1. Introducció
The SMART SENSOR ST8100A is a precision handheld oxygen concentration instrument designed for accurate and rapid detection of oxygen (O₂) gas. Utilizing an electrochemical gas sensor, it provides quick response times and allows for manual setup of alarm levels with both light and sound indicators. This device is suitable for a wide range of applications, including home use, workshops, petroleum refining, petrochemical plants, and oxygen content detection in various industrial settings such as trains, automobiles, mines, tunnels, and underground pipelines, effectively preventing hypoxia and oxygen poisoning.
2. Informació de seguretat
Si us plau, llegiu i comprengui totes les instruccions de seguretat abans de fer servir el dispositiu. Si no segueix aquestes instruccions, pot patir lesions o danys al dispositiu.
- No intenteu obrir ni modificar el dispositiu.
- Ensure the device is used in environments within its specified operating temperature and humidity ranges.
- Keep the sensor clean and free from obstructions to ensure accurate readings.
- Eviteu exposar el dispositiu a temperatures extremes, llum solar directa o substàncies corrosives.
- Always charge the device using the provided USB cable or a compatible power adapter.
- This device is intended for professional and informed use. Always follow local safety regulations and guidelines when detecting gas concentrations.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- 1 x SMART SENSOR ST8100A Oxygen Detector
- 1 x cable USB
- 1 x Mànega
- 1 x Maletí de transport
4. Producte acabatview
Familiarize yourself with the components and features of your ST8100A Oxygen Detector.
Components clau:
- Sensor: Located at the top, responsible for detecting oxygen levels.
- Pantalla LCD: Large screen for displaying measured values, temperature, and humidity. Features a backlight for visibility.
- Botó de mode: Used to cycle through different operating modes or settings.
- Interruptor ON / OFF: Power button for turning the device on or off.
- Botó d'unitat: For changing measurement units if applicable.
- Up/Sound Button: Adjusts settings upwards or controls sound features.
- Down/Backlight Button: Adjusts settings downwards or controls the LCD backlight.
- Indicador de càrrega: Indicador LED per a l'estat de càrrega.
- Zumbador: Emits audible alarms.
- Indicador d'alarma: Visual indicator for alarms.
Característiques:
- Sonda: Excellent quality, stable, and accurate performance.
- Visualització: Clear LCD with backlight for easy reading.
- Botons polsadors: Comfortable rubber soft keys for durable and tactile operation.
- Sensors: Highly sensitive sensing and fast response for reliable measurements.
- Reserved Interface for Back Stand: Enhances convenience for hands-free measurement.
- Càrrega USB: Built-in rechargeable lithium battery with micro USB interface for convenient charging.
5. Configuració
5.1 Càrrega inicial
Before first use, ensure the device is fully charged. The ST8100A is equipped with a 3.7V rechargeable lithium battery.
- Connect the provided USB cable to the micro USB interface on the device.
- Plug the other end of the USB cable into a compatible USB power source (e.g., phone power adapter, computer USB port).
- The charging indicator will illuminate during charging. Once fully charged, the indicator may change color or turn off, depending on the device's design.
- El dispositiu es pot utilitzar mentre es carrega.
5.2 Engegada/apagada
- Per encendre: Press and hold the ON/OFF Switch button until the LCD display illuminates.
- Per apagar: Press and hold the ON/OFF Switch button until the display turns off.
6. Instruccions de funcionament
6.1 Prendre una mesura
Once powered on, the device will typically begin measuring oxygen concentration automatically. The electrochemical sensor provides a quick response.
- Ensure the sensor probe is exposed to the environment where oxygen concentration needs to be measured.
- The large LCD screen will display the current oxygen concentration in % VOL, along with temperature and humidity readings.
- Allow a few seconds for the reading to stabilize, especially when moving the device to a new environment.
6.2 Setting Alarm Levels
The ST8100A supports manual setup of high and low alarm levels, triggering both acoustic (beep) and visual (flash) alarms.
- Press the 'MODE' button to enter the alarm setting interface (refer to the display for specific indicators).
- Use the 'UP/SOUND' and 'DOWN/BACKLIGHT' buttons to adjust the desired high and low alarm thresholds.
- Press 'MODE' again to confirm settings and exit the alarm setup.
6.3 Selecció d'unitats
If the device supports multiple units for measurement (e.g., for temperature), press the 'UNIT' button to cycle through available options.
Control de retroiluminació 6.4
Briefly press the 'DOWN/BACKLIGHT' button to toggle the LCD backlight on or off for improved visibility in different lighting conditions.
7. Manteniment
7.1 Neteja
Regular cleaning helps maintain the device's performance and longevity.
- Netegeu l'exterior del dispositiu amb un damp tela. No utilitzeu netejadors abrasius ni dissolvents.
- Ensure the sensor area is kept clean and free of dust or debris. Do not insert any objects into the sensor opening.
7.2 Cura de la bateria
- Recharge the battery when the low battery indicator appears on the display.
- For long-term storage, charge the device to approximately 50% and store it in a cool, dry place. Recharge every 3-6 months to prevent deep discharge.
7.3 Emmagatzematge
When not in use, store the ST8100A in its carrying case to protect it from dust, impacts, and environmental factors.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén | Bateria baixa; Mal funcionament del dispositiu | Carregueu el dispositiu completament. Si el problema persisteix, contacteu amb el servei d'assistència. |
| Lectures inexactes | Sensor obstructed/dirty; Sensor aging; Environmental interference | Clean the sensor area. Ensure proper ventilation. If readings remain inconsistent, sensor may need calibration or replacement. |
| Alarm not sounding/flashing | Alarm settings incorrect; Buzzer/LED malfunction | Check alarm threshold settings. Ensure sound is enabled. If still not working, contact support. |
| La pantalla LCD no funciona | Backlight off; Display malfunction | Press the 'DOWN/BACKLIGHT' button to turn on the backlight. If display remains blank, contact support. |
9. Especificacions
| Paràmetre | Valor |
|---|---|
| Detecting Gas | Oxigen (O₂) |
| Interval de mesura | 0~100% VOL |
| Resolució | 0.1% |
| Error bàsic | ≤±3% F·S |
| Interval de temperatura | -10 ℃ ~ 50 ℃ |
| Gamma d’humitat | 1% RH ~ 99% RH |
| Temps de resposta | ≤15 segons |
| Temps de recuperació | ≤15 segons |
| Principle of Sensor | Electrochemical principle |
| Mostra | Large screen segment type liquid crystal display |
| Mode d'alarma | Acoustic and light double alarm, settable alarm value and sound |
| Bateria | Bateria de liti recarregable de 3.7 V |
| Temps d'operació | >90 Hours (Continuous working) |
| Temperatura de treball | -10 ℃ ~ 50 ℃ |
| Humitat de treball | 0-95% HR (sense condensació) |
| Mida de l'article | 205.2 * 63.8 * 33.3 mm / 8.07 * 2.51 * 1.31 polzades |
| Pes de l'article | 205 g / 7.23 oz |
10. Consells d'usuari
- For critical measurements, always ensure the device has been recently calibrated or verified for accuracy.
- When measuring in confined spaces, allow sufficient time for the sensor to draw in the air and provide a stable reading.
- Keep the device away from strong electromagnetic fields, which can interfere with readings.
- Utilize the carrying case for transport to protect the device from physical damage.
11. Garantia i Suport
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the point of purchase or contact the manufacturer/seller directly. Keep your purchase receipt as proof of purchase.





