10
mL
Functional Description
Errors and Warnings
Cover
Cuvette with cap
Cuvette holder
LCD Liquid Crystal Display
Operation Button
Under Range:
A blinking “200” indicates that the reading is under
range.
Over Range:
A blinking value of the maximum concentration indicates
the reading is over range. Dilute the sample and re-run the test.
Inverted Cuvette:
The sample and the zero cuvette are inverted.
Low Battery:
The battery is low and must be replaced soon.
Dead Battery:
The battery is dead and must be replaced. Once this
indication is displayed, normal operation of the instrument will be
interrupted. Change the battery and restart the meter.
Light High:
There is too much light to perform a measurement. Please
check the preparation of the zero cuvette.
Light Low:
There is not enough light to perform a measurement.
Please check the preparation of the zero cuvette.
Please examine this product carefully. Make sure that the instrument is not damaged. If
any damage occurred during shipment, please contact your local Hanna Instruments Office.
Each
HI758
meter is supplied complete with:
• Sample Cuvettes and Caps (2 pcs.)
• Reagents for 25 tests
• 1 mL syringe with tip
• Minipipette with tips
• Plastic pipette
• 1.5V AAA battery
• Instruction manual and Quick Reference Guide
Preliminary Examination
Range
200 to 600 ppm
Resolution
1 ppm
Accuracy
±6 ppm ±5% of reading @25 °C/77 °F
Light Source
Light Emitting Diode @610 nm
Light Detector
Silicon Photocell
Method
Adaptation of the zincon method.
Environment
0 to 50 °C (32 to 122 °F); max 95% RH non-condesing
Battery Type
1.5V AAA (1 pc.)
Auto-Shut off
After 10 minutes of non-use
Dimensions
86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”)
Weight
52 g (1.84 oz.)
Specifications
Thank You
Thank you for choosing a Hanna Instruments product. Please read this instruction
manual carefully before using the instrument.
For more information about Hanna Instruments and our products, visit
www.hannainst.com.
For technical support, contact your local Hanna Instruments Office or e-mail us at
tech@hannainst.com.
Find your local Hanna Instruments Office on www.hannainst.com.
Measurement Procedure
Hanna Instruments reserves the right to modify the design, construction or appearance of
its products without advance notice.
• Turn the meter on by pressing the button.
All segments will be displayed. When the
display shows “
Add
”, “
C.1
” with “
Press
”
blinking, the meter is ready.
• Add 1 mL of
HI7581
Reagent A to the
cuvette using the 1 mL syringe. Use
the plastic pipette to fill the cuvette
to the 10 mL mark with deionized
water and replace the cap. Invert
3-5 times to mix.
• Place the cuvette into the meter and close
the meter’s cap. Press the button. When the
display shows
“Add”
,
“C2”
with
“Press”
blinking the meter is zeroed.
• Remove the cuvette from the meter and
unscrew the cap. Use the minipipette to
add 0.1 mL of sample to the cuvette.
• Add 1 packet of
HI7582
Reagent B.
Replace the cap and shake vigorously for
15 seconds or until the powder is completely
dissolved. Allow air bubbles to dissipate for
15 seconds before taking a reading.
• Place the cuvette back into the meter and
close the meter’s cap. Press the button.
The meter displays concentration in ppm
of calcium. The meter automatically turns
off after 2 minutes.
