1. Introduzione
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. Produttu Finituview
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.
Funzioni chjave:
- Radiation Detection: Detects Gamma, Beta, and X-rays.
- Gamma di misurazione: Cumulative dose equivalent from 0.00 μSv to 500.0 mSv.
- Range di energia: 48 KeV - 1.5 MeV ≤ ±30% (for 137 Csγ).
- Sistema d'allarme intelligente: Features light, vibration, and sound alerts. Customizable alarm thresholds for current and cumulative dose.
- Display: LCD screen for real-time monitoring and waveform display.
- Unità multiple: Supports μSv/h, μGy/h, mR/h, CPS, and CPM.
- Batteria ricaricabile: Built-in 1100mAh Lithium Polymer battery with Type-C charging port.
- Opzioni di lingua: Inglese è Chinese.
3. Cuntenutu di u pacchettu
À u mumentu di u disimballaggio, verificate chì tutti l'articuli elencati quì sottu sò presenti è in bonu statu:

Image: The FNIRSI GC-01 device, user manual, and charging cable.
- FNIRSI GC-01 Rilevatore di radiazioni nucleari
- Manuale d'usu
- Cavu di Carica USB Type-C
- Scatola di imballaggio
4. Cunfigurazione è Primu Usu
4.1 Caricà u dispusitivu
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 Accensione / spegnimentu
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. Operating Instructions
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 Interfaccia Monitoring
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.
- Monitoraghju di a Forma d'Onda: 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 Paràmetri di unità
To change the measurement unit:
- Da u schermu principale, preme u Settings button (gear icon).
- Navigate à Unità 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 Paràmetri di l'alarme
The device can be configured to alert you when radiation levels exceed predefined thresholds.
- Da u schermu principale, preme u Settings buttone.
- Navigate à Allarmi è pressu OK.
- You can set thresholds for Alarma attuale è Cumulative Alarm. Adjust values using the navigation buttons.
- In u Ala Mode menu, select your preferred alarm modes: Luce, Vibrate, è/o Sonu.

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.
- Accedi à u Settings menu.
- Selezziunà Sys Clock per stabilisce a data è l'ora.
- Selezziunà Set disp to adjust display options, including language (English/Chinese).

Image: Screenshots showing the System Clock, Alarm Mode, and Display Settings menus.
6. Mantenimentu
6.1 Pulizia
Asciugate u dispusitivu cù un pannu dolce è asciuttu. Ùn aduprate micca detergenti abrasivi o solventi, postu chì puderanu dannà u casing o schermu.
6.2 Cura di a batteria
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 Storage
Store the device in a cool, dry place away from direct sunlight and extreme temperatures. Keep it away from strong magnetic fields.
7. Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| U dispusitivu ùn accende micca. | Batteria bassa o malfunzionamentu di u dispusitivu. | Caricate u dispusitivu per almenu 30 minuti. S'ellu ùn si accende ancu, cuntattate l'assistenza. |
| Letture imprecise. | 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. |
| L'alarma ùn sona / ùn vibra micca. | Alarm thresholds not set or alarm mode disabled. | Check alarm settings and ensure desired alarm modes (sound, vibrate, light) are enabled. |
| U schermu hè viotu o bluccatu. | Errore di software. | Press and hold the power button for 10-15 seconds to force a restart. If the issue persists, contact support. |
8. Specificazioni

Imagine: Più diview of the FNIRSI GC-01's display, alarm modes, charging, and portability.
| Parametru | Valore |
|---|---|
| Types of Detection Rays | γ rays, X rays, β rays |
| Detettore | Energy Compensation GM Tube (Geiger Technology Tube) |
| Rate Equivalente di Dose | 0.00-10000μSv/h (10mSv/h) |
| Equivalente di dose cumulativa | 0.00μSv-500.0mSv |
| Gamma di energia | 48KeV-1.5MeV ±30% (for 137Cs-) |
| Lingua | Chinese, English switch |
| Sensibilità | 80CPM/μSv (For Co-60) |
| Unità di dosage | nSv/h, pGy/h, mR/h, cps, cpm Switch |
| Alimentazione elettrica | Batteria di lithium 1100mAh |
| Metudu Alarm | Light, vibration, sound |
| Dimensioni | 120 x 78 x 27 mm |
| Pesu di l'articulu | 8.1 ounces (0.23 kilogrammi) |
9. Impurtante Information Safety
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. Video di u produttu
Watch this official product video for a visual guide on the FNIRSI GC-01 Nuclear Radiation Detector.
Video: Un overview of the FNIRSI GC-01 Nuclear Radiation Detector, demonstrating its features and operation.
11. Garanzia è Support
For warranty information and technical support, please refer to the contact details provided with your purchase or visit the official FNIRSI websitu. Conservate a vostra ricevuta di compra cum'è prova di compra.





