Preliminary Examination
Remove the Checker
®
HC handheld colorimeter and accessories from the packing
material and examine it carefully. If you require any further information, please
contact Hanna Instruments technical support team.
Each HI774 is delivered in a case with custom insert and is supplied with:
•
Sample cuvette and cap (2 pcs.)
• Marine Phosphate Ultra Low Range reagent starter kit (reagents for 10 tests)
• 1.5V AAA Alkaline battery (1 pc.)
• Instruction manual
Note: Save all packing material until you are sure that the Checker
®
HC
handheld colorimeter works correctly. Any damaged or defective item must
be returned in its original packing material with the supplied accessories.
General Description & Intended Use
HI774 Marine Phosphate Ultra Low Range handheld checker is designed to
accurately determine phosphate level in applications such as aquaculture and
drinking, agricultural and wastewaters.
HI774 features a single-button operation system and is easy to use.
The large LCD is easy to read and the auto shut-off feature assures the battery
will not be drained.
Specifications
Range 0.00 to 0.90 ppm
Resolution 0.01 ppm
Accuracy ±0.02 ppm ±5% of reading @ 25 °C (77 °F)
Light source Light Emitting Diode @ 525 nm
Light detector Silicon photocell
Method
Adaptation of Standard Methods for the Examination of
Water & Wastewater, 20
th
Edition, Ascorbic Acid Method.
The reaction between phosphate and the reagent causes a
blue tint in the sample.
Environment 0 to 50 °C (32 to 122 °F); RH max. 95% non-condensing
Battery type 1.5V AAA Alkaline
Auto shut-off After 7 minutes of non-use and 2 minutes after reading
Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”)
Weight 64 g (2.3 oz)
Functional Description & LCD Display
Cap
Cuvette with cap
Cuvette holder
LCD (Liquid Crystal Display)
ON/OFF button
w ww . . co m
information@itm.com1.800.561.8187
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