1. හැඳින්වීම
The ST8100B is a precision oxygen concentration instrument designed for accurate and rapid measurement of oxygen (O₂) gas. It utilizes an electrochemical gas sensor for quick response and features manual alarm level setup with both light and sound indicators. This device is suitable for various environments including homes, workshops, petroleum refining facilities, petrochemical plants, and for oxygen content detection in vehicles and industrial settings where oxygen is used or monitored.
2 ආරක්ෂිත තොරතුරු
උපාංගය ක්රියාත්මක කිරීමට පෙර කරුණාකර සියලු ආරක්ෂක උපදෙස් කියවා තේරුම් ගන්න. මෙම උපදෙස් අනුගමනය කිරීමට අපොහොසත් වීමෙන් උපාංගයට තුවාල හෝ හානි සිදුවිය හැකිය.
- උපාංගය අලුත්වැඩියා කිරීමට හෝ වෙනස් කිරීමට උත්සාහ නොකරන්න. සියලුම සේවා සුදුසුකම් ලත් පුද්ගලයින් වෙත යොමු කරන්න.
- Ensure proper battery installation and replacement as specified.
- Avoid exposing the device to extreme temperatures, humidity, or corrosive environments.
- උපාංගය ශක්තිමත් විද්යුත් චුම්භක ක්ෂේත්ර වලින් ඈත් කරන්න.
- Always operate the device within its specified operating conditions.
- This device is for measurement purposes only and should not be used as a primary safety device in critical life-support systems without additional safety measures.
3. නිෂ්පාදන අවසන්view
The ST8100B is designed for ease of use and portability. Key components and controls are outlined below:
- සංවේදකය: Located at the top, responsible for detecting oxygen concentration.
- සංදර්ශකය: Large LCD screen showing measurement results and other indicators.
- සක්රිය / අක්රිය බොත්තම: උපාංගය සක්රිය හෝ අක්රිය කරයි.
- Backlight/▼ key: Controls display backlight and navigates menus downwards.
- මාදිලිය යතුර: Switches between different operating modes.
- Sound/▲ key: Controls audible alarm and navigates menus upwards.
- UNIT යතුර: Changes measurement units.
4. පිරිවිතර
| විශේෂාංගය | පිරිවිතර |
|---|---|
| වෙළඳ නාමය | SMART SENSOR / OEM |
| ආදර්ශ අංකය | ST8100B |
| ප්රදර්ශනය කරන්න | Segment LCD backlight display |
| ගෑස් වර්ගය | Oxygen meter |
| මිනුම් පරාසය | 0~30% VOL |
| විභේදනය | 0.1% |
| මූලික දෝෂය | ≤±3% F·S |
| උෂ්ණත්ව පරාසය | -20℃~50℃ (accuracy ±2℃) |
| ආර්ද්රතා පරාසය | 1%RH~99%RH |
| ප්රතිචාර කාලය | තත්පර 15 ට අඩු |
| ප්රතිසාධන කාලය | තත්පර 15 ට අඩු |
| මිනුම් මූලධර්මය | Electrochemical principle, life for 2 years |
| අනතුරු ඇඟවීමේ සැකසුම | Low / High Alarm setting |
| අනතුරු ඇඟවීමේ මාදිලිය | Sound and light dual alarm |
| මෙහෙයුම් උෂ්ණත්වය | -10℃~50℃ (except LEL is 0 ~40℃) |
| මෙහෙයුම් ආර්ද්රතාවය | 0-95% RH (ඝනීභවනය නොවන) |
| ගබඩා උෂ්ණත්වය | 0~40℃ |
| නිෂ්පාදන බර / ප්රමාණය | 138g / 57*28*167මි.මී. |
| ක්රියාත්මක කිරීමේ සම්මතය | GB12358-2006 |
| බල සැපයුම | 3x1.5V AAA battery |
| Battery Working Runtime | About 100 hours of continuous use (when backlight is off) |
| ඇසුරුම් කිරීම | තෑගි පෙට්ටිය |
| ඇසුරුම් අන්තර්ගතය | 1 * Oxygen Detector, 1 * USB Cable, 1 * Hose, 1 * Carrying Case, 1 * User Manual (English) |
5. පිහිටුවීම
5.1. බැටරි ස්ථාපනය
The ST8100B requires three (3) 1.5V AAA batteries for operation. Batteries are not included with the device.
- උපාංගයේ පිටුපස බැටරි මැදිරි කවරය සොයා ගන්න.
- Slide the cover open in the direction indicated.
- Insert three 1.5V AAA batteries, ensuring correct polarity (+/-) as marked inside the compartment.
- බැටරි මැදිරි කවරය ආරක්ෂිතව වසා දමන්න.
5.2. මූලික බලය සක්රිය කිරීම
Press and hold the On/Off button (usually the red power button) until the display illuminates. The device will perform a self-test and then enter the measurement mode.
6. මෙහෙයුම් උපදෙස්
6.1. මිනුම් ගැනීම
Once powered on, the device will automatically begin measuring oxygen concentration in the surrounding environment. The current oxygen percentage and temperature will be displayed on the HD backlit LCD screen.
6.2. ඒකක වෙනස් කිරීම
Press the 'UNIT' key to cycle through available measurement units if applicable (e.g., for temperature display between Celsius and Fahrenheit).
6.3. Setting Alarm Values
The ST8100B allows you to set both low and high alarm thresholds for oxygen concentration.
- Enter the alarm setting mode (refer to the device's on-screen prompts or specific button combinations if available).
- Use the '▲' (Sound) and '▼' (Backlight) keys to adjust the 'LO ALM' (Low Alarm) value.
- Confirm the low alarm setting.
- Use the '▲' and '▼' keys to adjust the 'HI ALM' (High Alarm) value.
