| Battery Life1 |
| Standard 9V Lithium |
60,000 Hours / 6.85 Years |
| Standard 9V Alkaline |
28,250 Hours / 3.22 Years (included) |
| Detector |
LND 712 Geiger-Muller tube, Halogen-quenched with mica end-window |
| Radiation Detected |
alpha, beta, gamma and x-radiation |
| Energy Sensitivity |
alpha: minimum 2.5 MeV; efficiency at 3.6 MeV > 80%
beta: minimum 50 keV with 35% efficiency at 150 keV 75%
gamma/X rays: min 10 keV (window), min 40 keV (case)
gamma sensitivity: 1,000 CPM/mR/hr
calibrated to Cesium-137 (Cs137) |
| Accuracy |
±10% Typical, ±15% Maximum |
| Measurement Ranges |
0.001 to 200 mR/hr
0.01 to 2,000 uSv/hr
1 to 200,000 uR/hr or CPM (1,000 CPM/mR/hr)
0 to 3,333 CPS (16.66 CPS/mR/hr)
Total Count: 0 to 4,294,967,295 (32 Bit Integer) |
| Measurement Statistics |
Continuous availability of Elapsed Time, Average, Minimum and Maximum dose rate in either uR/hr, mR/hr, uSv/hr, CPS or CPM |
| Timed Measurement |
Selectable 1, 5, 10, 20, 30, 60 and 90 minute interval |
| Dose Rate Alarm |
Alarm can be set in mR/hr or uSv/hr to any value within the measurement range |
| Internal Data Logging |
| Storage |
100,000 Bytes non-volatile memory |
| Logging Intervals |
Every Minute or Every Hour |
| Maximum Capacity |
91,466 Minutes or Hours (90% Normal Background, 10% Full-Scale) |
| Minimum Capacity |
32,656 Minutes or Hours (100% Full-Scale Measurement Levels) |
| Logging Output Format |
Standard Comma Separated Value (CSV) with time stamp and CPM Data (1,000 CPM/mR/hr) |
| User Interface |
| Languages Supported |
English and Japanese |
| Display |
Two-Line, 14 character transflective LCD with back light for low light conditions |
| Keypad |
Weather resistant commercial-grade membrane keypad |
| Visual Indicator |
LED pulses on and off when a radiation detection event occurs. LED can be disabled. |
| Audio Indicator |
Tone beeps when a radiation detection event occurs. Audio three volume levels and can be muted. |
| Input / Output |
| Audio Output / Digital Interface |
Standard 3.5mm jack with three selectable volume levels for output to audio systems, computer speakers or media player headphones.
Jack can also be provisioned by the user for pulse output or as a USB Interface for logging data by PC or transferring internal data logging memory (requires optional cable) |
| External Power |
9 VDC at a minimum current rating of 100mA |
| Environmental / Physical |
| Temperature Range |
-20° to 51° C (-4° to 125° F) |
| Size |
143 x 83 x 35 mm (5.63" x 3.25" x 1.37") |
| Weight |
261 grams (9.2 oz.) including battery |
| Compliance |
CE, Lead-Free |
| Warranty |
One Year (120 Days on GM Tube) |