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GQ products are very well made using high quality parts and materials. They have a nice web site. You never know when you might need to measure or detect beta and gamma radiation, This unit has a very good rechargeable li-ion battery. A very nice quality PCB and two good glass geiger tubes. This geiger counter works very well.
Verified purchase: Yes | Condition: New
Great product. I do own 300. 320 as well 500 model and already purchased 500 plus I love the value and simplicity of accurate reading and display is clear and visible. Absolutely awesome and beautiful design. Thanks
Verified purchase: Yes | Condition: New
Easy to use and has alert features that you can adjust. Highly recommend.
Verified purchase: Yes | Condition: New
I compared this unit head-to-head with two other survey meters, including an $800 Ludlum. Apart from its inability to detect alpha radiation, it performs on par and is super lightweight. I'm happy with my purchase
Verified purchase: Yes | Condition: New
Great little Geiger Counter, I have many older and high prices ones, this is great for keeping with you in the car... !
Verified purchase: Yes | Condition: New