1. Introdución
This manual provides detailed instructions for the safe and effective use of your BTMETER BT-5800G Ammonia Gas Detector and BT-981D Industrial Thermometer. Please read this manual thoroughly before operation and retain it for future reference.
The BTMETER BT-5800G Ammonia Gas Detector is designed to monitor ammonia (NH3) concentration in real-time. It is suitable for various applications including poultry farms, horse stables, and livestock environments to help manage air quality.
The BTMETER BT-981D Industrial Infrared Laser Thermometer is an industrial device for measuring surface temperatures. It is not intended for measuring human or animal body temperature.
2. Que hai na caixa
- 1x BTMETER 5800G Ammonia Gas Detector
- 1x BTMETER 981D Digital Infrared Laser Thermometer
- 1x User Manual (for 5800G)
- 1x User Manual (for 981D)
- Charging Cable (for 5800G)
- Carrying Pouch (for 5800G)
- Battery (for 981D)

Figura 2.1: Contido do paquete
3. Produto rematadoview
3.1 BTMETER BT-5800G Ammonia Gas Detector
The BT-5800G is a handheld device designed for accurate ammonia gas detection. It features a large digital display showing NH3 concentration in parts per million (ppm), ambient temperature, and humidity. The device includes an audible alarm for high ammonia levels and a tripod mountable port for continuous monitoring.

Figure 3.1: BT-5800G Ammonia Gas Detector with Technical Parameters

Figure 3.2: BT-5800G Tripod Mount
3.2 BTMETER BT-981D Industrial Thermometer
The BT-981D is a non-contact infrared thermometer for industrial surface temperature measurements. It offers a wide temperature range and a 12:1 distance-to-spot ratio for accurate readings from a safe distance. The device features adjustable emissivity and a clear digital display.

Figure 3.3: BT-981D Industrial Thermometer Features

Figure 3.4: BT-981D Distance to Spot Ratio
4. Configuración
4.1 BT-5800G Ammonia Gas Detector
Cargando: The BT-5800G uses a Nickel metal hydride battery. Connect the device to a 5V DC power source using the provided USB charging cable. A red light indicates charging, and a green light indicates a full charge.

Figure 4.1: BT-5800G USB Charging
4.2 BT-981D Industrial Thermometer
Instalación da batería: Open the battery compartment and insert the included battery, ensuring correct polarity. Close the compartment securely.
5. Funcionamento
5.1 BT-5800G Ammonia Gas Detector
- Encendido/apagado: Press and hold the power button (usually the center button with a power symbol) to turn the device on or off.
- Medición: Once powered on, the device will automatically begin detecting ammonia (NH3) concentration, ambient temperature, and humidity. Readings are displayed on the screen.
- Unit Switching (°C/°F): Press the °C/°F button to switch between Celsius and Fahrenheit temperature units.
- Configuración da alarma: Press the 'ALARM' button to access or adjust alarm thresholds. Refer to the device's specific menu for detailed alarm configuration.
- Botón de modo: Use the 'MODE' button to cycle through different display modes or settings as available.
Video 5.1: Demonstration of the BTMETER BT-5800G Ammonia Gas Detector's display and button functions, including switching temperature units and viewlecturas.
5.2 BT-981D Industrial Thermometer
- Encendido/apagado: Press the trigger to turn the device on. It will automatically power off after a period of inactivity.
- Medición: Aim the thermometer at the target surface and press the trigger. The temperature reading will appear on the display. Ensure the target spot is within the device's distance-to-spot ratio for accurate measurement.
- Unit Switching (°C/°F): Use the dedicated button on the device to switch between Celsius and Fahrenheit.
- Axuste de emisividade: If applicable, adjust the emissivity setting to match the material being measured for improved accuracy. Refer to the BT-981D's specific manual for details on emissivity settings.
6. Mantemento
6.1 Limpeza
- Wipe the device surfaces with a soft, damp pano. Non use produtos de limpeza ou disolventes abrasivos.
- Keep the sensor area of the BT-5800G and the lens of the BT-981D clean and free from dust or debris.
6.2 Almacenamento
- Garde os dispositivos nun lugar fresco e seco, lonxe da luz solar directa e de temperaturas extremas.
- If storing for extended periods, remove batteries from the BT-981D.
6.3 Sensor Lifespan (BT-5800G)
The electrochemical principle sensor in the BT-5800G has an expected lifespan of approximately two years. Regular calibration may be required to maintain accuracy over time.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| O dispositivo non se acende | Low battery (BT-5800G), dead battery (BT-981D), incorrect battery installation | Charge BT-5800G, replace battery in BT-981D, check battery polarity. |
| Lecturas inexactas | Sensor/lens obstruction, environmental interference, incorrect emissivity (BT-981D) | Clean sensor/lens, ensure stable environment, adjust emissivity for BT-981D. |
| A alarma non se activa | Alarm threshold set too high, alarm disabled | Adjust alarm threshold to a lower value, ensure alarm is enabled in settings. |
| A pantalla non funciona | Batería baixa, avaría do dispositivo | Charge/replace battery. If issue persists, contact customer support. |
8. Especificacións
8.1 BTMETER BT-5800G Ammonia Gas Detector
- Gas de detección: Amoníaco (NH3)
- Rango de medición: 0-100 ppm
- Measuring Resolution: 0.1 ppm
- Repetibilidade: < ± 1 %
- Erro básico: < ± 5% (F.S)
- Tempo de resposta: < 60 segundos
- Tempo de recuperación: < 60 segundos
- Principle of Sensor: Electrochemical, lifespan approx. 2 years
- Batería: Nickel metal hydride battery
- Visualización: Large screen liquid crystal display
- Alarma: Acoustic optical double alarm, adjustable threshold, alarm sound > 80dB
- Temperatura de traballo: -10 °C a 50 °C (14 °F a 122 °F)
- Humidade de traballo: 0-95% RH (Non-Gel)
- Dimensións do produto: 11" D x 2.4" W x 6.3" H
- Peso do artigo: 0.66 libras
8.2 BTMETER BT-981D Industrial Thermometer
- Rango de medidas: -50 °C a 550 °C (-58 °F a 1022 °F)
- Precisión: ±3% for -50 °C to 0 °C; ±2% for 0 °C to 100 °C; ±3% for ≥100 °C
- Relación de distancia ao punto: 12:1
- Emisividade: 0.95 (fixed or adjustable, refer to specific manual)
- Fonte de enerxía: Alimentado por batería
9. Garantía e soporte
BTMETER products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the contact information provided with your product packaging or visit the official BTMETER websitio. Garde o comprobante de compra para reclamacións de garantía.