Hanna Instruments HI 8410 Manuale utente

Instruction ManualInstruction Manual

Instruction Manual

HII

I84108410

84108410

8410

Dissolved OxygenDissolved Oxygen

Dissolved Oxygen

Process Controllerrocess Controller

rocess Controllerrocess Controller

rocess Controller

www.hannainst.comwww.hannainst.com

www.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 [email protected][email protected]

[email protected][email protected]

[email protected]

These instruments are in compliance with the directives.

TABLE OF CONTENTSTABLE OF CONTENTS

TABLE OF CONTENTS

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

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

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

D.O. 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

GENERAL DESCRIPTIONGENERAL DESCRIPTION

GENERAL DESCRIPTION

Remove the instrument from the packing material and examine it care-

fully 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.

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 accor-

dance with the selection switch on the front 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 solu-

bility 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 pro-

vide 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 HI76410/4or HI 76410/10 galvanic probes.

The D.O. probe is provided with a membrane covering the galvanic sen-

sor and a built-in thermistor for temperature measurement and compen-

sation. 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 configura-

tion; 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 HII

I84108410

84108410

8410

KEYPAD

MEASURE Toreadmeasurementsandenablediagnostictests

ΔALARM To display and set the tolerance of the alarm

SET To display and set the working dosing point

SALINITY g/L Todisplayandsetthesalinityfactor(activeonly

in mg/L range)

TEST 100% Diagnosticfunction(activeonlyin%DOrange)

°C To display the temperature reading

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

the function is active.

TRIMMERS

CAL For 100% D.O. 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 D.O. is displayed in % of

saturation

mg/L To indicate that the D.O. 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

% DO/mg/L To select % DO saturation or mg/L range

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.

REAR PANEL OF HI 8410

1. DO probe connection terminals

2. SET terminals for connection to a dosing pump

3. ALARM terminals for connection to an external alarm device

4. Power supply terminals

5. Fuse holder

6. mA OUTPUT terminals for connection to a recorder

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

8. Disable overtime dosing connection

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

MECHANICAL DIMENSIONS

OF HI8410

Front view of the panel-mounted unit

These dimensions show the cutout size for the installation.

Side view of the panel-mounted unit

Adjustable location brackets (supplied with the meter) allow the indicator

to slide into the cutout and will hold the unit securely in place. 190 mm

(7.50") is the minimum amount of room required to install the indicator

with the cables connected.

All Hanna D.O. probes are shipped dry. To hydrate the probe and prepare

it for use proceed as follows:

1. Remove the black & red plastic cap. This cap is used for ship-

ping purposes only and can be thrown away.

2. Insert the supplied O-ring in the membrane

(see figure).

3. Rinse the supplied membrane (HI 76410A) with electrolyte

while shaking it gently. Refill with clean electrolyte. Gently tap

the membrane over a surface to ensure that no air bubbles

remain trapped. To avoid damaging the membrane, do not

touch it with your fingers.

4. With the sensor facing down screw the cap clockwise to the end

of the threads. Some electrolyte will overflow.

D.O. PROBESD.O. PROBES

D.O. PROBES

0.0 to 50.0 mg/L (ppm) O2

0 to 600 % O2

-5.0 to 50.0 °C

0.1 mg/L or 1% (O2) / 0.1 °C

±1% of reading (O2) / ±0.2 °C

Manual, one point, in saturated air

Automatic, from -5 to 50°C (23 to 122 °F)

0 to 51 g/L (resolution 1 g/L)

HI 76410/4 with 4 m cable or

HI 76410/10 with 10 m cable

0 to 20 mA or 4 to 20 mA (isolated)

1, Isolated, 2A, Max. 240V, resistive load,

1,000,000 strokes

1 to 600 % O2

0.1to 50.0 mg/L (ppm) O2

1.0 to 5.0 mg/L (ppm) O2

0.5 to 2.4 mg/L (ppm) O2

OFF/AUTO/ON with selection switch

Adjustable, from 5 min to 60 min with knob or

Disable by wire strap - on rear panel

Continuous ON

115 or 230 Vac ±10%

(user selectable); 60/50 Hz

Black anodized aluminum body;

front and back with ABS;

transparent splash-proof front cover

-10 to 50°C (14 to 122°F); RH 95%

141 x 69 mm (5.6 x 2.7")

1 kg (2.2 lb.)

Range

Resolution

Accuracy

Calibration

Temp. Compensation

Salinity Compensation

Probe (not included)

Recorder Output

Setpoint Relay and

Alarm Relay

Setpoint Range

Alarm Range

Hysteresis Range

Dosing Control

Over Dosing Control

Backlight

Power Supply

Enclosure

Environment

Panel Cutout

Weight

SPECIFICATIONS HSPECIFICATIONS H

SPECIFICATIONS HII

I84108410

84108410

8410

•Recorder Output (terminals 1, 2, 3)

These contacts are used for connec-

tion to a recorder output. The output

can be 0-20 mA or 4-20 mA and is pro-

portional to the measured Dissolved

Oxygen values.

Connect the “+” wire from the recorder to terminal 1 on the instru-

ment and the other wire (common) to terminal 2 for 4-20 mA re-

corder output or terminal 3 for 0-20 mA recorder output.

Note:Only one recorder output connection is permited. In order to avoid

malfunction leave unconnected the unused terminal.

REAR CONNECTIONS FOR HI 8410

• Power Connection Terminals

4-screw-terminal-strip for connection

to a 3-wire power cable according to

the indicated voltage (115 or 230V).

• Probe connection

For connection of the HI76410 DO

probe. Connect the wires according with

the indicated color.

• Set Contacts

Dosing pumps or other control equip-

ment may be connected to the "SET"

(Max. 2A, 240 V) terminals (1, 2).

These contacts act only as a "dry"

switch allowing electrical continuity,

not as a power supply.

CONNECTIONSCONNECTIONS

CONNECTIONS

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