Hanna Instruments HI 98204 User Manual
ON / OFF
SWITCH
RANGE SWITCH
LIQUID
CRYSTAL
DISPLAY
MAXIMUM
IMMERSION
LEVEL
BLACK
COMPARTMENT
FRONT
BATTERY
COVER
OFFSET & SLOPE
CALIBRATION
TRIMMERS
COVER
BACK
Water Test
ON / OFF
4 pH 7
RANGE
IMMERSION LEVEL
MAINTENANCE
• Separate the compartment from the tester.
• Remove deposits formed on the liquid junction
and the pH glass bulb by soaking in HI 7061
solution for 1½ hour.
• Soak the platinum wire in acetone for half hour.
• Rinse the bulb, platinum wire and liquid junction
thoroughly with distilled water
• Reassemble the compartment and the tester.
• Fill the compartment with tap water.
BATTERY REPLACEMENT
When the Water Test cannot be switched on or the
display fades, pull out the battery cover and replace
all three 1.5V batteries, while paying attention to their
polarity. Battery replacement must only take place in
a non hazardous area using the battery types specified in this instruction manual.
ACCESSORIES
HI 7004M Buffer solution pH 4.01 (230 ml)
HI 7004L Buffer solution pH 4.01 (460 ml)
HI 7007M Buffer solution pH 7.01 (230 ml)
HI 7007L Buffer solution pH 7.01 (460 ml)
HI 7010M Buffer solution pH 10.01 (230 ml)
HI 7010L Buffer solution pH 10.01 (460 ml)
HI 7031M Conductivity solution 1413 µS/cm @25°C (230 ml)
HI 7031L Conductivity solution 1413 µS/cm @25°C (460 ml)
HI 7061M General Cleaning solution (230 ml)
HI 7061L General Cleaning solution (460 ml)
BATT009/P 1.4V battery (100 pcs)
HI 76501/P Calibration screwdriver (20 pcs)
RECOMMENDATIONS FOR USERS
Before using this product, make sure that it is entirely suitable for
the environment in which it is used.
Operation of this instrument in residential area could cause
unacceptable interferences to radio and TV equipments,
requiring the operator to take all necessary steps to correct
interferences.
The glass bulb at the end of the pH electrode is sensitive to
electrostatic discharge.
Avoid touching this glass bulb at all times.
For calibration it is recommended to use an antistatic
screwdriver.
Any variation introduced by the user to the supplied equipment
may degrade the instrument's EMC performance.
To avoid electrical shock, do not use this instrument when voltages
at the measurement surface exceed 24 VAC or 60 VDC.
To avoid damages or burns, do not perform any measurement in
microwave ovens.
DECLARATION OF CONFORMITY
We
Hanna Instruments Srl
V.le delle industrie 12
35010 Ronchi di Villafranca (PD)
ITALY
herewith certify that the pH / ORP / Conductivity / Temperature meter
has been tested and found to be in compliance with the following regulations:
IEC 801-2 Electrostatic Discharge
IEC 801-3 RF Radiated
EN 55022 Radiated, Class B
Date of Issue: 12-12-1995
Water Test
Water Test
ON / OFF
RANGE
4 pH 7
IMMERSION LEVEL
D.Volpato - Engineering Manager
On behalf of
Hanna Instruments S.r.l.
BATTERY
COVER
WATERTSTR1
03/96
WATER TEST
The "four-in-one" portable meter
GENERAL DESCRIPTION
The HANNA Water Test is a "four-in-one" portable meter designed for
fast and accurate analysis and monitoring of water in biological
applications, industrial wastewater, rivers, lakes, etc. It measures the
main parameters in water analysis, namely, pH, oxidation-reduction
potential (REDOX), conductivity and temperature. All is needed for
the analysis is a small sample of the water which is poured into the
compartment and the 4 measurements are immediately available.
The instrument has a complete pH range from 0 to 14, an ORP range
from -1000 to +1000 mV, a conductivity range from 0 to 2000 µS/cm
and a temperature range from 0 to 60°C. The instrument can be
calibrated for pH and conductivity and comes with replaceable batteries.
SPECIFICATIONS
RANGE
RESOLUTION
ACCURACY
(@20°C/68°F)
TYPICAL EMC
DEVIATION
CALIBRATION
BATTERY
DIMENSIONS
WEIGHT
Stay in Touch with the Manufacturer !
pH ORP Conductivity Temperature
0.0 to 14.0 pH ±1000 mV 0 to 1999 µS/cm 0.0 to 60.0°C
0.1 pH 1 mV 1 µS/cm 0.1°C
±0.2 pH ±5 mV ±2% Full Scale ±1°C
±0.4 pH ±2mV ±2% Full Scale ±1°C
pH: Manual double point through Offset and Slope trimmers
µS/cm: Manual single point through trimmer
3 x 1.5V batteries for approx. 200 hours of continuous use
190 x 85 x 85 mm
(7.4 x 3.3 x 3.3")
260 g (9.2 oz.)
