Hanna Instruments HI 9910 Bedienungsanleitung

Instruction Manual

HI9910 • HI9911

HI9920

Wall Mounted

pH & ORP

Controllers

www.hannainst.com

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

GENERAL DESCRIPTION.................................................................3

MECHANICAL LAYOUTS..................................................................4

HI9910 FUNCTIONAL DESCRIPTION & SPECIFICATIONS...................6

HI9911 FUNCTIONAL DESCRIPTION & SPECIFICATIONS...................8

HI9920 FUNCTIONAL DESCRIPTION & SPECIFICATIONS.................10

CONNECTIONS & WIRING............................................................12

pH CALIBRATION .......................................................................16

ORP CALIBRATION .....................................................................18

SETPOINT ADJUSTMENT..............................................................19

TAKING MEASUREMENT ..............................................................22

PROPORTIONAL CONTROL............................................................23

OVERDOSAGE TIMER...................................................................25

pH VALUES AT VARIOUS TEMPERATURES.....................................25

REDOX MEASUREMENT (HI9920 only).........................................26

SUGGESTED INSTALLATIONS FOR pH/ORP ELECTRODES.................28

ACCESSORIES.............................................................................29

TABLE OF CONTENTS

Dear Customer,

Thank you for choosing a Hanna Instruments®product.

Please read this instruction manual carefully before using the instrument.

This manual will provide you with the necessary information for correct

operations. If you need more technical information, do not hesitate to

e-mail us at [email protected].

These instruments are in compliance with the directives.

WARRANTY

All Hanna Instruments Office controllers are warranted for two years

against defects in workmanship and materials when used for their intended

purpose and maintained according to instructions. Electrodes and probes are

warranted for six months.

Damages due to accidents, misuse, tampering or lack of prescribed maintenance

are not covered. This warranty is limited to free of charge repair or replacement

of the meter only, if any malfunctioning is due to manufacturing defects.

If service is required, contact your local Hanna Instruments Office. If under

warranty, report the model number, date of purchase, serial number and

the nature of the problem. If the repair is not covered by the warranty, you

will be notified of the charges incurred. If the instrument is to be returned

to Hanna Instruments, first obtain a Returned Goods Authorization Number

from the Customer Service department and then send it with shipment costs

prepaid. When shipping any instrument, make sure it is properly packaged

for complete protection.

PRELIMINARY EXAMINATION

GENERAL DESCRIPTION

Remove the instrument from the packing material and examine it

carefully to make sure that no damage has occurred during ship-

ping. If there is any noticeable damage, please contact your local

Hanna Instruments Office.

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.

Warning:

• 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.

• The main power line of the instruments is protected by a 400 mA

fuse, while the dosage and alarm terminals are protected by separate

2 A fuses. Use only the specified fuses for replacement.

HI9910, HI9911 and HI9920 are wall-mounted pH and ORP regulators

designed to meet a variety of process control requirements.

The electrode can be installed by simply plugging it to the universal

BNC socket on the bottom of the meter.

These instruments also incorporate a triple contact alarm system for

triggering an external control, as a buzzer, light or any other electrical

device.

To avoid any interference, the recorder output terminals are isolated

from the controller circuitry, and 0-20 or 4-20 mA output can be

select by the user.

The housing is built for last with a rugged, modular, fiber-reinforced

ABS material.

Choose the controller which better meets your needs among HI9910

(single setpoint pH regulator), HI9911 (dual setpoint pH regulator) or

HI9920 (single setpoint ORP regulator).

Each model is available in three versions, according to different power

supply requirement: 115 Vac, 230 Vac or 100 Vac.

MECHANICAL LAYOUTS

Fig.3

Figure 3: Dimensioned bottom view.

Figure 2: Controls and terminals of the HI9910 pH controller.

Layouts vary according to model.

Fig.2

Fig.1

Figure 1: BNC plug for electrode and wiring access ports.

Fig.4

Figure 4: Dimensioned front view. The molded, mounting holes in

the four corners provide for quick and secure installation.

No additional hardware is needed for mounting. All electri-

cal connections and controls are located on the front of the

instrument, so that any adjustment can be made without

needing to remove the unit.

HI9910 FUNCTIONAL DESCRIPTION

1. Liquid Crystal Display

2. Slope calibration trimmer

3. Setpoint trimmer for Fine adjustment

4. Setpoint trimmer for Coarse adjustment

5. Offset calibration trimmer

6. Dosing LED

7. READ/SET switch for selecting normal measurement or setpoint

adjustment mode

8. Acid/Alkaline Dosage selection switch

9. Alarm LED and switch to disable the alarm

10. Manual Temperature Compensation knob

11. Overdosage timer knob

12. Proportional pH band and time cycle settings knobs

13. pH ∆Alarm setting trimmer (from 0.5 to 2.5 pH)

14. Short these terminals if no ground probe is used, or wire the

ground probe to the Matching Pin terminal

15. Pt100 probe terminals

16. Recorder output contacts

17. Automatic or Manual Temperature Compensation selection switch

18. 0-20 mA or 4-20 mA isolated output selection switch

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

Open (NO) position (2 A fuse protected)

20. Powered dosage terminals (Relay, 2 A fuse protected)

21. Power supply terminals (400 mA fuse protected)

HI9910 SPECIFICATIONS

Unplug the instrument from the power supply before

wiring or replacing the fuses.

