

8. AcidorAlkaline selection for setpoint

9. Alarm LED and switch to disable the alarm

10. Graded dial for Manual Temperature Compensation

11. Two independentoverdosage timers

12. Proportional pH band and time cycle settings

Right panel

13. pH alarm setting from 0 to 2 pH

14. Short the terminals if a ground probe is not in use, or

connect the ground probe wire to the Matching Pin terminal

15. Three-wire Pt 100 plus a shield protection

16. Recorderoutputcontacts

17. Automatic or Manual Temperature Compensation switch

Unplug the instrument from the power supply before

wiring and replacing the fuses.

24 25

24. Female BNCsocket for combinationpH electrode

25. 4-mm Banana socket for ground probe

18. 0 to 20 or 4 to 20 mA isolated output switch

19. Triple contact alarm in a Normally Closed (NC) or a Normally

Open (NO) position.

20. Powered dosageterminals (Relays)

21. 110/115Vor220/240Vpowerconfiguration

22. Incomingpowerterminals

23. Fuses

BOTTOMCONNECTION

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