Hanna Instruments HI 98203 User Manual
SALINTEST
HI98203
Salinity Concentration
Pocket-sized Meter
GENERAL INFORMATION:
The SALINTEST utilizes a sodium ion-selective glass
electrode to determine the activity of sodium ions in
solution.
When dissolved, NaCl ionizes to form Na+ and Cl
ions.
Measurement of concentration of the Na+ ions is an
indicator of the concentration of NaCl.
The relationship between the SALINTEST reading
and the g/L NaCl scale is shown in the logaritmic
chart below.
A double junction reference is used to ensure a
highly stable reading.
If you suspect that the calibration has drifted, you
ca recalibrate by using HI7081 or a solution of
known concentration (adjust the reading with the
calibration trimmer).
HOW TO USE THE CHART:
• Locate the pNa reading on the horizontal axis of
the chart.
• Move vertically upwards to intersect with the 45º
line.
• Move horizontally and read the g/L NaCl value.
E.g. Display = 0.42
g/L NaCl = 22
OPERATION:
-
• Remove the protective cap and turn
the meter on with the ON/OFF
switch located on the top.
• Immerse it into solution to be tested
without exceeding the maximum
immersion level.
• Stir gently and wait for the reading to stabilize.
• Read the value on display and use
the chart to convert the reading to
g/L NaCl.
• After use, switch the meter off and
rinse the electrode with water to
minimize contamination. Always replace the protective cap after use.
• Large differences in pNa readings (±0.1) could
be due to a dry electrode or lack in calibration.
• To improve performance, leave the meter in
HI7081 solution for a few minutes at least once a
week.
Manufacturers since 1978
SALINTEST
HI98203
Salinity Concentration
Pocket-sized Meter
SPECIFICATIONS:
RANGE 0.00 to 1.00 pNaCl
(58.4 to 5.84 g/L NaCl)
RESOLUTION 0.01 pNaCl
ACCURACY (@20°C/68°F) ±0.02 pNaCl
TYPICAL EMC DEVIATION ±0.04 pNaCl
ENVIRONMENT 0 to 50C (32 to 122F); 95% RH
BATTERY TYPE 4 x 1.5V alkaline (included)
BATTERY LIFE approx. 500 hours of continuous use
DIMENSIONS 175x41x23 mm (7.9x1.8x1")
WEIGHT 78 g (2.7 oz.)
ACCESSORIES:
HI 7081L 30 g/L NaCl solution (460 mL bottle)
HI 7081M 30 g/L NaCl solution (230 mL bottle)
HI 7061M Electrode cleaning solution
(230 mL bottle)
HI 73202 Spare electrode
HI 731326 Calibration screwdriver (20 pcs)
ONE YEAR WARRANTY AND SERVICEABLE:ONE YEAR WARRANTY AND SERVICEABLE:
ONE YEAR WARRANTY AND SERVICEABLE:
ONE YEAR WARRANTY AND SERVICEABLE:ONE YEAR WARRANTY AND SERVICEABLE:
Covered by
manship and materials, this tester is now completely
serviceable. Contact your dealer for further information.
The
one yearone year
one year warranty against defects in work-
one yearone year
SALINTEST SALINTEST
SALINTEST is in compliance with the CE directives.
SALINTEST SALINTEST
Visit our Internet Home Page:
http://www.hannainst.com
IS98203R2 05/01
CALIBRATION:
• Immerse the tester in
HI7081 (30 g/L NaCl) calibration solution, without exceeding the maximum immersion level.
• Allow the reading to stabilize and with a small screwdriver turn the calibration
trimmer until the display
shows "0.30".
Calibration is now complete.
MAINTENANCE:
In case of erroneous reading even after an accurate
calibration, the reference junction can be contaminated or clogged.
Pull out 2 mm (1/8'') of the
cloth junction to renew the
electrode reference (it is recommended to cut the cloth leaving always at least 2 mm -1/
8'' over the reference compartment) and repeat the calibration procedure.
The cloth junction can be pulled out approximately
20 times. After that, the electrode can be replaced
(see the Electrode Replacement section).
BATTERY REPLACEMENT:
If display fades or the
batteries must be replaced. Slide off the battery
compartment cover and replace all four 1.5V batteries while paying attention to their polarity.
ELECTRODE REPLACEMENT:
The electrode can be easily replaced in the following
way:
• Slide off the battery cover.
• Remove the screw on the back of the
located below the battery compartment and slide
off the whole internal part of the tester.
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SALINTEST switches off, the
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SALINTEST
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• Remove the fastening screw on the front (1) to
loose the electrode. The internal circuit is connected to the electrode trough two wires (one
for the glass sensor and one for the reference).
Remove the two small screws (2 & 3) which
fasten the two connecting wires to their sockets.
Internal circuit:
• Remove the electrode and replace
it with a new HI73202.
• Fasten first the screw on the front
(1) to attach the electrode to the
circuit. Insert the two small wires
into their sockets and fasten the
two screws (2 & 3).
• The new electrode is supplied with four O-rings
(4). Make sure they are placed properly before
reinserting the circuit into the plastic casing.
• Reinsert the internal circuit complete with the
new electrode into the plastic casing.
• Fasten the screw on the back, below the
battery compartment.
• Reinsert the battery compartment cover.
• Recalibrate the
new measurements.
SALINTESTSALINTEST
SALINTEST before performing
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