| Ionizing Radiation Detection | |
|---|---|
| LND 712 GM Tube: | Alpha (>3 MeV), Beta (>50 KeV), X-Ray, Gamma (>7 KeV) |
| J614 GM Tube (GCA-03 series): | Beta (>50 KeV), X-Ray, Gamma (>7 KeV) |
| Counting Range | |
| GCA-07, GCA-06, DTG-01: | 1 CPM - 10,000 CPS |
| GCA-03 series: | 1 CPM - 5,000 CPS |
| Radiation Measurement Range | |
| GCA-07, GCA-06, DTG-01 (Imperial): | 0.001 mR/hr to 1000 mR/hr |
| GCA-03 (Imperial): | 0.001 mR/hr to 500 mR/hr |
| Metric (GCA-07, GCA-06, DTG-01): | 0.01 µSv/hr to 10 mSv/hr |
| Metric (GCA-03): | 0.01 µSv/hr to 5 mSv/hr |
| Calibration | |
| Factory calibrated to NIST traceable standards. | |
| Sensor Types | |
| Internal GM Tube; External Wand Probe ("W" models) | |
| Display | |
| 16-character x 2-line LCD (CPM or CPS modes) | |
| I/O Options | |
| Headphone, External Speaker, External Power, 3.5mm Data Port (USB adapter optional) | |
| Data Output | |
| 3.5mm stereo jack outputs Serial Data or TTL logic pulse for radiation logging. | |
| Secondary Indicators | |
| Audio clicks, LED visual indicator, headphone jack, external power jack. | |
| Case Dimensions | |
| GCA-07 Series: | 7½" x 4.1" x 1¼" |
| GCA-06, GCA-03 Series: | 5¾" x 3½" x 1¼" |
| DTG-01 Desktop: | 8¾" x 6½" x 2¾" |
| Power Supply | |
| 9V battery or 110-220 VAC external power supply (battery not included). | |
| Random Number Generator | |
| DTG-01 Only: Selectable ranges (1-2, 1-128), TTL serial output. | |