How far away can this detect beta and gamma radiation?

The Geiger counter can detect radiation that reaches its sensor. Depending upon the energy level of the beta radiation, it can travel a few inches to a few feet in open air. Gamma radiation on the other hand can travel very long distances and penetrate many materials.

On the 6th image I see a lage kit, is it all included?

No. The only thing you are purchasing is the GCA-03W Digital Geiger counter. The image you pointed out illustrates a partial product line of the nuclear related products available from Images SI Inc.

does it detect alpha?

No. The GM Tube in the GCA-03W can not detect alpha radiation. The GM tube is sensitive to beta, x-ray and gamma radiation.

How easy is this to use? What would be the best product for both backround and item detection?

All our digital Geiger counters are easy to use. They ARE NOT menu driven devices with membrane switches that are prone to errors. Our digital Geiger counters use physical switches to control all functions. To choose the best product for your application, you would need to know if the item(s) you need to check emit alpha radiation. The GCA-03 series does not detect alpha radiation. So if you were checking a piece of uranium or radioactive ore, the uptick in radiation would be small, because the Geiger counter is insensitive to alpha radiation. The GCA-03 series does detect and measure background radiation. If you want a Digital Geiger counter that is sensitive to alpha radiation I would suggest the GCA-06W or the GCA-07W.

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GCA-03W Geiger Counter Nuclear Radiation Detection Monitor with Digital Meter and External Wand Probe - ANSI N323A Certification Ready- 0.001 mR/hr Resolution - 350 mR/hr Range

Product ID: 23579666

⚡0.001 mR/hr ultra-fine resolution

📏350 mR/hr wide detection range

🧪NIST-traceable factory calibration

¥114412

Duties & taxes included

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Description

🛡️ Stay ahead of invisible threats with pinpoint precision!

PORTABLE POWERHOUSE - Lightweight (2 oz) handheld design with an external wand probe for easy, on-the-go inspections.
CERTIFIED RELIABILITY - ANSI N323A ready and factory calibrated with NIST-traceable sources for trusted, regulatory-grade readings.
BROAD SPECTRUM DETECTION - Monitors beta, X-ray, and gamma radiation across a wide 350 mR/hr range to cover all safety bases.
MADE IN THE USA WITH SUPPORT - Assembled domestically with dedicated USA tech support, ensuring quality and peace of mind.
PRECISION AT YOUR FINGERTIPS - Detects radiation with an ultra-sensitive 0.001 mR/hr resolution for pinpoint accuracy.

The GCA-03W Geiger Counter is a compact, handheld nuclear radiation detector offering ultra-fine 0.001 mR/hr resolution and a broad 350 mR/hr detection range. Factory calibrated with NIST-traceable sources and ANSI N323A certification ready, it reliably detects beta, X-ray, and gamma radiation. Lightweight and equipped with an external wand probe, it’s perfect for regulatory inspections and personal safety monitoring, backed by USA-based assembly and tech support.

Specifications

ASIN	B000796XTG
Best Sellers Rank	#360,819 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #52 in Lab Geiger Counters
Date First Available	October 2, 2001
Item Weight	2 ounces
Item model number	GCA-03W
Manufacturer	Images SI Inc.
Product Dimensions	6 x 3.25 x 2 inches

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