| Manufacturer | GQ Electronics LLC |
|---|---|
| Place of Business | GQ Electronics LLC |
| Part number | GMC-300S |
| Item Weight | 220 g |
| Product Dimensions | 14.5 x 13.5 x 4 cm; 220 g |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Manufacturer reference | GMC-300S |
| Included components | 1 Lithium Ion battery |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| Length | 14.5 Centimetres |
| Width | 13.5 Centimetres |
| Height | 4 Centimetres |
GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter Made in USA
Purchase options and add-ons
- GQ GMC-300S Geiger Counter has a Real-time data logging every second into internal memory
- This Geiger Counter is designed as a portable and light weight device. It also provides a history data that can be downloaded to the computer
- This nuclear radiation detector includes a rechargeable battery
- Free data Viewer PC software
- GQ GMC-300S has Dosimeter mode, CPM count mode, Graph mode
Frequently bought together

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Product information
Technical Details
Additional Information
| ASIN | B0BNJTYJN9 |
|---|---|
| Customer Reviews |
4.4 out of 5 stars |
| 鶹 Rank |
|
| Date First Available | Nov. 28 2022 |
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Product Description
GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter
As an enhanced version, it has higher sensitivity to facilitate a lower level of radiation detection. It also has LCD contrast control, a front LED indicator, analog data port output, a new graphic display, and speaker on/off features. It also has unique features, such as, recording data first playing it back later; opening protocol for easy application integration; visualizing real-time graph, and data logging. Portable and convenient with built-in audible and visual signals, it features automatic data recording. It is able to continually monitor the radiation and log the data each second into internal memory.
When connected to a PC, GQ software can download the radiation history data to the computer and the user is able to analyze those data later. the device uses a USB port for communication and power. The internal battery can be charged via a wall adapter or car adapter.
Technical Specifications
| Range of dose rate in µSv/h: | 0.00 to 1000.00 |
| Range of dose rate in mR/h: | 0.00 to 100.00 |
| Radiation detection: | Beta, Gamma, X-Ray |
| Maximum Dose Reading: | 99,999,999.99 µSv OR 9,999,999.99 mR |
| On Board Data Logging: | Every Second CPS for 24 hours, Every Minute CPM for 7 days, Every Hour ACPM for 2 years. |
| Power Supply: | Removeable and Rechargeable Li-ion battery OR USB power from cell phone charger or any USB port |
| Internal Flash Memory | 64 KB |
Daily Radiation Level Detection and Monitoring
Seafood Radiation Detection
Fruit Radiation Detection
I-131 Radiation Treatment Monitoring
Animal Cancer Radiation Treatment Monitoring
Industrial Environment Radiation Level Detection and Monitoring
Nuclear Power Plant Leaking Testing
Nuclear Disaster Radiation Level Monitoring
Mineral Radiation Detection
Free Online Data Storage On GMCmap
GQ Geiger Counter Family includes GMC-300S, GMC-320S, GMC-300E, GMC-320+ GMC-500+ GMC-600+ GMC-800
Nuclear Radiation Detection
- All models are designed, final assembled, Quality tested at Seattle, USA
- USA NRC/NIST compliance
- Dual usage modes: portable stand along or fixed spot with PC
- Onboard CPU/Time Count/Fast response
- Superior Data handling Saving, Data Logging, Transferring, Analyzing
Multifunctional
- Real time Geiger Counter
- Dosimeter
- Graphic history
- Data saving at the unit
- Downloadable & play later
- Continuous Radiation Monitoring possible via Connecting to PC
- Real-time clock
- Display Contrast Adjustable
- Backlight Brightness Adjustable
Power Supply - Battery or USB port
- Rechargeable various charging methods
- Replaceable
- Buyable at Market
- Portable & Light weight
- Power management design
- Long usage time
Advance Features
- Firmware update
- Free standard software
- Audio data ports
- Free GMCMap for global data sharing
- Online Map/forum
- Open protocol
GMC-300S
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GQ GMC300EPlus
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GMC-320Plus
|
GMC-500Plus
|
GMC-800
|
GMC-600Plus
|
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|---|---|---|---|---|---|---|
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| Sensor Type/Quantity/Radiation Type | Geiger Muller Tube/One/Beta, Gamma, X-ray | Geiger Muller Tube/One/Beta, Gamma, X-ray | Geiger Muller Tube/One/Beta, Gamma, X-ray | Geiger Muller Tube/ Two /for High Radiation/Beta, Gamma,X-ray | Geiger Muller Tube/One/Beta, Gamma, X-ray | USA Made Pancake Geiger Muller Tube /One/Alpha,Beta,Garmma,X-ray |
| LCD Display Type/Size/ Capacity/Readable under the sun | Black&White/2.5"/ Dot Matrix Graphic /Yes | Black&White/2.5"/ Dot Matrix Graphic /Yes | Black&White/2.5"/ Dot Matrix Graphic /Yes | Black&White/2.7"/ Dot Matrix Graphic /Yes | Color /3.3"/ TFT IPS Graphic LCD/Yes | Black&White/2.7"/ Dot Matrix Graphic /Yes |
| UI design Intuitive Grade | Good | Good | Good | Good | Superior | Good |
| Alarm methods & threshold settable | LED, Click, Beep | LED, Click, Beep | LED, Click, Beep | LED, Click, Beep | LED, Click, Beep, Voice, Main Screen Bar, Vibration | LED, Click, Beep |
| Data Handling Capability / View History Data on unit & PC | 64KB Internal Flash Memory /Yes | 64KB Internal Flash Memory /Yes | 1MB Internal Flash Memory/Yes | 1MB Internal Flash Memory /Yes | 2MB Internal Flash Memory/Yes | 1MB Internal Flash Memory /Yes |
| Battery Model/Power Management | Lithium Ion 14500 /Yes | Lithium Ion 14500/Yes | Lithium Ion 14500/Yes | Lithium Ion 18500/Yes | Lithium Ion 14500/Yes | Lithium Ion 18500/Yes |
| Multilingual Language | - no data | - no data | - no data | Supported | - no data | Supported |
| Dose rate max range | 153800 CPM | 65535 CPM | 65535 CPM | 999,999 CPM | 299,999 CPM | 999,999 CPM |
| Manufacturer's note | Simple, Reliable, Affordable | Long term market test reliable tool | Versatile, User-Friendly, Swivel Display | Large LCD, widest measurement range | Modern Outlook, largest color IPS display, user friendly interface, power management | Highly Sensitive, High End Geiger Counter |
Product details
- Batteries : 1 Lithium Ion batteries required. (included)
- Product Dimensions : 14.5 x 13.5 x 4 cm; 220 g
- Date First Available : Nov. 28 2022
- Manufacturer : GQ Electronics LLC
- Place of Business : GQ Electronics LLC
- ASIN : B0BNJTYJN9
- Manufacturer reference : GMC-300S
- Country of origin : USA
- 鶹 Rank: #3,245 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- Customer Reviews:








