పరిచయం
The Hanna Instruments HI755 Checker HC (Handheld Colorimeter) offers a precise and efficient method for measuring alkalinity in saltwater aquariums. Alkalinity is vital in marine environments, supporting coral reef regeneration by providing carbonate ions and buffering against pH fluctuations. This device provides a more accurate and user-friendly alternative to traditional chemical test kits, delivering quick and reliable results.
ముఖ్య లక్షణాలు:
- ఆటో షట్-ఆఫ్: Extends battery life by automatically powering down when not in use.
- పెద్ద LCD స్క్రీన్: Ensures clear and easy readability of measurement results.
- సింగిల్ బటన్ ఆపరేషన్: Simplifies the testing process for user convenience.
- Enhanced Accuracy: Offers greater precision compared to standard chemical test kits.
చిత్రం 1: The Hanna Instruments HI755 Checker HC, a handheld colorimeter, displaying an alkalinity reading of 225 ppm on its LCD screen. The device is blue with "Hanna Checker Marine" branding.
సెటప్
- బ్యాటరీ ఇన్స్టాలేషన్:
Locate the battery compartment on the back of the device. Open it and insert one AAA battery, ensuring correct polarity. Close the compartment securely.
- భాగాలతో పరిచయం పెంచుకోండి:
Identify the LCD display, the single operational button, and the cuvette holder. The cuvette holder is where the sample vials are placed for measurement.
చిత్రం 2: The Hanna Instruments HI755 Checker HC with its protective cap open, showing the internal cuvette holder where sample vials are inserted for testing. The device is blue and white.
- Prepare Reagents and Vials:
Ensure you have the necessary HI755-series reagents and clean, dry sample vials (cuvettes) ready for testing. Refer to the reagent instructions for proper handling and storage.
ఆపరేటింగ్ సూచనలు
Follow these steps for accurate alkalinity measurements:
- పవర్ ఆన్: Press the button to turn on the Checker HC. The display will show "ADD C1".
- S సిద్ధం చేయండిample C1 (Blank):
Fill a clean cuvette with 10 mL of unreacted water sample. Cap the cuvette and wipe it thoroughly with a lint-free cloth to remove any water spots or fingerprints.
- S చొప్పించుample C1:
Place the cuvette containing the unreacted sample into the Checker HC's holder and close the cap.
- Zero the Instrument:
Press the button. The display will show "ADD C2" when the instrument is zeroed.
- S సిద్ధం చేయండిample C2 (Reacted Sample):
Remove the cuvette. Add the specified amount of HI755-series reagent to the sample in the cuvette, as per the reagent instructions. Cap the cuvette and gently invert it several times to mix. Wait for the reaction time specified in the reagent instructions (typically 1 minute).
- S చొప్పించుample C2:
Wipe the reacted cuvette thoroughly with a lint-free cloth and place it back into the Checker HC's holder. Close the cap.
- కొలత తీసుకోండి:
Press the button. The instrument will perform the measurement and display the alkalinity concentration in ppm (parts per million).
- పవర్ ఆఫ్: The Checker HC will automatically shut off after a period of inactivity. To manually power off, press and hold the button until "OFF" is displayed.
నిర్వహణ
- Cleaning the Cuvettes: Always use clean cuvettes for each test. Rinse them thoroughly with deionized water and dry them completely before use.
- Cleaning the Checker HC: పరికరం యొక్క బాహ్య భాగాన్ని మృదువైన, డితో తుడవండిamp గుడ్డ. రాపిడి క్లీనర్లను ఉపయోగించవద్దు లేదా పరికరాన్ని నీటిలో ముంచవద్దు.
- నిల్వ: Store the Checker HC in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the battery is removed if the device will not be used for an extended period.
- Reagent Storage: Store reagents according to their specific instructions to maintain their effectiveness.
ట్రబుల్షూటింగ్
| సమస్య | సాధ్యమైన కారణం | పరిష్కారం |
|---|---|---|
| Inaccurate or Inconsistent Readings |
|
|
| Display Shows "Err" or Error Code |
|
|
| పరికరం ఆన్ అవ్వడం లేదు |
|
|
స్పెసిఫికేషన్లు
- మోడల్ సంఖ్య: TE-HI755
- పరామితి: Alkalinity (Low Range)
- శక్తి మూలం: 1 x AAA బ్యాటరీ
- తయారీదారు: హన్నా ఇన్స్ట్రుమెంట్స్
- ASIN: B00C2GWEL8
- ప్యాకేజీ కొలతలు: 7.52 x 4.92 x 2.72 అంగుళాలు
- వస్తువు బరువు: 12.31 ఔన్సులు
వారంటీ సమాచారం
Hanna Instruments products are typically covered by a limited warranty against defects in materials and workmanship. For specific warranty terms and conditions applicable to your HI755 Checker HC, please refer to the warranty card included with your product or visit the official Hanna Instruments webవారంటీ క్లెయిమ్ల కోసం మీ కొనుగోలు రుజువును ఉంచండి.
కస్టమర్ మద్దతు
For technical assistance, troubleshooting beyond this manual, or inquiries regarding your Hanna Instruments HI755 Checker HC, please contact Hanna Instruments customer support. Contact details can typically be found on the official Hanna Instruments webసైట్ లేదా ఉత్పత్తి ప్యాకేజింగ్లో.
ఆన్లైన్ వనరులు: www.hannainst.com
