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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⚡ Stay ahead of invisible threats with precision radiation detection!

PORTABLE RECHARGEABLE - Compact, lightweight design (7.1 oz) with rechargeable battery for on-the-go radiation monitoring.
USER FRIENDLY INTERFACE - Intuitive LCD display with easy one-handed operation and multilingual support (English/Chinese).
CUSTOMIZABLE SMART ALERTS - Set light, vibration, or sound alarms for real-time dose and cumulative radiation thresholds.
VERSATILE PROFESSIONAL USE - Ideal for home safety, industrial inspections, geological surveys, and nuclear facility monitoring.
PRECISION RADIATION DETECTION - Built-in GM sensor captures ionizing radiation from 48 KeV to 1.5 MeV with ±30% accuracy.

The FNIRSI GC-01 Geiger Counter is a portable, rechargeable radiation dosimeter equipped with a high-sensitivity GM sensor that detects Gamma, Beta, and X-rays across a broad energy range. Featuring a smart alarm system with light, vibration, and sound alerts, it offers customizable dose thresholds and supports multiple dosage units. Its compact design and multilingual interface make it perfect for professionals and safety-conscious users monitoring radiation in diverse environments.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

459.45 DT

Duties & taxes incl.

Tunisiastore

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Brand	FNIRSI
Power Source	Battery Powered
Product Dimensions	1.06"D x 3.07"W x 4.72"H
Item Weight	200 Grams
Alarm	Vibration
Sensor Type	Photoelectric
Material	Iron
Number of Items	1
Manufacturer	FNIRSI-GC-01
Part Number	GC-01
Item Weight	7.1 ounces
Item model number	GC-01
Item Package Quantity	1
Included Components	Nuclear radiation detector
Batteries Included?	No
Batteries Required?	No
Warranty Description	60 Day manufacturer

Geiger Counter Nuclear Radiation Detector - FNIRSI Radiation Dosimeter with LCD Display, Portable Handheld Beta Gamma X-ray Rechargeable Radiation Monitor Meter, 5 Dosage Units Switched

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