1. Introducció
This manual provides comprehensive instructions for the safe and effective use of the AOPUTTRIVER AP-535G Portable Ammonia Gas Detector. This device is designed to accurately measure ammonia (NH3) gas concentrations, ambient temperature, and relative humidity in various environments. Please read this manual thoroughly before operating the device to ensure proper function and safety.

Imatge 1.1: acabatview of the AOPUTTRIVER AP-535G Ammonia Gas Detector highlighting its core functions: Ammonia Gas Monitor, Humidity, Temperature, Audible Alarm, C/F Selection.
2. Informació de seguretat
Observe the following safety precautions to prevent injury and avoid damage to the device:
- Do not attempt to open or modify the device. Internal components are not user-serviceable.
- Keep the device away from water and other liquids to prevent electrical shock or damage.
- Feu funcionar el dispositiu dins dels rangs de temperatura i humitat especificats.
- Ensure the device is charged using the provided USB cable and a compatible power adapter.
- This device is for monitoring purposes only and should not be used as a substitute for professional safety equipment or procedures.
- Avoid exposing the sensor to extreme concentrations of gas, which may cause damage or inaccurate readings.
3. Producte acabatview
3.1 Contingut del paquet
- AOPUTTRIVER AP-535G Ammonia Gas Detector
- Cable de càrrega USB tipus C
- Manual d'usuari
3.2 Característiques clau
- Sensitive & High-Precision: Equipped with a professional electrochemical sensor for 0-100 ppm NH3 detection with +/-5% accuracy and 0.1ppm resolution. Response time is less than 120 seconds.
- Adjustable Alarm Settings: Features sound and light dual alarms with customizable alarm thresholds.
- Pantalla LCD retroiluminada: A 4.3-inch backlit LCD provides clear readings in various lighting conditions.
- Humidity & Thermometer: Measures indoor temperature (-10-50°C, +/-2°C accuracy) and relative humidity (0-95%). Temperature units are switchable between Celsius and Fahrenheit.
- Col·locació versàtil: Includes a hanging hole and a 180° bracket for desktop or wall mounting.
3.3 Disseny i pantalla del dispositiu
Familiarize yourself with the device's display and button functions:

Imatge 3.1: Detallada view of the AP-535G's display and control buttons, with numbered labels indicating specific functions.
| No. | Descripció |
|---|---|
| 1 | Ammonia chemical formula (NH3) |
| 2 | Ammonia concentration display area |
| 3 | Ammonia gas unit (PPM) |
| 4 | Level 1 alarm indication (AL1) |
| 5 | Level 2 alarm indication (AL2) |
| 6 | Backlight display indicator |
| 7 | Indicador d'energia de la bateria |
| 8 | Unitat de temperatura (°C/°F) |
| 9 | Àrea de visualització del valor de temperatura |
| 10 | Humidity unit (%RH) |
| 11 | Humidity value display area |
| 12 | Botó d'encesa |
| 13 | Alarm and backlight button |
| 14 | Mode and up button |
| 15 | °C/°F conversion and down button |
4. Configuració
4.1 Càrrega del dispositiu
The AP-535G is equipped with a rechargeable battery. Before first use, or when the battery indicator shows low power, charge the device:
- Connect the provided USB Type-C cable to the charging port on the side of the device.
- Connecteu l'altre extrem del cable USB a un adaptador de corrent USB estàndard (no inclòs) o a un port USB de l'ordinador.
- L'indicador de la bateria a la pantalla mostrarà l'estat de càrrega. Una càrrega completa sol trigar diverses hores.
- Un cop estigui completament carregat, desconnecteu el cable de càrrega.