EN 50081-1
EN 50082-1
OPERATING INFORMATION
• Do not be alarmed if white crystals appear around the
cap. This is normal with electrodes and they dissolve
when rinsed with water.
Water Test
ON / OFF
RANGE
4 pH 7
• Take a sample of the water to be tested and pour into
the black compartment of the Water Test.
If you are scooping up the water with the black compartment, do not immerse above the maximum immersion level indicated.
• Turn the tester on by pressing the ON/OFF
switch on the front panel.
ON / OFF
°C
• The tester will automatically default the temperature measurement indicated by the "°C"
symbol on the display.
• Press the RANGE switch once to display
RANGE
µS
the conductivity expressed in µS.
• Press the RANGE switch once more to display pH.
• Press the RANGE switch once again to display ORP
expressed in mV.
• If the tester compartment is dry for more than 2
pH
mV
days, you will have to wait for about 5 minutes before taking pH measurements.
• In order to take more accurate pH and conductivity measurements,
make sure that Water Test is calibrated for pH and conductivity
before use.
• When the measurements are completed, empty the com-
ON / OFF
partment, rinse with tap water to minimize contamination
and switch the tester off by pressing the ON/OFF switch
again.
• In order to have a fast response time during measurement, the compartment of the tester should be
filled with tap water when the tester is not in use.
Water Test
ON / OFF
RANGE
4 pH 7
For long term storage, the tester should be kept in the
original box.
DO NOT USE DISTILLED OR DEIONIZED
WATER FOR STORAGE PURPOSES.
pH CALIBRATION
• Pour a small quantity of distilled water into the
black compartment, rinse by shaking the compartment and then discard the content.
Water Test
ON / OFF
RANGE
4 pH 7
ON / OFF
07
I 70
H
• Pour a small quantity of pH 7 (HI 7007) buffer
solution into the compartment and switch the
tester on by pressing the ON/OFF switch.
RANGE
• Press the RANGE switch twice to display pH measurements.
HI 7004
• If the display does not show "7.0 pH",
adjust the right trimmer located behind
the cover until the display shows "7.0 pH".
Water Test
ON / OFF
4 pH 7
RANGE
pH
• Discard the pH 7 solution, pour a small
quantity of distilled water into the black
compartment, rinse by shaking the compartment and then discard the content.
Water Test
ON / OFF
RANGE
4 pH 7
4
0
0
I 7
H
• Pour a small quantity of pH 4 (HI 7004) or
pH 10 (HI7010) buffer solution into the
compartment.
• If the display does not show "4.0 pH" (or
"10.0 pH"), adjust the left trimmer located behind the cover until the display
Water Test
ON / OFF
4 pH 7
RANGE
pH
shows "4.0 pH" (or "10.0 pH").
• Discard the pH 4 (or pH 10) solution, pour a small quantity of
distilled water into the black compartment, rinse by shaking the
compartment and then discard the content.
• The unit is now calibrated for pH and ready for use.
CONDUCTIVITY CALIBRATION
• Pour a small quantity of distilled water into the black
Water Test
ON / OFF
RANGE
4 pH 7
compartment, rinse by shaking the compartment and
then discard the content.
• Fill the compartment with HI 7031 conductivity solution to overflow and switch the tester on by
pressing the ON/OFF switch. The temperature of the solution will be displayed.
ON / OFF
°C
• Note the temperature of the solution and
read the corresponding conductivity from the table printed on the
solution label (e.g. 1413 µS/cm
@ 25°C).
• Remove the screw on the right of
the casing. Press the RANGE
switch to display conductivity
measurements and adjust the
trimmer on the right of the casing until the display
shows the corresponding
°C °F HI7031
0 32 776
5 41 896
10 50 1020
15 59 1147
16 60.8 1173
17 62.6 1199
18 64.4 1225
19 66.2 1251
20 68 1278
21 69.8 1305
RANGE
(µS/cm)
°C °F HI7031
22 71.6 1332
23 73.4 1359
24 75.2 1386
25 77 1413
26 78.8 1440
27 80.6 1467
28 82.4 1494
29 84.2 1521
30 86 1548
31 87.8 1575
(µS/cm)
µS
conductivity reading at the
noted temperature (e.g.
1278 µS/cm @20°C). Re-
RIGHT
SIDE
place the screw after calibration.
ALWAYS USE FRESH BUFFERS
FOR CALIBRATION & NEVER REUSE THEM.
1
3
0
I 7
H
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