1. Introdución
The FNIRSI GC-01 is a portable nuclear radiation detector designed for monitoring Beta, Gamma, and X-ray radiation. This device features a built-in GM sensor for accurate detection and offers multiple dosage units, smart alarm functions, and a clear LCD display. This manual provides essential information for the safe and effective operation of your GC-01 detector.
2. Produto rematadoview
The FNIRSI GC-01 is equipped with a high-sensitivity Geiger-Müller (GM) tube, capable of detecting various types of ionizing radiation. Its compact design and rechargeable battery make it suitable for a wide range of applications, from personal safety monitoring to environmental surveys.

Image: The FNIRSI GC-01 Nuclear Radiation Detector, highlighting its key features.
Características principais:
- Radiation Detection: Detects Gamma, Beta, and X-rays.
- Rango de medición: Cumulative dose equivalent from 0.00 μSv to 500.0 mSv.
- Rango de enerxía: 48 KeV - 1.5 MeV ≤ ±30% (for 137 Csγ).
- Sistema de alarma intelixente: Features light, vibration, and sound alerts. Customizable alarm thresholds for current and cumulative dose.
- Visualización: LCD screen for real-time monitoring and waveform display.
- Varias unidades: Supports μSv/h, μGy/h, mR/h, CPS, and CPM.
- Batería recargable: Built-in 1100mAh Lithium Polymer battery with Type-C charging port.
- Opcións de idioma: inglés e chinés.
3. Contido do paquete
Ao desembalar, comprobe que todos os elementos enumerados a continuación estean presentes e en bo estado:

Image: The FNIRSI GC-01 device, user manual, and charging cable.
- Detector de radiación nuclear FNIRSI GC-01
- Manual de usuario
- Cable de carga USB tipo C
- Caixa de embalaxe
4. Configuración e uso inicial
4.1 Carga do dispositivo
Before first use, fully charge the FNIRSI GC-01 using the provided USB Type-C cable and a standard USB power adapter (not included). The charging port is located on the side of the device.

Image: Close-up of the FNIRSI GC-01 showing the Type-C charging port.
4.2 Acendido/Apagado
To power on the device, press and hold the power button (usually marked with a power symbol) until the screen illuminates. To power off, press and hold the power button again until the device shuts down.
5. Instrucións de funcionamento
The GC-01 features an intuitive interface for monitoring radiation levels. Use the navigation buttons (up, down, left, right, OK) to interact with the device.

Image: The main monitoring interface of the FNIRSI GC-01, displaying current, average, maximum, and cumulative radiation values.
5.1 Interface de monitorización
The main screen displays real-time radiation data, including:
- Current Dose Rate: Instantaneous radiation level (e.g., μSv/h).
- Average Dose Rate: Average radiation level over a period.
- Maximum Dose Rate: Highest radiation level detected.
- Cumulative Dose: Total accumulated radiation dose since the last reset.
- Waveform Monitoring: A graphical representation of radiation levels over time can be accessed from the main interface.

Image: Screenshots showing the Monitoring Interface, Waveform Monitoring, Unit Setting, and Alarm Settings menus.
5.2 Configuración da unidade
To change the measurement unit:
- Desde a pantalla principal, prema o botón Configuración botón (icona de engrenaxe).
- Navega ata Unidades using the up/down buttons and press OK.
- Select your desired unit (μSv/h, μGy/h, mR/h, CPS, CPM) and confirm with OK.
5.3 Configuración da alarma
The device can be configured to alert you when radiation levels exceed predefined thresholds.
- Desde a pantalla principal, prema o botón Configuración botón.
- Navega ata Alarmas e prema OK.
- You can set thresholds for Alarma actual e Cumulative Alarm. Adjust values using the navigation buttons.
- No Ala Mode menu, select your preferred alarm modes: Luz, Vibrar, e/ou Son.

Image: The FNIRSI GC-01 displaying the three alarm modes: Sound, Glitter (Light), and Vibrate.
5.4 System Clock and Display Settings
You can adjust the system date and time, and customize display settings such as brightness or language.
- Accede a Configuración menú.
- Seleccione Sys Clock para establecer a data e a hora.
- Seleccione Set disp to adjust display options, including language (English/Chinese).

Image: Screenshots showing the System Clock, Alarm Mode, and Display Settings menus.
6. Mantemento
6.1 Limpeza
Limpe o dispositivo cun pano suave e seco. Non empregue produtos de limpeza abrasivos nin disolventes, xa que poden danar o dispositivo.asing ou pantalla.
6.2 Coidado coa batería
To prolong battery life, avoid fully discharging the device frequently. Recharge the battery when the low battery indicator appears. If storing the device for an extended period, charge it to approximately 50% every few months.
6.3 Almacenamento
Store the device in a cool, dry place away from direct sunlight and extreme temperatures. Keep it away from strong magnetic fields.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| O dispositivo non se acende. | Batería baixa ou avaría do dispositivo. | Charge the device for at least 30 minutes. If it still doesn't power on, contact support. |
| Lecturas inexactas. | Interference from other electronic devices or incorrect unit settings. | Move away from potential sources of electromagnetic interference. Verify the correct measurement unit is selected in settings. |
| A alarma non soa/vibra. | Alarm thresholds not set or alarm mode disabled. | Check alarm settings and ensure desired alarm modes (sound, vibrate, light) are enabled. |
| A pantalla está en branco ou conxelada. | Fallo de software. | Press and hold the power button for 10-15 seconds to force a restart. If the issue persists, contact support. |
8. Especificacións

Imaxe: Máis deview of the FNIRSI GC-01's display, alarm modes, charging, and portability.
| Parámetro | Valor |
|---|---|
| Types of Detection Rays | γ rays, X rays, β rays |
| Detector | Energy Compensation GM Tube (Geiger Technology Tube) |
| Taxa de dose equivalente | 0.00-10000μSv/h (10mSv/h) |
| Equivalente de dose acumulada | 0.00 μSv-500.0 mSv |
| Rango de enerxía | 48KeV-1.5MeV ±30% (for 137Cs-) |
| Linguaxe | Chinese, English switch |
| Sensibilidade | 80CPM/μSv (For Co-60) |
| Unidade de dosificación | nSv/h, pGy/h, mR/h, cps, cpm Switch |
| Fonte de alimentación | Batería de litio de 1100 mAh |
| Método de alarma | Light, vibration, sound |
| Dimensións | 120 x 78 x 27 mm |
| Peso do elemento | 8.1 onzas (0.23 quilogramos) |
9. Información importante de seguridade
Always operate the device according to the instructions provided in this manual. Do not attempt to modify or repair the device yourself. Keep the device away from water and extreme temperatures. This device is intended for general radiation monitoring and should not be used as a substitute for professional radiation safety equipment in critical environments without proper calibration and certification.
10. Vídeo do produto
Watch this official product video for a visual guide on the FNIRSI GC-01 Nuclear Radiation Detector.
Vídeo: Un overview of the FNIRSI GC-01 Nuclear Radiation Detector, demonstrating its features and operation.
11. Garantía e soporte
For warranty information and technical support, please refer to the contact details provided with your purchase or visit the official FNIRSI websitio. Garde o recibo da compra como xustificante da mesma.