Image 4.1: The AP-535G device highlighting its USB Type-C charging port and overall dimensions.
4.2 Encès inicial
Per encendre el dispositiu:
- Press and hold the Power button (12) located at the bottom left of the device.
- The LCD display will illuminate and begin a self-calibration process.
- Allow the device to stabilize for approximately 120 seconds for accurate readings.
5. Funcionament
5.1 Encès/Apagat
- Encès: Press and hold the Power button (12) until the display turns on.
- Apagar: Press and hold the Power button (12) until the display turns off.
5.2 Lectura de mesures
Once powered on and stabilized, the device will continuously display:
- Ammonia concentration in PPM (2).
- Relative humidity in %RH (11).
- Temperature in °C or °F (9).
5.3 Adjusting Alarm Settings
The device features two alarm levels (AL1 and AL2) that can be set to alert you when ammonia concentration exceeds a specified threshold. When an alarm is triggered, the device will emit a beep and flash its LED light.

Image 5.1: The AP-535G illustrating its sound and light dual alarm system, which activates when preset ammonia levels are exceeded.
- Press the Mode button (14) to cycle through display modes until 'AL1' or 'AL2' appears.
- While 'AL1' or 'AL2' is displayed, press the Alarm button (13) to enter setting mode. The current alarm value will flash.
- Use the Mode button (14) to increase the value and the °C/°F button (15) to decrease the value.
- Press the Alarm button (13) again to confirm the setting and exit.
5.4 Canvi d'unitats de temperatura (°F/°C)
Per canviar entre les unitats de temperatura Celsius i Fahrenheit:
- Briefly press the °C/°F button (15). The temperature unit on the display will change accordingly.
Control de retroiluminació 5.5
The device features a backlight for improved visibility in low-light conditions.
- Briefly press the Alarm button (13) to toggle the backlight on or off.

Image 5.2: The AP-535G's 4.3-inch LCD display, demonstrating its backlight function for clear visibility in various lighting conditions.
6. Manteniment
6.1 Neteja
Per mantenir el rendiment i l'aspecte del dispositiu:
- Netegeu l'exterior del dispositiu amb un drap suau i sec.
- Do not use abrasive cleaners, solvents, or corrosive chemicals.
- Ensure no liquids enter the sensor openings or charging port.
6.2 Cura de la bateria
- Charge the device regularly to prolong battery life.
- Eviteu esgotar completament la bateria amb freqüència.
- If storing the device for an extended period, charge it to approximately 50% and recharge every few months.
7. Solució De Problemes
If you encounter issues with your AP-535G, refer to the following common problems and solutions:
| 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 not stabilized; sensor obstruction; extreme environmental conditions | Allow 120 seconds for stabilization after power-on. Ensure sensor is clear. Operate within specified temperature/humidity. |
| L'alarma no sona | Alarm levels set too high; sound disabled | Check and adjust alarm thresholds (AL1, AL2). Ensure sound is enabled (if applicable). |
| La pantalla és tènue o en blanc | Backlight off; low battery | Press the Alarm button (13) to toggle backlight. Charge the device. |
8. Especificacions

Image 8.1: Technical parameters of the AP-535G Ammonia Gas Detector, including gas detection type, measuring range, resolution, and response time.
| Paràmetre | Valor |
|---|---|
| Número de model | AP-535G-US |
| Detecció de gasos | Amoníac (NH3) |
| Interval de mesura | 0-100 ppm |
| Resolució | 0.1 ppm |
| Precisió | +/-5% |
| Temps de resposta | Menys de 120 segons |
| Interval de temperatura | -10-50 ° C (14-122 ° F) |
| Precisió de la temperatura | +/- 2 ° C |
| Gamma d’humitat | 0-95% HR |
| Mostra | LCD retroil·luminada de 4.3 polzades |
| Font d'alimentació | Bateria recarregable (USB tipus C) |
| Pes de l'article | 0.8 lliures (aprox. 363 g) |
| Dimensions del paquet | 7.28 x 5.98 x 2.32 polzades |
| Fabricant | AOPUTTRIVER |
9. Garantia i Suport
AOPUTTRIVER products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official AOPUTTRIVER weblloc web. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.