Color TFT Display — See Radiation Your Way
- Analog meter mode for fast, intuitive needle readings.
- Real-time digital graph to visualize radiation trends over time.
- CPM multi-mode summary showing all key measurements at a glance.
Professional radiation detection · Made in the USA
GCA-09W Digital Geiger Counter
Color TFT display with multiple viewing modes.
The GCA-09W brings a vivid color TFT display to professional radiation detection—choose from analog meter, real-time digital graph, or comprehensive CPM multi-mode summary, all in a rugged handheld instrument made in the USA.
Color TFT display
External wand probe
Alpha, beta, gamma & X-ray
Built for professional radiation detection
See radiation your way.
Explore the display, detection, and support features of the GCA-09W.
Laboratory-Grade Accuracy
- ANSI-STD N323A Certification-Ready design.
- Detects Alpha, Beta, X-ray, and Gamma radiation.
Rugged & Professional Build
- Durable casing with robust toggle switches.
- Battery indicator always visible on-screen.
- Compact and ergonomic for field or bench use.
Dedicated Support
- Priority USA-based customer service.
- Compatible with Geiger graphing software.
Color TFT display
Multiple views. One instrument.
Analog meter, real-time digital graph, and CPM multi-mode summary views.
Explore the details
Configure your counter
GCA-09W & additional options
Choose optional certification or a belt clip, then add your counter to the cart.
ANSI-STD N323A certification adds approximately two weeks to delivery.
Extend your setup
Accessories & software
Geiger Graphing Software
$49.95
Includes compatible USB/TTL cable.
Try the free version
Experiments With A Geiger Counter
Paperback book
$19.95
Free e-Book offer
Pulse Counting Software
Free
View Free Software