RANGE 0.00 to 14.00 pH

RESOLUTION 0.01 pH

ACCURACY

(@25 °C/77 °F) ±0.02 pH

TYPICAL EMC DEV. ±0.1 pH

mA OUTPUT User-selectable, 0-20 mA or 4-20 mA

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)

TEMPERATURE

COMPENSATION

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

Automatic with a 3-wire Pt100 probe from 0 to 50 °C

(32 to 122 °F)

SETPOINT RANGE From 0.00 to 14.00 pH with 2 trimmers: “COARSE”

for approx. regulation, “FINE” for fine tuning

PROPORTIONAL

CONTROL

pH is user adjustable from 0 to 2.0 and

time cycle from 0 to 90 seconds

ALARM CONTACT

Terminals can be configured as Normally Open or Nor-

mally Closed (isolated output Max. 2A/250Vac/30Vdc,

resistive load, 1.000.000 strokes). The alarm is activated

if pH varies by more than user-selectable interval (0.5 to

2.5 pH) from setpoint or due to overdosage

DOSING TERMINALS

Relay terminals (Max. 2A/250Vac/30Vdc, resistive load,

1.000.000 strokes) are activated whenever pH exceeds

the “ACID” setpoint (Acid dosage) or falls below the

“ALK” setpoint (Alkaline dosage)

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

RH 95% non-condensing

CASE MATERIAL Fiber-reinforced, flame-retardant ABS

POWER SUPPLY

HI9910-1 : 115 Vac, 60 Hz

HI9910-2 : 230 Vac, 50 Hz

HI9910-3 : 100 Vac, 50/60 Hz

ENCLOSURE 181 x 221 x 142 mm (7.1 x 8.7 x 5.6”)

WEIGHT 1.6 kg (3.5 lb.)

HI9911 FUNCTIONAL DESCRIPTION

1. Liquid Crystal Display

2. Slope calibration trimmer

3. Setpoint trimmers for acid and alkaline feed, Fine tuning

4. Setpoint trimmers for acid and alkaline feed, Coarse adjustment

5. Offset calibration trimmer

6. Dosing LED’s for acid and alkaline feed

7. READ/SET switch for selecting normal measurement or setpoint

adjustment mode

8. Acid/Alkaline setpoint selection switch

9. Alarm LED and switch to disable the alarm

10. Manual Temperature Compensation knob

11. Two independent overdosage timers knobs

12. Proportional pH band and time cycle settings knobs

13. pH ∆Alarm setting trimmer (from 0.5 to 2.5 pH)

14. Short these terminals if no ground probe is used, or wire the

ground probe to the Matching Pin terminal

15. Pt100 probe terminals

16. Recorder output contacts

17. Automatic or Manual Temperature Compensation selection switch

18. 0-20 mA or 4-20 mA isolated output selection switch

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

Open (NO) position (2 A fuse protected)

20. Powered dosage terminals (Relay, 2 A fuse protected)

21. Power supply terminals (400 mA fuse protected)

HI9911 SPECIFICATIONS

Unplug the instrument from the power supply before

wiring or replacing the fuses.

RANGE 0.00 to 14.00 pH

RESOLUTION 0.01 pH

ACCURACY

(@25 °C/77 °F) ±0.02 pH

TYPICAL EMC DEV. ±0.1 pH

mA OUTPUT User-selectable, 0-20 mA or 4-20 mA

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)

TEMPERATURE

COMPENSATION

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

Automatic with a 3-wire Pt100 probe from 0 to 50 °C

(32 to 122 °F)

SETPOINT RANGE From 0.00 to 14.00 pH with 2 trimmers: “COARSE”

for approx. regulation, “FINE” for fine tuning

PROPORTIONAL

CONTROL

pH is user adjustable from 0 to 2.0 and

time cycle from 0 to 90 seconds

ALARM CONTACT

Terminals can be configured as Normally Open or Nor-

mally Closed (isolated output Max. 2A/250Vac/30Vdc,

resistive load, 1.000.000 strokes). The alarm is activated

if pH varies by more than user-selectable interval (0.5 to

2.5 pH) from setpoint or due to overdosage

DOSING TERMINALS

Two sets of independent relay terminals (Max.

2A/250Vac/30Vdc, resistive load, 1.000.000 strokes)

are activated whenever pH exceeds the “ACID” setpoint

(Acid dosage) or falls below the “ALK” setpoint (Alkaline

dosage)

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

RH 95% non-condensing

CASE MATERIAL Fiber-reinforced, flame-retardant ABS

POWER SUPPLY

HI9911-1 : 115 Vac, 60 Hz

HI9911-2 : 230 Vac, 50 Hz

HI9911-3 : 100 Vac, 50/60 Hz

ENCLOSURE 181 x 221 x 142 mm (7.1 x 8.7 x 5.6”)

WEIGHT 1.6 kg (3.5 lb.)

HI9920 FUNCTIONAL DESCRIPTION

1. Liquid Crystal Display

2. Setpoint trimmer for Fine adjustment

3. Setpoint trimmer for Coarse adjustment

4. Calibration trimmer

5. Dosing LED

6. READ/SET switch for selecting normal measurement or setpoint

adjustment mode

7. Oxidization/Reduction Dosage selection switch

8. Alarm LED and switch to disable the alarm

9. Overdosage timer knob

10. Proportional ORP band and time cycle settings knobs

11. ORP ∆Alarm setting trimmer (from 50 to 250 mV)

12. Short these terminals if no ground probe is used, or wire the

ground probe to the Matching Pin terminal

13. Recorder output contacts

14. 0-20 mA or 4-20 mA isolated output selection switch

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

Open (NO) position (2 A fuse protected)

16. Powered dosage terminals (Relay, 2 A fuse protected)

17. Power supply terminals (400 mA fuse protected)

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