HI 701
Free Chlorine
w w w . h a n n a i n s t . c o m
Dear Customer,
Thank you for choosing a Hanna Instruments Product.
Please read this instruction manual carefully before using the instrument. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst.com or view our worldwide contact list at www.hannainst.com.
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
•Six powder reagents for Free Chlorine
•1 x 1.5V AAA Battery
•Instruction Manual
For more details about spare parts and accessories see “Accessories”.
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Technical specifications: |
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Range |
0.00 to 2.50 ppm |
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Resolution |
0.01 ppm |
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Accuracy |
±0.03 ppm ±3% of reading @ 25 °C / 77 °F |
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Light Source |
Light Emitting Diode @ 525 nm |
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Light Detector |
Silicon Photocell |
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Method |
Adaptation of USEPA method 330.5. The reaction |
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between free chlorine and the DPD reagent causes a |
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pink tint in the sample. |
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Environment |
0 to 50 °C (32 to 122 °F); |
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max 95% RH non-condensing |
Battery Type |
1 x 1.5V AAA |
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Auto-Shut off |
After 2 minutes of non-use |
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Dimensions |
81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) |
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Weight |
64 g (2.25 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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