Geiger counter dosimeter GQ GMC-320 Plus

The main changes from the cheaper model, are:

• Wider range of measured gamma-ray energy (from max 1 MeV to max 3 MeV). – is capable of detecting more types of radioactive materials.
• Increase the amount of built-in memory for recording measurement data from 64Kb to 1Mb.
• Gyroscope, which rotates the image on the display, depending on the position of the device.
• Built-in ambient temperature sensor.

The device has adequate sensitivity to detect uranium glass, uranium ceramics, radium-painted objects (old watches, compasses, etc.), or to momentarily detect radioactive contamination of a site. So it’s great for surveying your surroundings to make sure that nothing threatens your safe stay in your home, apartment or workplace.

The Geiger counter on the 128×32 px monochrome display instantly updates and reports the current radiation dose strength in the unit of the user’s choice: μSv/h, mR/h or CPM. The use of an LCD display allows the device to work longer, but also translates into very good readability in strong sunlight. The display is backlit in the dark, with a wide range of settings for contrast, inversion, and brightness after illumination.

The meter comes with a rechargeable 14500-type battery, access to which is easy and does not require tools for possible self-removal, on a single charge the device is able to operate for about 50h.

The device is equipped with a USB port, used for communication with a computer and external power supply/charging of the internal Li-on battery. The meter has extensive capabilities for storing historical measurement data, along with the ability to view it later on a computer. The user is able to download historical data at any time, anywhere in the world. The service is free for GQ GMC users with unlimited space to store historical data. (software downloadable from the manufacturer’s website)

It is also possible to connect the meter to a computer in order to use it in desktop mode to share measurement data from your surroundings with the GMCmap service, where you can see the live measurement data of hundreds of other users around the world and check radiation levels at their location.

The value of the received radiation dose is stored in the device’s memory and does not reset when it is turned off. The device has a very wide range of possibilities for personalizing the readings, and they can be displayed as a bar or line graph (and the graph can be scaled manually or automatically) or in several text formats.

Geiger counters are delicate devices. Inside is a glass tube filled with noble gas (this is the Geiger counter itself), so handle the device carefully and don’t drop it on the floor, as you could risk damaging the device.

In contaminated conditions, keep the meter in a Ziploc bag or other sealed container to prevent radioactive dust from entering the detector.

/ If you have questions about the operation of the device, want to get instructions or assistance, or have questions about dosimetry measurement issues – we will be happy to help and explain. /