Hanna Instruments HI 701 Manual

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Dear Customer,
Thank you for choosing a Hanna Instruments Product.
Please read this instruction manual carefully before using the instrument. If you need
HI 701
additional technical information, do not hesitate to e-mail us at tech@hannainst.com
or view our worldwide contact list at www.hannainst.com.
Free Chlorine
Preliminary examination:
Please examine this product carefully. Make sure that the instrument is not damaged. If
any damage occurred during shipment, please notify your Dealer.
Each HI 701 meter is supplied complete with:
• Two Sample Cuvettes and Caps
• HI 701-25 Reagents for 25 tests
• 1 x 1.5V AAA Battery
• Instruction Manual and Quick Reference
Range
Resolution
Accuracy
Light Source
Light Detector
Method
Environment
Battery Type
Auto-Shut off
Dimensions
Weight
w w w . h a n n a i n s t . c o m
For more details about spare parts and accessories
see "Accessories".

Technical specifications:

0.00 to 2.50 ppm
0.01 ppm
±0.03 ppm ±3% of reading @ 25 °C / 77 °F
Light Emitting Diode @ 525 nm
Silicon Photocell
Adaptation of USEPA method 330.5. The reaction
between free chlorine and the DPD reagent causes a
pink tint in the sample.
0 to 50 °C (32 to 122 °F);
max 95% RH non-condensing
1 x 1.5V AAA
After 2 minutes of non-use
86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5")
64 g (2.3 oz.)

Functional description:

1. Dust cover.
2. Cuvette with cap.
3. Cuvette holder.
4. Liquid Crystal Display.
5. Button.

Errors and warnings:

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.
Inverted Cuvettes: The sample and the zero cuvette are inverted.
Under Range: A blinking "0.00" indicates that the sample absorbs
less light than the zero reference. Check the procedure and make sure
you use the same cuvette for reference (zero) and measurement.
Over Range: A flashing value of the maximum concentration indicates
the reading is over range. Dilute the sample and re-run the test.
Battery Low: The battery must be replaced soon.
Dead Battery: This indicates that 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.
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