Hanna Instruments HI 8410 Manual de usuario
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Instruction ManualInstruction Manual
Instruction ManualInstruction Manual
Instruction Manual
HH
HH
HII
II
I84108410
84108410
8410
Dissolved OxygenDissolved Oxygen
Dissolved OxygenDissolved Oxygen
Dissolved Oxygen
PP
PP
Process Controllerrocess Controller
rocess Controllerrocess Controller
rocess Controller
www.hannainst.comwww.hannainst.com
www.hannainst.comwww.hannainst.com
www.hannainst.com
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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
These instruments are in compliance with the directives.
TABLE OF CONTENTSTABLE OF CONTENTS
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
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PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATION
PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATION
PRELIMINARY EXAMINATION
GENERAL DESCRIPTIONGENERAL DESCRIPTION
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.
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FUNCTIONAL DESCRIPTION HFUNCTIONAL DESCRIPTION H
FUNCTIONAL DESCRIPTION HFUNCTIONAL DESCRIPTION H
FUNCTIONAL DESCRIPTION HII
II
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
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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
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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)
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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.
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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. PROBESD.O. PROBES
D.O. PROBES
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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 HSPECIFICATIONS H
SPECIFICATIONS HII
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I84108410
84108410
8410
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•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
CONNECTIONSCONNECTIONS
CONNECTIONS
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