Hanna Instruments hi 983305 Manuel D’Utilisation

SPECIFICATIONS

Range

0 to 20 µS/cm (EC)

Accuracy (@ 25°C/77°F)

±2% f.s.

Typical EMC Deviation

±2% f.s.

Temperature

Automatic from 5 to 50°C (41 to 122°F)

Compensation

with ß = 2.4%

Setpoint

1 to 5 µS/cm

Hysteresis

1 µS/cm over setpoint

Alarm

LED blinks and relay is activated when

EC value is 1 µS/cm higher than setpoint

Relay

SPST NC contact output, 0.5A 30VDC/48VAC max,

resistive load, 100,000 strokes

Probe

HI 7631/2 EC probe (included)

Casing

IP54

Power supply

External 12 VDC (included)

Dimensions

86 x 94 x 33 mm (3.4 x 3.7 x 1.3”)

Weight

150 g (5.3 oz.)

OPERATIONAL GUIDE

• Turn the meter on by connecting the 12 VDC power

adapter to the meter and to the mains.

• Immerse the EC probe in the solution,

making sure that metal pins are com-
pletely submerged.

Note: In order not to affect the accuracy of

measurements, it is important that the
probe body does not touch nor stand
close to the side walls of the vessel. The tip
may lay on the bottom of the beaker.

• Adjust the setpoint knob to the desired

value in the range 1 to 5 µS/cm.

• When the EC reading becomes 1

µS/cm higher than setpoint, the
red alarm LED will blink and output relay is activated.

Note: During alarm condition the relay is de-energized (the

alarm contacts are open). When not in alarm condition,
the relay is energized (the alarm contacts close). If the
power supply is interrupted, the relay is de-energized as

ACCESSORIES

HI 7631/2 EC “flow thru” probe with ½”NPT thread, ATC

and 2 m (6.6’) cable

HI 7061L Electrode cleaning solution, 460 mL bottle

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, Southern Africa plug

HI 710014 12 VDC power adapter, UK plug

if in alarm condition to alert the operator.

PROBE MAINTENANCE

This meter does not need probe cleaning when used in pure
water applications. If the probe needs to be cleaned, the
following procedure should be performed.
• Immerse the tip of the electrode in HI 7061 Cleaning

Solution for one hour.

• If a more thorough cleaning is required, brush the metal

pins with very fine sandpaper.

• After cleaning or when not in use, rinse the probe with

tap water.

CE DECLARATION OF CONFORMITY

Recommendations for Users

Before using these products, make sure

that they are entirely suitable for the envi-

ronment in which they are used. Operation

of these instruments in residential areas

could cause unacceptable interferences to

radio and TV equipment. The metal band at

the end of the probe is sensitive to electro-

static discharges. Avoid touching this metal

band at all times.

During operation, ESD wrist straps should be

worn to avoid possible damage to the probe by

electrostatic discharges. Any variation intro-

duced by the user to the supplied equipment

may degrade the instrument’s EMC performance.

To avoid electrical shock, do not use these in-

struments when voltages at the measurement

surface exceed 24 VAC or 60 VDC. Use plastic

beakers to minimize any EMC interferences. To

avoid damages or burns, do not perform any measurement in microwave ovens.

WARRANTY

HI983305 is warranted for two years against defects in workmanship and materials when

used for its intended purpose and maintained according to instructions. The probe is war-

ranted for a period of one year. This warranty is limited to repair or replacement free of

charge.

Damages due to accident, misuse, tampering or lack of prescribed maintenance are not covered.

If service is required, contact the dealer from whom you purchased the instrument. If under

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

failure. 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 Authoriza-

tion 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.

To validate your warranty, fill out and return the enclosed warranty card within 14 days from the

date of purchase.
All rights are reserved. Reproduction in whole or in part is prohibited without the written consent

of the copyright owner, Hanna Instruments Inc., Woonsocket, Rhode Island, 02895 , USA.

S983305R1 06/98

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