User Guide

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OPERATIONAL GUIDEOPERATIONAL GUIDE

OPERATIONAL GUIDE

POWER CONNECTION

HI 983315-0 and HI 98331500HI 983315-0 and HI 98331500

HI 983315-0 and HI 98331500

Connect a 2-wire power cable to the terminal strip while

paying attention to the correct positive and negative polari-

ties (12 VDC).

HI 983315-1HI 983315-1

HI 983315-1

Connect a 3-wire power cable to the terminal strip while

paying attention to the correct earth, neutral and line

contacts (115/230 VAC).

ALARM CONTACT

Use this contact (maximum 5A, 240VAC, 30VDC) for connec-

tion to an alarm or dosing system. The unit acts as a switch

to control an external device.

Notes:Notes:

Notes:

• All external cables connected to the rear panel should

end with wire lugs.

• It is recommended to cover the unused terminals with

insulating tape.

• At start up the meter needs a few seconds to stabilize.

Wait until a stable reading is displayed.

ACCESSORIESACCESSORIES

ACCESSORIES

HI 7634-00 EC/TDS probe

HI 70033P 84 µS/cm Calibration solution, 20mL

HI 7033M 84 µS/cm Calibration solution, 230mL

HI 7033L 84 µS/cm Calibration solution, 460mL

HI 7061M Electrode cleaning solution, 230 mL

HI 710005 12 VDC power adapter, US plug

HI 710006 12 VDC power adapter, European plug

HI 710012 12 VDC power adapter, Australian plug

HI 710013 12 VDC power adapter, South African plug

HI 710014 12 VDC power adapter, UK plug

HI 731326 Calibration Screwdriver (20 pcs)

CALIBRATION

Make sure the meter is in the measurement mode (the

“MEAS” LED lights on).

Immerse the probe in HI 7033 (84 µS/cm) calibration

solution.

Shake briefly and wait for reading to stabilize.

Using a small screwdriver adjust the calibration trimmer

until the meter displays “42” ppm.

SETPOINT

Press the “SET” key. The display will show the default or

previously adjusted value for the setpoint.

Using a small screwdriver, adjust the “SET” trimmer until

the required limit value is displayed.

PROBE MAINTENANCE

To improve probe performance and prolong its life, it is

recommended to clean it regularly.

• Immerse the tip of the probe in HI 7061 Cleaning

Solution at least for one hour.

• If a more thorough cleaning is required, brush the

metal pins with very fine sandpaper.

• After cleaning, rinse the probe with tap water and

recalibrate the meter.

• When not in use, clean the probe before storing it.

Front view of the

panel-mounted unit

Side view of the

panel-mounted unit

Adjustable location brack-

ets (supplied with the

meter) allow the controller

to slide into the cutout and

will hold the unit securely

in place. 95 mm (3.74") is

the minimum amount of

space required to install

the controller.

Panel-mounted

unit assembling

view

73mm

2.87"

79mm

3.11"

42mm

1.65"

49mm

1.93"

95mm MIN

3.74"

76mm

0.25/4mm

0.01/0.160"

79mm

3.11"

ADJUSTABLE

LOCATION

BRACKET

HI983315 LAYOUTHI983315 LAYOUT

HI983315 LAYOUT

HI 740146

FUNCTIONAL DESCRIPTIONFUNCTIONAL DESCRIPTION

FUNCTIONAL DESCRIPTION

FRONT PANELFRONT PANEL

FRONT PANEL

Keypad

SETSET

SET To display setpoint

MEASMEAS

MEAS To display measure-

ment

Trimmers

CALCAL

CAL For calibration

SETSET

SET To adjust setpoint

LEDs

SETSET

SET ON when the LCD

displays set value

MEASMEAS

MEAS ON when the LCD displays measured value

ALARMALARM

ALARM ON when the alarm contact is closed

REAR PANELREAR PANEL

REAR PANEL

1. Power Supply:

HI 983315-0 HI 983315-0

HI 983315-0

HI 983315-1 HI 983315-1

HI 983315-1

HI 98331500 HI 98331500

HI 98331500

12 VDC 115/230 VAC 12 VDC 115/230 VAC

12 VDC 115/230 VAC

L1:L1:

L1: Positive 230 VAC

L2:L2:

L2: Negative 115 VAC

L3:L3:

L3: --- Neutral

L4:L4:

L4: --- Protection Earth

NoteNote

Note

: :

: the power input is internally protected by a 400 mA fuse

Alarm Contact: A1, A2.

Probe Connection: follow the above diagram and connect the

colored wires of probe cable as indicated. It is recommended

to connect the shield (P5) to avoid any interference.

OPERATING THE METER

All operations can be controlled via front panel keys and

trimmers.

“SET” and “MEAS” LEDs light up to indicate which is the

operating function.

Make sure that the meter is calibrated and the Setpoint is

properly selected before performing any measurement.

Attach the probe to the meter. Install the probe in the

fittings or immerse it in the solution to be monitored, while

making sure that metal pins are completely submerged.

Press the “MEAS” key.

The LCD will show the TDS value of the solution in ppm unit.

Any initial variation on readings may be due to tempera-

ture compensation.

The “ALARM” LED will light up when the alarm contact is

closed, to indicate a TDS value higher than selected setpoint.