1. መግቢያ
This manual provides detailed instructions for the safe and effective use of the SMART SENSOR AS8805 Digital Sulfur Dioxide Gas Monitor. This device is designed for high-sensitivity detection of sulfur dioxide (SO2) gas, featuring sound and light alarms, and a rechargeable Li-battery for portable operation. Please read this manual thoroughly before operating the device and retain it for future reference.
2. የደህንነት መረጃ
በመሳሪያው ላይ ጉዳት ወይም ጉዳት እንዳይደርስ ለመከላከል የሚከተሉትን የደህንነት ጥንቃቄዎች ሁልጊዜ ይከተሉ፡
- መሣሪያውን ለመቀየር ወይም ለመበተን አይሞክሩ.
- Ensure the device is used within its specified operating temperature and humidity ranges.
- መሳሪያውን ከጠንካራ የኤሌክትሮማግኔቲክ መስኮች ያርቁ.
- የብልሽት ወይም የብልሽት ምልክቶችን በየጊዜው መሳሪያውን ያረጋግጡ።
- Perform zero calibration in a clean air environment, free from SO2 or other interfering gases.
- Recharge the battery promptly when the low power indicator is active to maintain optimal performance and safety.
- This device is designed for detecting SO2 gas. Do not use it for other gas types without proper calibration and verification.
3. ምርት አብቅቷልview
The SMART SENSOR AS8805 is a compact and portable sulfur dioxide gas detector. Familiarize yourself with its components:

ምስል 3.1: የፊት View of the AS8805 Detector. This image shows the front of the device, highlighting the digital LCD display, power on/off key, up key (addition), down key (subtraction), and enter key. The alarm light is visible at the top left, and the sulfur dioxide gas sensor is at the top right.

ምስል 3.2: ከፍተኛ View of the AS8805 Detector. This image displays the top section of the device, indicating the battery protective cover and the USB charging port.

ምስል 3.3: ጎን View of the AS8805 Detector. This image illustrates the side of the device, pointing out the gas sensor inside and the alarm light.

ምስል 3.4፡ ተመለስ View of the AS8805 Detector. This image shows the back of the device, featuring the stainless steel clip, a simple parameters chart, and the factory serial number.
3.1 ቁልፍ አካላት
- Sulfur Dioxide Gas Sensor: Detects SO2 concentration in the air.
- የማንቂያ ብርሃን; Provides visual indication during an alarm event.
- ዲጂታል LCD ማሳያ፡- Shows real-time gas concentration, battery status, and other operational information.
- የማብራት/ማጥፋት ቁልፍ፡- መሣሪያውን ለማብራት ወይም ለማጥፋት የሚያገለግል።
- Up Key (Addition): Used for navigating menus or increasinግ እሴቶች።
- Down Key (Subtraction): Used for navigating menus or decreasinግ እሴቶች።
- ቁልፍ አስገባ፡ Used to confirm selections or enter menus.
- Battery Protective Cover: Secures the internal battery.
- የዩኤስቢ ኃይል መሙያ ወደብ For recharging the device's internal Li-battery.
- አይዝጌ ብረት ክሊፕ፡ Allows for convenient carrying and attachment.
4. ማዋቀር
4.1 Unboxing እና ጥቅል ይዘቶች
Carefully unpack the device and verify that all standard accessories are present:

