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GQ GMC-300E-Plus Digital Geiger Counter Nuclear Radiation Detector Monitor Meter dosimeter Beta Gamma X ray data logger recorder realtime monitoring test equipment

GQ GMC-300E-Plus Digital Geiger Counter Nuclear Radiation Detector Monitor Meter dosimeter Beta Gamma X ray data logger recorder realtime monitoring test equipment

Q: Would this device be able to tell if there was leftover radiation from a nuclear blast or contamination? Or radiation from dirty bombs?

The GMC 320 Plus's upper range limit is 32 millirem per hour. (A millirem is 1/1000th of a rem). According to the scientists at the Oak Ridge National Laboratory, a Facility of the U.S. Department of Energy, in their 1987 "Nuclear War Survival Skills", small doses of around 6 rem per day should "produce no incapacitating symptoms. The human body usually can repair almost all radiation damage if the daily doses are not too large." They go on to say, "Instruments that measure only milliroentgen-range dose rates are sold for war use by some companies. Since most Americans have no idea what size of radiation doses would incapacitate or kill them, and do not even know that a milliroentgen is 1/1000 of a roentgen, some people buy instruments that are capable of measuring maximum dose rates of only one roentgen or less per hour." (One roentgen is equivalent to one rem.) The book further says that a meter that "can measure one roentgen (rem) per hour is far too low to be of much use in a nuclear war."

Q: I'm a novice wanting to check for radiation levels. Is this device easy to understand? What can I use this for to measure for radiation?

The GMC-300 is easy to use and low priced as an entry level radiation detector. I use mine to monitor background levels of radiation as I have yet to find an highly active source. Here in central BC, Canada I get 14 to 22 cpm, with a high of 30 cpm. It appears to decrease after a rain fall. The only thing missing with the GMC-300 is a radiation standard but I can understand why.

Q: Will this measure the radiation level present in gemstones?

Not all gemstones emit high enough levels of radiation that can be discerned above ambient levels of radiation and it depends on the actual level of radiation the stone emits. Stones that have been exposed to radiation to change their color will probably not register. I have some uranium marbles that are not detected by this counter. My wife was subjected to a PET scan, last year and read 790 CPM from a distance of 6 feet.

Q: can I use this to measure Fukushima radiation in seafood?

I've read articles regarding radiation in seafood indicating the levels you read may be may be misleading. The GMC-300 will measure this radiation. Here in Northern Indiana the ambient level is normally 30 - 40 CPM. As shown in the video, levels in sea life can be higher. http://www.opb.org/news/article/scientists-say-stop-worrying-about-fukushima-radio/ Rick

Product ID: 82334037

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⚡Battery-powered portability

📊Real-time data logging

📏Compact & lightweight design

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Description

⚛️ Stay ahead of invisible threats with precision and power!

DATA DRIVEN SAFETY - Built-in data logger records and stores radiation exposure for detailed analysis and peace of mind.
ULTRA PORTABLE POWER - Lightweight 170g design with included rechargeable lithium-ion battery ensures you stay protected anywhere.
PRECISION ENGINEERING - Accurate detection with advanced sensor technology tailored for professional-grade radiation measurement.
USER FRIENDLY INTERFACE - Clear digital display and intuitive controls make complex radiation data accessible to every safety-conscious professional.
INSTANT RADIATION INSIGHTS - Realtime monitoring of Beta, Gamma, and X-ray radiation levels keeps you ahead of potential hazards.

The GQ GMC-300E-Plus is a professional-grade digital Geiger counter designed for real-time detection and logging of Beta, Gamma, and X-ray radiation. Compact and lightweight at just 170g, it features a rechargeable lithium-ion battery and a clear digital interface, making it an essential tool for safety-conscious professionals who demand accurate, portable radiation monitoring.

Specifications

Brand	GQ
Manufacturer	GQ Electronics LLC
Model number	GMC300EPlus Fulfill
Colour	white
Number of Memory Sticks	1
Item Weight	170 g
Product Dimensions	12.7 x 7.11 x 2.54 cm; 170.1 g
Batteries	1 Lithium Ion batteries required. (included)
Item model number	GMC300EPlus Fulfill
Item Height	1 Inches
Item Width	2.8 Inches
Voltage	5 Volts
Power Source	battery powered
Are batteries included?	Yes
Lithium battery energy content	2.6 Watt Hours
Lithium Battery Packaging	Batteries contained in equipment
Lithium battery weight	0.7 Grams
Number of lithium ion cells	1

Have a Question? See What Others Asked

Would this device be able to tell if there was leftover radiation from a nuclear blast or contamination? Or radiation from dirty bombs?

I'm a novice wanting to check for radiation levels. Is this device easy to understand? What can I use this for to measure for radiation?

Will this measure the radiation level present in gemstones?

can I use this to measure Fukushima radiation in seafood?

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