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GMC-500 GMC-500 Geiger Counter Radiation Monitor

US$128.98 CAD$177.99 Euro€132.85 GBP£110.92
List Price US$158.98 ~ You save US$30.00
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Latest model: GMC-500
  • Latest Design
  • Large LCD display
  • Auto Horizontal and Vertical Large Font Display
  • Advanced CPU on board
  • Built-in Flash Memory.
  • Built-in WiFi
  • Onboard Speaker
  • Real Time Data Logging
  • Unlimited Server Logging Data Storage
  • Rechargeable Battery installed
  • And many more...

GMC-500is a new generation Geiger Counter from GQ Electronics. It can log thedata to server via wireless WiFi connection and internal memory at sametime.

Build-in WiFi ready, stay connected with Geiger Counter World Map

Freeonline history unlimited data storage and Geiger Counter Wold Mapservice. Get the reading from anywhere of the world. Software submit thedata every minute.It is time to get this monitoring instrument.

Real-timetesting evaluation, scientific testing on sample like: BuildingMaterial, Hospital Radiation Therapy Monitoring for Cancer, Food, Water,Indoor/outdoor,X-Ray, and more..

Real-time Graphic, Text and Large Font mode(Record radiation data and Play it back later)

This is a ready to go set. Everything included. No any adjustment needed.

Place it anywhere and then read the data.

The GQ GMC-500 digital Geiger Counter is an enhanced model of allprevious models. It added new features, such as WiFi connectivity onboard, user defined website wireless data logging to server, new graphicUI, feature expend interface etc.

Some pictures here may be taken from a GMC-320, GMC-300 model, but GMC-500 has same features on it .

Itis designed to be a portable and convenient device. The device comeswith built in audible and visual signals for the level of radiationdetected. It can be used for radiation detection and monitoring bothindoor and outdoor, as well as in other similar environments. Itfeatures automatic data recording. It can continually monitor theradiation and log the data each second into internal memory. Whenconnected to a PC, software can download the radiation history data tothe computer and the user is able to analyze those data later.

Thedevice is equipped with an USB port, utilized for communication andexternal power supply/charging of the internal rechargeable battery.

TheGQ GMC-500 internal rechargeable battery can be charged with a standardUSB charger/computer USB port or any other device with USB port. Usingthe USB power, continuous data monitoring is possible. Using eitherpower adapter you will not have to worry about the batteries chargecondition or any data loss.

The softwarenewly added Geiger Counter World Map connectivity. It allows user tostore the reading data via internet to server. User is able to retrievethe history data any time , anywhere in the world. The service is freeto GQ GMC users with unlimited history data storage space.

The main board also has a real time clock on board for time related data logging purposes.

The USB port communicates with the GQ GMC-500 demo software and the GQ Geiger Counter Data Viewer software.

TheGQ GMC-500 demo software is a 1:1 to actual GMC-500 unit. Itsappearance is an exact copy of the GMC-500 hardware human interface. Youcan download it for free and experience the GMC-500 user interfacebefore you purchase the real hardware. Download It Here

TheGQ Geiger Counter Data Viewer software can download the time stampedradiation (history) data from the unit and save it on a computer forfuture references and analysis.

For professional data logging ofradiation data, the GQ Geiger Counter Data Viewer(Logger) may bedownloaded for free. An even more advanced version, the GQ GeigerCounter Data Logger PRO software may be purchased at low cost from GQElectronics LLC.

The GQ data viewer software also can be used asrealtime data monitor. user is able to save the realtime data into Excel.csv text format, HTML file format etc.

GQ GMC-500 provides open GQ RFC1201 communication protocol for easier system integration. For details please download it here.

  • Radiation Detection: Beta, Gamma and X-Ray .
  • Detection Dose Range: 0 ~ 4250uSv/h
  • Detection CPM Range: 0 ~ 655350 CPM
  • Detectable Energy Range: 0.1~3.0 MeV
  • Own Background: 0,2 Pulses/s
  • Working Voltage: 3.2-4.0V
  • LCD Display: Dot matrix with back light
  • Working power: 0.045W - 0.2W
  • Power: 3.6V/3.7V battery / USB power
Click here to see 'GQ Geiger Counter Selection Guide'

The following CPM data is measured by GMC-500:
Source CPM reading
Background 20~40
Public park granite table 50~83
Uranium glass bead 238U 320
Uranium ore 238U 2905
Standard 5uCi radioactive source 26500

For technical support, please visit our support forum:

Try the exact copy of GMC-500 Demo before you buy it:
GQ GMC-500 Geiger Counter Demo

Measuring on Antique Vintage Radioactive Red Fiestaware Dinner Plate and candy Jar

Space Radiation Detected on the airplane

Main features:
  • Small,portable hand-held
  • Audio and visual indication for nuclear radiation detections.
  • Dot matrix LCD digital display model with back light.
  • USB Data port for connection with computer/PC/laptop GQ Soft Geiger Counter software
  • Battery charging feature for charging internal battery.
  • USB DC input port for external power input, so that continually monitoring become possible.
  • Powerfull counter circuit is capable for handling high CPM counting.
  • Hign sensitivity tube M4011 installed (user can remove this tube install other tube if needed)
  • built-in battery charging circuit
  • On-board real-time clock
  • On-board temperature sensor
  • On-board electronic gyroscope
  • Once mega bytes on-board flash memory for history data record
  • on-board speaker.
  • Accepts both rechargeable and non-rechargeable 3.6V/3.7V battery
  • DC power adapter operation
  • Dimension: 5'x2.85'x1'

  • Text mode provide maximum data information. e.g. CPM, Date, Time, Elapsed time, uSv/h, mR/h etc.
  • Real-timegraphic mode provide visualized real-time radiation changes, so thatmuch easier to observe the data changes. It also display the CPM rate atsame time. In Graphic mode, the ZOOM feature let user to see from lowestto highest graph onscreen.
  • Back light Control to set the back light ON,OFF and timeout. So that to save the power.
  • Battery charging and battery level indicator.
  • Battery type selectable in software.For rechargeable or non rechargeable
  • Speaker ON/OFF control.
  • Alarm setting. It sets the alarm ON/OFF, alarm type, alarm level.
  • Date time set the real-time clock.
  • Temperature display in celsius OR fahrenheit.
  • Swivel display setting. Auto 180 degree swivel display provides a convenience reading when unit upside down.
  • Three points calibration. For CPM to uSv/h and mR/h conversion
  • Power saving mode let unit keep running at minimum power.
  • Data saving mode selection. let unit record data every second/minute/hour. Up to 7 days history data
  • History data searching
  • Variable serial communication baud rate
  • and more....

Package include items:
  • GQ GMC-500.
  • USB cable
  • Quick start guide
  • Download link for USB driver and software on Windows both 32 and 64 bits
  • Download link for complete User Guide in PDF format. Download it here.

    For technical support, please visit our support forum: Enter Forum Here

    GQ data viewer software screen shot:

    A Recorded History Data Example, CPM(Count Per Minute) Reading on airplane
    See here for original posting.

    Count Per Second Reading
    See here for original posting.

  • Realtime data saved in Excel .CSV text format

    Realtime data saved in HTML format

    Logged Data on World GMC Map

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