Description
Product Overview
The FNIRSI GC-01 Geiger counter is a professional-grade nuclear radiation detector engineered for accuracy and reliability. It incorporates a built-in GM sensor capable of detecting gamma, beta, and X-ray radiation, with a cumulative dose equivalent range from 0.00 uSv to 500.0 mSv and an energy range of 48 KeV to 1.5 MeV. Constructed from durable iron, the device measures 1.06 inches in depth, 3.07 inches in width, and 4.72 inches in height, weighing only 200 grams for portability. It operates on a single nonstandard lithium-ion battery (not included) and supports multiple languages, including English and Chinese. Key specifications include a photoelectric sensor type, vibration alarm, and operation in up to 95% humidity, backed by a 60-day manufacturer warranty.

Usage
This radiation detector is designed for a wide range of applications where ionizing radiation may be present. It is ideal for home improvement projects to check for environmental radiation, geological surveys, industrial inspections at facilities like nuclear power plants, and laboratory research in radiology. The compact and battery-powered design makes it suitable for professionals, hobbyists, and safety-conscious homeowners who need reliable on-the-go monitoring. Use it in scenarios such as inspecting vehicles, construction materials, or educational settings to ensure safety and compliance with radiation standards.
Why Choose Us
FNIRSI stands out with the GC-01 due to its precision engineering and user-centric features. The device offers smart alarm customization for current and cumulative dose thresholds, ensuring timely alerts through light, vibration, or sound modes. Its robust iron construction enhances durability, while the easy one-handed operation and multilingual support cater to a global audience. With a high customer rating and ranking among top lab Geiger counters, it combines affordability with professional-grade performance, backed by responsive customer support and a straightforward warranty.
Key Features
- Detects gamma, beta, and X-ray radiation with a GM sensor for accurate monitoring
- Smart alarm system with light, vibration, and sound modes for customizable alerts
- Compact and portable iron design, weighing only 200 grams for easy transport
- Multifunctional settings including unit conversion, clock, and language options
- Wide operating humidity up to 95% and battery-powered for versatile use
FAQ
What types of radiation does the GC-01 detect?
The GC-01 Geiger counter detects gamma, beta, and X-ray radiation using its built-in GM sensor, covering an energy range from 48 KeV to 1.5 MeV for comprehensive monitoring.
Is the battery included with the device?
No, the device requires one nonstandard lithium-ion battery, which is not included. You will need to purchase it separately for operation.
How do I set up the alarm on the Geiger counter?
You can set both current dose and cumulative dose alarm values through the device’s interface, choosing from light, vibration, or sound modes for notifications.
What is the warranty period for this product?
The FNIRSI GC-01 comes with a 60-day manufacturer warranty, covering defects in materials and workmanship under normal use conditions.
Can I use this detector for professional laboratory work?
Yes, it is suitable for laboratory environments, industrial inspections, and home use, thanks to its accurate sensor and robust design that meets various application needs.





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