- Confirm the high alarm setting to save.
7 අනතුරු ඇඟවීම්
The ST8100B is equipped with a high-decibel buzzer and a visual display alarm. When the detected oxygen concentration falls below the 'LO ALM' value or rises above the 'HI ALM' value, the instrument will activate both audible and visual alarms to alert the user.
8. Effects of Oxygen Concentration on Humans
Understanding the effects of varying oxygen levels is crucial for safety. The table below outlines the symptoms associated with different oxygen concentrations in the atmosphere (at standard atmospheric pressure).
| Oxygen Concentration (%) | Symptoms (Atmospheric Pressure) |
|---|---|
| 100% | Deadly, 6 minutes (Absolutely airtight environment, such as hyperbaric oxygen chamber) |
| 50% | Deadly, can be cured after 45 minutes treatment. (Absolutely airtight environment, such as hyperbaric oxygen chamber) |
| >23.5% | Rich oxygen |
| 20.96% | සාමාන්යයි |
| 19.5% | අවම |
| 15~19% | Reduce efficiency, and lead to problems of head, lung and circulation system |
| 10~12% | Shortness of breath, loss of judgment, purple lips |
| 8~10% | Governance loss, syncope, unconscious, pale, nausea and vomiting |
| 6~8% | 8 minutes, blood pressure, weak heartbeat, mouth breathing, quickly stopped breathing |
| 4~6% | 40 seconds, convulsions, respiratory arrest, death |
9. නඩත්තු කිරීම
- පිරිසිදු කිරීම: උපාංගය මෘදු, ඩී සමඟ පිස දමන්නamp රෙදි. උල්ෙල්ඛ පිරිසිදු කරන්නන් හෝ ද්රාවණ භාවිතා නොකරන්න.
- ගබඩා: When not in use for extended periods, remove the batteries and store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
- සංවේදක සත්කාරය: The electrochemical sensor has a life of approximately 2 years. Regular calibration is recommended to ensure accuracy, though this device does not specify user calibration.
- බැටරි ආදේශනය: අඛණ්ඩ නිවැරදි ක්රියාකාරිත්වය සහතික කිරීම සඳහා සංදර්ශකයේ අඩු බැටරි දර්ශකය දිස්වන විට වහාම බැටරි ප්රතිස්ථාපනය කරන්න.
10. දෝශ නිරාකරණය
If you encounter issues with your ST8100B, please refer to the following common problems and solutions:
- උපාංගය ක්රියාත්මක නොවේ:
- නිසි ධ්රැවීයතාවයකින් බැටරි නිවැරදිව ස්ථාපනය කර ඇත්දැයි පරීක්ෂා කරන්න.
- නැවුම් AAA බැටරි සමඟ ප්රතිස්ථාපනය කරන්න.
- වැරදි කියවීම්:
- සංවේදකය පිරිසිදු හා බාධාවකින් තොරව සහතික කර ගන්න.
- Verify the device is operating within its specified temperature and humidity ranges.
- Allow the device to stabilize in the environment for a few minutes before taking critical readings.
- අනතුරු ඇඟවීම නාද නොවේ/දැල්වෙයි:
- Check if alarm settings (LO ALM, HI ALM) are configured correctly.
- Ensure the sound is not muted (if a mute function exists).
අඛණ්ඩ ගැටළු සඳහා, කරුණාකර පාරිභෝගික සහාය අමතන්න.
11 පරිශීලක ඉඟි
- The device's battery working runtime is approximately 100 hours of continuous use when the backlight is off. To conserve battery life, turn off the backlight when not needed.
- Always ensure the English version of the user manual is available for reference.
- Consider the various applications of the device, such as oxygen generator purity testing, chemical industry monitoring, gallery area safety, oxygen cylinder concentration detection, mountaineering, and agricultural planting, to maximize its utility.
12. වගකීම් සහ සහාය
12.1 වගකීම් සහතිකය
මෙම නිෂ්පාදනය A සමඟ පැමිණේ වසර 1ක වගකීමක් from the date of purchase. During the warranty period, if any quality problem arises, please provide photos to demonstrate the issue. The manufacturer will determine whether to send replacement parts or request the instrument for repair or exchange. Please contact customer support before returning any product. You will be responsible for double-run freight costs.
12.2. සහාය
For technical assistance, troubleshooting, or warranty claims, please refer to the contact information provided with your purchase or visit the official SMART SENSOR webඅඩවිය.
13. සමාගම් තොරතුරු
SMART SENSOR is a professional manufacturer and seller of instruments with over 10 years of experience in instrument development and production. The company boasts a strong R&D team and collaborates with domestic universities to develop cutting-edge technology. Their products, including smart multimeters, clamp meters, DC power supplies, laser distance meters, infrared thermometers, vibration meters, thickness gauges, sound level meters, anemometers, temperature hygrometers, range finders, gas detectors, metal detectors, voltage insulation meters, earth resistance testers, and leakage current testers, are known for their quality and market share. OEM/ODM services are available for all models.
14 සහතික
The ST8100B Oxygen Gas Analyzer complies with relevant international standards and holds the following certifications:
- CE සහතිකය
- FCC සහතිකය
- RoHS අනුකූලතාව
15. නිතර අසන ප්රශ්න (FAQ)
- Q: Does your company accept customization?
- A: Yes, we offer customizing services for customers, including OEM/ODM. Any logo and color can be customized. An English copy of the manual is also available.
- Q: What is the warranty of the product?
- A: We offer a 12-month warranty. Within the warranty period, if there is any quality problem, please send us photos to show the problem. We will then decide to send you parts or have you send the instrument back for repair or exchange. Please contact us first before sending it back directly. You will only need to pay for double-run freight.
