Onboard Data Logging
Record up to eight hours of data in CPS mode. Connect to a PC using the included USB-TTL cable and software. Download into Geiger Graphing Software or the Stand Alone Fast Download App.
Professional radiation detection · Made in the USA
GCA-07W-DL Digital Geiger Counter
Handheld radiation detection with onboard data logging.
Fast, accurate, and easy to use. Detects a broad spectrum of nuclear radiation, including low-energy background radiation. Record up to eight hours of CPS data in the field for later download and playback. Assembled in the USA with USA technical support.
Onboard data logging
External wand probe
Alpha, beta, gamma & X-ray
Built for hands-on science
Reliable measurements. Practical learning.
Explore the performance, handling, and support features of the GCA-07W-DL.
Certification Ready
ANSI-STD N323A certification is available from the manufacturer at additional cost and certifies that the counter has passed ANSI-STD N323A calibration.
American-Made GM Tube
LND712 sensitivity: alpha particles above 3 MeV; beta radiation above 50 keV; X-ray and gamma radiation above 7 keV.
Handheld Design
7½ inches long × 4.1 inches wide × 1¼ inches high. Assembled in the USA with USA technical support.
Counting Resolution & Range
1 count per minute (CPM) to 10,000 counts per second (CPS).
Radiation Resolution & Range
Imperial: 0.001 mR/hr resolution and 1,000 mR/hr range. Metric: 0.01 µSv/hr resolution and 10 mSv/hr range.
Explore the details
Configure your counter
GCA-07W-DL & 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
Bench-Top Stand
$11.95
Geiger Graphing Software
$49.95
Requires a compatible USB/TTL cable.
Try the free version
Experiments With A Geiger Counter
Paperback book
$19.95
Book information & free offer
Geiger Counter USB/TTL Cable
$24.95
Pulse Counting Software
Free
View Free Software