1. හැඳින්වීම
The Hanna Instruments HI 711 Checker HC is a handheld colorimeter designed for accurate and precise measurement of total chlorine levels. This device offers a simpler and more cost-effective alternative to chemical test kits while providing greater accuracy. It utilizes the EPA-approved DPD method 4500-Cl G, making it suitable for applications requiring this standard. This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your HI 711 Checker HC.
2 ආරක්ෂිත තොරතුරු
Please read all instructions carefully before using the HI 711 Checker HC. Failure to do so may result in inaccurate readings or damage to the device. Always handle reagents with care and follow all safety precautions provided with the reagent kits. Keep the device and reagents out of reach of children.
3. නිෂ්පාදන අවසන්view
The HI 711 Checker HC is a compact, single-button operation device featuring a large LCD screen for easy readability. It is designed for portability and ease of use in various environments.
රූපය 1: The Hanna Instruments HI 711 Checker HC Handheld Colorimeter shown with a sample vial. The device displays a reading of 0.87 ppm for Total Chlorine.
ප්රධාන සංරචක ඇතුළත් වේ:
- LCD සංදර්ශකය: Shows measurement readings and operational prompts.
- මෙහෙයුම් බොත්තම: Used for powering on/off and initiating measurements.
- කුවෙට් හෝල්ඩර්: Compartment for inserting sample කුප්පි.
- බැටරි මැදිරිය: Located at the rear for AAA battery installation.
4. පිහිටුවීම
4.1 බැටරි ස්ථාපනය
- උපාංගයේ පිටුපස බැටරි මැදිරිය සොයා ගන්න.
- බැටරි ආවරණය ඉවත් කරන්න.
- Insert one (1) AAA battery, ensuring correct polarity (+/-).
- බැටරි ආවරණය ආරක්ෂිතව ප්රතිස්ථාපනය කරන්න.
4.2 මූලික සූදානම
Before first use, ensure the cuvettes are clean and free from scratches or debris. Use distilled or deionized water for rinsing.
5. මෙහෙයුම් උපදෙස්
The HI 711 Checker HC operates using a simple, single-button interface. Follow these steps for accurate total chlorine measurements:
- බල ගැන්වීම: Press the button to turn the Checker HC on. The display will show "---" then "Add C1".
- Zero the Device:
- Fill a clean cuvette with 10 mL of unreacted sample water (the water you wish to test, before adding reagent).
- Cap the cuvette and wipe it thoroughly with a lint-free cloth to remove any fingerprints or smudges.
- Insert the cuvette into the Checker HC, ensuring the cap is fully seated.
- Press the button. The display will show "Add C2" when zeroing is complete.
- ප්රතික්රියාකාරකය එක් කරන්න:
- Remove the cuvette from the Checker HC.
- Add one packet of HI 711-0 Total Chlorine reagent to the sampcuvette දී le.
- Cap the cuvette and shake gently for approximately 20 seconds to dissolve the reagent.
- Wipe the cuvette thoroughly with a lint-free cloth.
- මැනීම:
- Insert the cuvette back into the Checker HC.
- Press the button. The display will show a countdown timer (e.g., "2:00"). This is the reaction time required for the DPD method.
- After the countdown, the Checker HC will display the total chlorine concentration in ppm (parts per million).
- විදුලිය විසන්ධි කිරීම: The device features an auto shut-off function to conserve battery life. It will automatically turn off after 10 minutes of inactivity. To manually turn off, press and hold the button until "OFF" is displayed.
රූපය 2: The Hanna Instruments HI 711 Checker HC showing a measurement of 0.82 ppm for Total Chlorine on its LCD screen.
6. නඩත්තු කිරීම
6.1 පිරිසිදු කිරීම
- Always keep the cuvettes clean. Rinse them thoroughly with distilled or deionized water after each use.
- Wipe the exterior of the Checker HC with a soft, damp රෙදි. උල්ෙල්ඛ පිරිසිදු කරන්නන් හෝ ද්රාවණ භාවිතා නොකරන්න.
- Ensure the cuvette holder is clean and dry before storage.
6.2 ගබඩා කිරීම
- Store the Checker HC in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for extended periods, remove the AAA battery to prevent leakage.
- Store reagents in their original packaging in a cool, dark place.
7. දෝශ නිරාකරණය
This section addresses common issues you might encounter with your HI 711 Checker HC.
| ගැටලුව | විය හැකි හේතුව | විසඳුම |
|---|---|---|
| සාවද්ය හෝ නොගැලපෙන කියවීම් | Dirty cuvette, expired reagent, improper zeroing, air bubbles in sample | Clean cuvette thoroughly, use fresh reagent, ensure proper zeroing with unreacted sample, remove air bubbles by gently tapping the cuvette. |
| උපාංගය බලගන්වන්නේ නැත | Dead battery, incorrect battery installation | Replace AAA battery, check battery polarity. |
| "දෝෂ" පණිවිඩය දර්ශනය වේ | Measurement outside range, light interference | සහතික කරන්න එස්ample is within the device's measurement range. Perform measurement in a stable light environment. Re-zero the device. |
8. පිරිවිතර
The following are the technical specifications for the Hanna Instruments HI 711 Checker HC:
- ආකෘතිය: HI-711
- පරාමිතිය: සම්පූර්ණ ක්ලෝරීන්
- ක්රමය: Adaptation of the EPA DPD method 4500-Cl G
- බලශක්ති ප්රභවය: 1 x AAA බැටරි
- නිෂ්පාදන මානයන්: අඟල් 5 x 3 x 4
- බර: අවුන්ස 8.82 කි
- ස්වයංක්රීයව වසා දැමීම: අක්රිය වීමෙන් විනාඩි 10 කට පසුව
9. වගකීම් තොරතුරු
Hanna Instruments products are warranted against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. The specific warranty period may vary by region and product. Please refer to the warranty card included with your product or visit the official Hanna Instruments webසවිස්තරාත්මක වගකීම් නියමයන් සහ කොන්දේසි සඳහා වෙබ් අඩවිය. වගකීම් හිමිකම් සඳහා ඔබේ මිලදී ගැනීමේ සාක්ෂි තබා ගන්න.
10. පාරිභෝගික සහාය
For technical assistance, troubleshooting, or information regarding reagents and accessories, please contact Hanna Instruments customer support. You can find contact details on the official Hanna Instruments website or through your local distributor. When contacting support, please have your product model number (HI-711) and purchase date available.
