Hanna Instruments HI 8410 User Manual

Instruction ManualInstruction Manual

Instruction Manual

Instruction ManualInstruction Manual

84108410

8410

84108410

Dissolved OxygenDissolved Oxygen

Dissolved Oxygen

Dissolved OxygenDissolved Oxygen

rocess Controllerrocess Controller

rocess Controller

rocess Controllerrocess Controller

www.hannainst.comwww.hannainst.com

www.hannainst.com

www.hannainst.comwww.hannainst.com

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 all the necessary information for correct use of the instruments, as well as a precise idea of thier versatility in a wide range of applications. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst.com.

TABLE OF CONTENTSTABLE OF CONTENTS

TABLE OF CONTENTS

TABLE OF CONTENTSTABLE OF CONTENTS

Preliminary Examination ............................................................. 3

General Description .................................................................... 3

Functional Description HI 8410 ................................................... 4

DO Probes ................................................................................. 8

Specifications HI 8410 ............................................................... 9

Connections ............................................................................. 10

Operational Guide .................................................................... 12

Taking Measurements with HI 8410 .......................................... 15

Calibration Procedure ................................................................ 16

Diagnostic Tests ....................................................................... 16

LED Indication ......................................................................... 17

Probe Maintenance & Cleaning .................................................. 18

Accessories .............................................................................. 18

Warranty ................................................................................. 19

PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATION

PRELIMINARY EXAMINATION

PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATION

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 damage, notify your dealer.

The meter is supplied complete with

• Mounting brackets

• Transport splash-proof cover

• Instructions manual.

Note: Conserve all packing material until the instrument has been

observed to function correctly. Any defective item must be returned in its original packing.

GENERAL DESCRIPTIONGENERAL DESCRIPTION

GENERAL DESCRIPTION

GENERAL DESCRIPTIONGENERAL DESCRIPTION

HI 8410 is a panel-mounted DO controller designed for simplicity of

use in a wide range of industrial process applications. Dissolved Oxygen is indicated in mg/L (ppm) or in % of saturation in

accordance with the selection switch on the back panel. The temperature can be measured in the range from -5 to 50 °C. The Dissolved Oxygen readings are automatically compensated for the temperature effects on the oxygen solubility and membrane permeability. Moreover, the salinity compensation feature allows the determination of Dissolved Oxygen even in salty waters.

The instruments are designed with a standard DIN panel mount with membrane keypads and large LCD with backlight on the front, and provide a series of auto-diagnostic functions.

Probes, power supply, contacts and recorders are connected on the rear panel through screw terminals.

For control applications use the HI 76409/4 or HI 76409/10 galvanic probes. The DO probe is provided with a membrane covering the galvanic sensor

and a built-in thermistor for temperature measurement and compensation. The Oxygen that passes through the membrane causes an electric current flow, from which the oxygen concentration is determined.

Other features include: recorder output in 0-20 mA or 4-20 mA configuration; LED indicators which identify whether the controller is in operation mode or setup selection mode; overtime control function; hysteresis setting.

The instrument is supplied with a plastic front cover and two mounting brackets. Power cables are not included.

Note: In order to avoid erroneous readings never use both 0-20 mA

and 4-20 mA recorder outputs at the same time.

FUNCTIONAL DESCRIPTION HFUNCTIONAL DESCRIPTION H

FUNCTIONAL DESCRIPTION H

FUNCTIONAL DESCRIPTION HFUNCTIONAL DESCRIPTION H

KEYPAD MEASURE To read measurements and enable diagnostic tests

ΔALARM To display and set the tolerance of the alarm SET To display and set the working dosing point SALINITY g/L To display and set the salinity factor (active only

in mg/L range)

CAL To enter in calibration mode 100% TEST Diagnostic function (active only in % DO range) °C To display the temperature reading

When a key is pressed, the corresponding LED lights up to indicate that the function is active.

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TRIMMERS CAL For 100% DO calibration

SALINITY To set the salinity concentration (g/L) ΔALARM To set the alarm tolerance SET COARSE To coarsely adjust the set point SET FINE To finely adjust the set point

LEDS % DO To indicate that the DO is displayed in % of

saturation

mg/L To indicate that the DO is displayed in mg/L SET To indicate that the dosage is active ΔALARM To indicate an alarm condition DOSAGE MODE SWITCH To indicate that the continuous ON or OFF

mode is selected from dosing switch

SWITCHES OFF/AUTO/ON To select the dosing mode:

• OFF - dosing is disabled

• AUTO - automatic dosage, depending on

setpoint and reading values

• ON - dosing always active

REAR PANEL OF HI 8410

1. DO probe connection terminals

2. Range selection: mg/L or % DO

3. SET terminals for connection to a dosing pump

4. ALARM terminals for connection to an external alarm device

5. Power supply terminals

6. Fuse holder

7. mA OUTPUT terminals for connection to a recorder

8. Hysteresis set knob (0.5 to 2.4 mg/L)

9. Disable overtime dosing connection

10. Overtime dosing set knob (about 5 to 60 min)

Unplug the instrument from power supply before replacing the fuse. Only one of recorder output connections (0-20 mA or 4-20 mA) can

be used at a moment. Leave unconnected the unused terminal.

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