ምስል 4.1፡ መደበኛ የጥቅል ይዘቶች። This image shows the items included in the standard package: the AS8805 gas monitor, power charger and cable, user manual, explosive-proof certificate, certificate of calibration, and warranty card.
- 1x Sulfur Dioxide Gas Monitor (AS8805)
- 1 x የተጠቃሚ መመሪያ
- 1x Explosive-proof Certificate
- 1 x የዋስትና ካርድ
- 1x የኃይል መሙያ
- 1x የኃይል ገመድ
4.2 ባትሪውን መሙላት
The device is powered by a 3.7V Li-battery. Before first use, or when the low power indicator appears, charge the device:
- Connect the provided power cable to the USB charging port on the top of the device (refer to Figure 3.2).
- Connect the other end of the cable to the power charger, and then plug the charger into a suitable power outlet.
- በኤልሲዲ ማሳያው ላይ ያለው የባትሪ አዶ የኃይል መሙያ ሁኔታን ያሳያል።
- A full charge typically allows for approximately 60 hours of continuous operation without alarms.
4.3 የመጀመሪያ ኃይል-በ
መሳሪያውን ለማብራት፡-
- ተጭነው ይያዙት። የማብራት / ማጥፊያ ቁልፍ until the display illuminates.
- The device will perform a self-test and warm-up sequence. During this time, the display may show various readings before settling.
5. ኦፕሬሽን
5.1 ማብራት / ማጥፋት
- አብራ፡ ተጭነው ይያዙት። የማብራት / ማጥፊያ ቁልፍ for a few seconds until the display turns on.
- ኃይል ዝጋ: ተጭነው ይያዙት። የማብራት / ማጥፊያ ቁልፍ ማሳያው እስኪጠፋ ድረስ ለጥቂት ሰከንዶች።
5.2 የማሳያ መረጃ
The digital LCD display shows the following information:
- Real-time SO2 Concentration: Displayed in parts per million (ppm).
- የባትሪ ሁኔታ አመልካች፡- የአሁኑን የባትሪ ኃይል መሙያ ደረጃ ያሳያል።
- የማንቂያ ጠቋሚዎች፡- Visual cues for high or low alarm conditions.
5.3 Alarm Functions and Settings
The device features adjustable high and low alarm values with three alarm methods: sound, light, and vibration. The alarm sound can reach up to 80dB.
- ነባሪ ከፍተኛ ማንቂያ፦ 10.0 ፒፒኤም
- ነባሪ ዝቅተኛ ማንቂያ፦ 5.0 ፒፒኤም
To adjust alarm values:
- መሣሪያው ሲበራ፣ ይጫኑ ወደ ላይ ቁልፍ or ወደታች ቁልፍ to enter the password interface.
- Enter the password (e.g., "123" as shown in the calibration video, though specific password should be confirmed in the full user manual). Use the Up እና Down Keys to change digits and the ቁልፍ አስገባ to move to the next digit or confirm.
- After entering the correct password, navigate through the menu using the Up እና Down Keys to find the alarm setting options.
- Adjust the high and low alarm thresholds as required using the Up እና Down Keys, and confirm each setting with the ቁልፍ አስገባ.
5.4 ዜሮ ልኬት
Zero calibration ensures accurate readings by setting the baseline in a clean air environment. This procedure should be performed regularly or if you suspect inaccurate readings.
- Ensure the device is in a clean environment, free from any SO2 gas.
- በመሳሪያው ላይ ኃይል.
- Access the calibration menu by pressing the ወደ ላይ ቁልፍ or ወደታች ቁልፍ to enter the password interface.
- Enter the password (e.g., "123").
- After successful password entry, navigate to the calibration option (often labeled "CAL" or "ZERO CAL").
- Confirm the zero calibration selection with the ቁልፍ አስገባ. The device will then perform the zero calibration, displaying a changing number as it stabilizes.
- Wait for the device to stabilize and confirm the calibration. The display may show "F" or return to 0.0 ppm, indicating successful calibration.
5.5 Auto/Hand Power Off Function
The device includes an auto power-off feature to conserve battery life. This can be set manually.
- ራስ-ሰር ኃይል ጠፍቷል; If enabled, the device will automatically turn off after 10 minutes of no operation.
- Refer to the full user manual for specific instructions on how to enable or disable the auto power-off function.
6. ጥገና
6.1 የባትሪ እንክብካቤ
- Recharge the 3.7V Li-battery when the low power indicator is displayed.
- የባትሪውን ዕድሜ ለማራዘም ብዙ ጊዜ ሙሉ በሙሉ ከማጥፋት ይቆጠቡ።
- የቀረበውን ባትሪ መሙያ እና ገመድ ብቻ ይጠቀሙ።
6.2 Sensor Life
The electrochemical sensor has an estimated life of 2 years. After this period, the sensor's accuracy may degrade, and replacement or professional calibration may be required.
6.3 ጽዳት
- የመሳሪያውን ውጫዊ ክፍል በለስላሳ፣ d ይጥረጉamp ጨርቅ.
- ገላጭ ማጽጃዎችን ወይም ፈሳሾችን አይጠቀሙ.
- Ensure no liquid enters the sensor opening or charging port.
7. መላ መፈለግ
| ችግር | ሊሆን የሚችል ምክንያት | መፍትሄ |
|---|---|---|
| መሣሪያው አይበራም። | ዝቅተኛ ወይም የተሟጠጠ ባትሪ። | የቀረበውን ቻርጅ መሙያ እና ገመድ ተጠቅመው መሳሪያውን ይሙሉ። |
| ትክክል ያልሆኑ ንባቦች። | Sensor requires zero calibration; sensor lifespan exceeded. | Perform zero calibration in clean air. If issues persist, consider sensor replacement or professional service. |
| ማንቂያ ያለማቋረጥ ያሰማል። | High SO2 concentration detected; alarm settings too low. | Evacuate the area and ventilate. Check and adjust alarm thresholds if necessary. |
| ማሳያው ባዶ ወይም የቀዘቀዘ ነው። | Software error or battery issue. | መሣሪያውን እንደገና ለማስጀመር ይሞክሩ። ችግሩ ከቀጠለ ድጋፍ ሰጪን ያነጋግሩ። |
8. ዝርዝሮች
| ባህሪ | ዝርዝር |
|---|---|
| የምርት ሞዴል ቁጥር | AS8805 |
| Gas Measurement Type | ሰልፈር ዳይኦክሳይድ (SO2) |
| የመለኪያ ክልል | 0 ~ 20 ፒፒኤም |
| Testing Resolution | 0.1 ፒፒኤም |
| የመለኪያ መርህ | ኤሌክትሮኬሚካል |
| ዳሳሽ የህይወት ዘመን | 2 አመት |
| ዝቅተኛ/ከፍተኛ ማንቂያ | Supported, adjustable values |
| የማንቂያ ዘዴዎች | ድምጽ, ብርሃን, ንዝረት |
| የማንቂያ ድምጽ ደረጃ | እስከ 80 ዲቢቢ |
| የአሠራር ሙቀት | -10 ~ 50 ℃ (14 ~ 122 ℉) |
| የሚሰራ እርጥበት | 15 ~ 95% RH (Standard) |
| የባትሪ ዓይነት | 3.7V Li-battery (754060p) |
| የባትሪ ሥራ ጊዜ | Approx. 60 hours (no alarm) |
| ራስ-ሰር ኃይል ጠፍቷል | Yes (after 10 minutes of no operation, if enabled) |
| የምርት የተጣራ ክብደት | 200 ግ (7.1 አውንስ) |
| የምርት መጠን | 120 * 65 * 38 ሚ.ሜ |
| ዩፒሲ | 785197913523 |
9. ዋስትና እና ድጋፍ
The SMART SENSOR AS8805 Digital Sulfur Dioxide Gas Monitor comes with a warranty as detailed in the included Warranty Card. Please refer to the card for specific terms and conditions.
For technical support, service, or inquiries regarding your device, please contact your retailer or the manufacturer directly. Keep your purchase receipt and warranty card handy when seeking support.





