The device won't power on.

1.Press the power button briefly, avoid long presses. 2.Use the reset button at the device's bottom. 3.Connect to a computer for firmware update.

Readings are inaccurate.

1.Ensure the unit is set to μSv/h, the standard for normal areas. 2.Charge the device if the battery voltage is low. 3.Keep away from strong electromagnetic devices during measurement.

The device fails to detect radiation.

Conduct a function test: hold a test source close to the detector and check if the reading increases. Update the firmware if software freeze causes data lock.

How do I switch languages?

Long-press the right button to enter settings, navigate to "Language" with the down button, select English, and confirm with the OK button.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Geiger Counter Nuclear Radiation Detector - FNIRSI Radiation Meter with LCD Display Portable Handheld Beta Gamma X-Ray Rechargeable Radiation Monitor Meter Switch 5 Throw Units

Geiger Counter Nuclear Radiation Detector - FNIRSI Radiation Meter with LCD Display Portable Handheld Beta Gamma X-Ray Rechargeable Radiation Monitor Meter Switch 5 Throw Units

Product ID: 737644754

Details

Brand
FNIRSI
Item Weight
200 Grams
Item dimensions L x W x H
12.7 x 5.1 x
Material
Iron
Style
Compact

📟5 Dose Unit Switches

🔋Rechargeable Lithium-Ion Battery

⚛️Detects Gamma, Beta & X-Ray

Description

⚡ Stay ahead of invisible threats with precision radiation detection!

VERSATILE APPLICATION - Ideal for residential safety, geological surveys, industrial use, nuclear facilities, and radiology labs.
USER FRIENDLY INTERFACE - Intuitive LCD display with easy one-handed operation and multilingual support (English & Chinese).
CUSTOMIZABLE SMART ALARM - Set light, vibration, or sound alerts for current and cumulative dose thresholds to stay instantly informed.
PORTABLE DURABLE DESIGN - Compact 200g iron body fits comfortably in hand for on-the-go radiation monitoring anywhere.
PRECISION RADIATION DETECTION - Built-in GM sensor accurately measures gamma, beta, and x-ray radiation across 48 KeV-1.5 MeV energy range.

The FNIRSI GC-01 Geiger Counter is a portable, handheld radiation detector featuring a built-in GM sensor that detects gamma, beta, and x-ray radiation. It offers a wide energy detection range (48 KeV-1.5 MeV) and supports five dose units with customizable smart alarms (light, vibration, sound). Powered by a rechargeable lithium-ion battery, its compact iron design ensures durability and ease of use in diverse environments such as industrial sites, nuclear power stations, and residential safety checks.

Specifications

ASIN	B0BHH9X1WG
Amazon Bestseller	#219,661 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #93 in Lab Geiger Counters
Brand Name	FNIRSI
Customer Reviews	4.2 4.2 out of 5 stars (1,329)
Included Components	Nuclear Radiation Detector
Item Dimensions	12.7 x 5.1 x 2.5 cm
Item Weight	200 Grams
Manufacturer	FNIRSI-GC-01
Material Type	Iron
Measuring Range	0.00uSv - 500.0mSv
Model	GC-01
Output Type	Digital
Part Number	GC-01
Style Name	Compact
Unit Count	1.0 Count

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