|
Detector |
Halogen-quenched, pancake-style Geiger-Mueller tube
with
thin mica end window |
|
Window Size |
1.4 to 2.0 mg/cm˛ thick;
diameter is 45 mm (1.75”) |
| Radiation Detected |
Alpha, Beta,
Gamma, X-ray |
| Sensitivity |
3,000 CPM per mR/hr,
referenced to Cs-137; Normal
background is approximately 30 to 60 CPM |
|
Accuracy |
± 10% typical; ± 15% maximum |
|
Operating Ranges |
.001 to 125 mR/hr; .01 to 1,250 µSv/hr; 1 to 125,000 uR/hr; 0 to
300,000 CPM; 0 to 3,000
CPS; Total from 1 to
4,294,967,295 counts |
| Anti-Saturation |
Both hardware and software
anti-saturation methods deployed |
| Measurement Statistics |
Continuous availability of Elapsed
Time, Average, Minimum and Maximum Dose Rate in either uR/hr, mR/hr, uSv/hr,
CPM, or CPS; Time and Date Stamp of Maximum occurrence |
| Timed Measures |
Selectable 1, 5, 10, 20, 30, 60, 90
minute intervals |
| Indicators |
LCD display, red LED count light,
audible beeper for count rate at 3 volume levels, mutable, audible alert |
| Display |
2 line, 14 character transflective Liquid Crystal Display with Backlight for
low light conditions |
| Languages |
English and
Japanese |
| Count Light |
Red LED flashes with each count |
| Beeper |
Chirp for each count, 3 volume levels (can be muted) |
| Alert |
User-adjustable alert level can be set in mR/hr or uSv/hr to any
value within the measurement range - set using
three buttons |
| Keypad |
Weather-resistant commercial-grade
membrane keypad |
| Data Logging |
Internal storage of 100,000 Bytes
non-volatile memory |
| Logging Intervals |
Every Minute or every Hour |
| Maximum Logging |
91,466 Minutes or Hours |
| Minimum Logging |
32,656 Minutes or Hours |
| Logging Output |
Standard Comma Separated Value
(CSV) format, with Time Stamp and CPM Data |
|
Calibration |
Calibrated to a Cesium 137 standard |
| Temperatur Range |
-20 deg. to 51 deg. C, -4 deg. to
125 deg. F |
|
Power Required |
9V alkaline battery (included in price of the unit) |
|
Battery Life |
About
28,000 hours or
3.2
years at normal background radiation
levels of less than 25 CPM |
| Optional Battery |
9V Lithium battery giving 60,000
hours or 6.8 year life |
| External Power |
9V DC at a minimum current rating
of 100mA |
|
Weight |
368 grams (13 oz.) including battery |
|
Size |
143 x 83 x 35 mm (5.6 x 3.3 x 1.4 in.) |
| Audio Output / Digital Interface |
Standard 3.5mm jack with 3
selectable volume levels for output to audio devices. Jack can also
send pulse output or function as a USB interface for logging data by PC or
transferring internal data logging memory (requires optional cable) |
| Options |
Computer cable and software (See Software) |
| Warranty |
One year limited on instrument, 45
days on Geiger-Mueller tube |
| Compliance |
Includes CE mark, lead-free |
Country of Make |
USA |
