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Hanna Instruments HI 98204 Instruction Manual

Water test ph/orp/ec/temperature in one unit.

 
MAINTENANCE
• Separate the compartment from the tester.
• Remove deposits formed on the liquid junction
and pH glass bulb by soaking in HI 7061 cleaning
solution for 30 minutes.
• Soak the platinum wire in acetone for 30 minutes.
• Rinse glass bulb, platinum wire and liquid junc-
tion thoroughly with distilled water
• Re-assemble 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 safe area and using the battery types specified in
this instruction manual.
ACCESSORIES
HI 7004M
pH 4.01 buffer solution, 230 mL
HI 7004L
pH 4.01 buffer solution, 500 mL
HI 7007M
pH 7.01 buffer solution, 230 mL
HI 7007L
pH 7.01 buffer solution, 500 mL
HI 7010M
pH 10.01 buffer solution, 230 mL
HI 7010L
pH 10.01 buffer solution, 500 mL
HI 7031M
1413 µS/cm conductivity solution, 230 mL
HI 7031L
1413 µS/cm Conductivity solution, 500 mL
HI 7061M
General cleaning solution, 230 mL
HI 7061L
General cleaning solution, 500 mL
HI 731326
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.
HI 98204 Water Test
Water Test
pH/ORP/EC/Temperature in One Unit
ON / OFF
RANGE
4 pH 7
GENERAL DESCRIPTION
The Water Test is a "four-in-one" portable meter designed for quick
and reliable measurement of the four most important variables in
water analysis: pH, ORP, conductivity and temperature.
Water Test is engineered with great simplicity, that even non-techni-
cal personnel can use it: just fill the base with the sample to be
measured, press the RANGE key to select the mode and read the
measurement.
Water Test is perfect for use in the fields of water treatment analysis,
wastewater test, ecological studies, aquaculture and hydroponic ap-
plications.
SPECIFICATIONS
BATTERY
COVER
Range
IMMERSION LEVEL
Resolution
Accuracy
(@20°C/68°F)
Typical EMC
Deviation
Calibration
Battery Type/Life
Environment
Dimensions / Weight
w w w . h a n n a i n s t . c o m
pH
ORP
Conductivity
0.0 to 14.0 pH
±1000 mV
0 to 1999 µS/cm
0.1 pH
1 mV
1 µS/cm
±0.2 pH
±5 mV
±2% F.S.
±0.4 pH
±2mV
±2% F.S.
manual
factory
manual
2 point
calibrated
1 point
3 x 1.5V / approx. 200 hours of continuous use
0 to 50°C (32 to 122°F); RH max 95%
190 x 85 x 85 mm (7.4 x 3.3 x 3.3") / 260 g (9.2 oz.)
FRONT
Water Test
LIQUID
CRYSTAL
DISPLAY
ON / OFF
ON / OFF
RANGE
RANGE SWITCH
SWITCH
4 pH 7
OFFSET & SLOPE
CALIBRATION
TRIMMERS
COVER
MAXIMUM
IMMERSION
LEVEL
BLACK
COMPARTMENT
Temperature
0.0 to 60.0°C
0.1°C
±1°C
±1°C
factory
calibrated
BACK
BATTERY
COVER
IMMERSION LEVEL

Summary of Contents

  • Page 1

    MAINTENANCE HI 98204 Water Test • Separate the compartment from the tester. Water Test pH/ORP/EC/Temperature in One Unit • Remove deposits formed on the liquid junction ON / OFF RANGE and pH glass bulb by soaking in HI 7061 cleaning 4 pH 7 solution for 30 minutes.

  • Page 2

    OPERATION • Adjust the right trimmer located behind Water Test the front cover until the display shows "7.0 • Do not be alarmed if white crystals appear around pH". ON / OFF RANGE the cap. This is normal with pH electrodes and Water Test 4 pH 7 they dissolve when rinsed with water.

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