GQ ELECTRONICS GMC-300E PLUS DIGITAL GEIGER COUNTER NUCLEAR RADIATION DETECTOR

Also available the GMC-320 PLUS with many more features  !!

GQ GMC-300E Plus is a newer model of GMC-300 series Geiger Counter

It detects, measures and stores, in real time, BETA, GAMMA and X-RAY nuclear radiation present  in the environment surrounding us every day.
It was designed as a portable and convenient  device. Text, Graphic and Large Font mode provide visualized radiation changes .It provides audible/visual signals for detected level of radiation. It can detect radiation both indoors and outdoors.
The recording of the data occurs automatically, and therefore requires no special settings or calibration.
It can continuously monitor the radiation and record data every second in the internal memory. The GQ Geiger Counter Data Viewer software can download the time stamped radiation (history) data from the unit and save it on a computer for user future references/analysis.
The device is equipped with a USB port, used for communication, and power supply / charging of the internal battery NiMH battery.
The internal rechargeable battery of GQ GMC-300E Plus, can be charged with the home adapter or the car adapter, also included. Using adapters, data monitoring is possible on a continuous basis.
Using the AC power there will be no need to worry about the condition of the battery charge or any loss of data.
The GQ data viewing software can also be used as a monitor of data in real time. The user can save the data in real time in Excel, csv format text, HTML file format, etc.

Technical Specifications:
Radiation sensitivity: Beta, Gamma and X-Ray.
Sensitivity Gamma Radiation: 0.1 ~ 1 MeV
Operating frequency: 0.2 Pulses / s
Power supply: 6 ~ 9V
LCD Display: Backlit
Power consumption: 0.045W - 0.2W
Power supply: 9V battery / USB power supply

Comparison table
Source CPM reading

Ground 20 ~ 40

Granite table in a public park 50 ~ 83

Bar of uranium 238U 320

Uranium ore  238U 2905

Standard radioactive source 5uCi 26500
Some GMC-300E plus measurements video :

http://www.youtube.com/watch?v=0qHpNRBFjHg
https://www.youtube.com/watch?v=cyvFGxCAUWg

Main features:
Small, portable handheld
Audio and Video indication for the detection of nuclear radiation.
Backlit LCD
USB data port for connection to the computer / PC / laptop software GQ
Internal rechargeable battery
USB and DC input for external power supply
Powerful counter circuit is able to manage the count up to 65,535 CPM (Count Per Minute).
Tube sensitivity Hign M4011 (the user can remove this pipe and install another tube if necessary)
Built-in battery charging circuit
Board clock in real time
On-board flash memory for historical data sets
Speaker.
Size: .85 5'x2 'x1'
9V battery or power supply VCC
Text mode to provide maximum information data. eg. CPM, date, time, time spent, USV / h, mR / h, etc.
Graphoc Mode provides real-time graphical views of radiation changes..Funzione ZOOM.
Setting the backlight ON, OFF, and timeout.
Battery level charge indicator
Speaker control ON / OFF.
Alarm setting. Set the alarm ON / OFF, alarm type, alarm level.
Setting the date and time and real-time clock.
Setting the display swivel. 180 degree rotated display allows reading even when the unit is upside down.
Calibration three points. For CPM USV / h and mR / h conversion
Power save mode :  the unit continues to operate at minimum power.
Mode selection for saving data. Every second / minute / hour.
History data up to 7 days
History data search
and much more ...
Real-time measurements by Excel

Package Included:
- GQ GMC-300E Plus.
- USB cable
- DC power adapter / charger
- User Guide book
-Download link for "SoftGeigerCounter" sotfware and USB driver for Windows XP/Vista/Win7 32 and 64 bits