SEI Inspector USB / Digital Radiation Detector - a ? y x
SEI Inspector USB/數(shù)字放射性檢測儀 - a ? y x
Detector:
Internal Halogen-quenched, uncompensated GM tube with thin mica window, 1.4-2.0 mg/cm2 areal density. Effective diameter of window is 45 mm (1.77 in.). Radiation symbol on front label and end panel marks the center of the detector.
操作范圍：
mR/hr - .001 (1µR) to 100
CPM - 0 to 350,000
µSv/hr - .01 to 1000
CPS - 0 to 5000
Total Counts- 1 to 9,999,000 counts
Accuracy (Referenced to Cs137)
Typically ±15% from factory, ±10% with NIST Source Calibration
靈敏度：
Detects Alpha down to 2 MeV. Detects Beta down to .16 MeV; typical detection efficiency at 1 MeV is
approx. 25%. Detects Gamma down to 10 KeV through the detector window. 3340 CPM/mR/hr (137Cs). Smallest detectable level for 125I is .02 µCi at contact.
內(nèi)置效率：
Sulfur (35S), Strontium (90Sr/y), Cesium (137Cs), Phosphorus (32P), Carbon (14C), Iodine (131I), Cobalt (60Co), and Alpha
可選擇的警報設(shè)定范圍：
mR/hr .001 - 50 and CPM 1 - 160,000. 70db @ 1m. Pulsating beeper sounds the alert. Adjustable alert levels are used for mR/hr / CPM, and µSv/hr / CPS. Alarm will sound when in Timer Mode when set alarm threshold is reached.
Anti-Saturation
Meter will hold at OVER RANGE in fields as high as 100 times the maximum reading.
Averaging Periods
Display updates every 3 seconds. At low background levels, the update is the average for the past 30-second time period. The timed period for the average decreases as the radiation level increases.
Energy Response Curve
顯示：Backlit 4 digit liquid crystal display with indicators.
Count Light
Red LED flashes with each radiation event.
Audio Indicator
Internally mounted beeper (can be switched off for silent operation)
輸出：
3.5mm jack for CMOS or TTL devices and counts to computer or datalogger.
USB for use with Free Observer USB Software for PCs
供電：
One 9-volt alkaline battery (non-rechargable) or USB-AC Adapter. Battery life is approx. 1200 hours at normal background.
溫度范圍：
-10oC to 50oC (14oF to 122oF)
重量：
273 g (9.6 oz.) without battery.
尺寸：
150 x 80 x 30 mm (5.9 x 3.1 x 1.2 in.).
包括：
Carrying Case, Certification of Conformance, USB Cable, Observer USB Software
可選擇：
Xtreme Boot, Wipe Test Plate, & Stand
質(zhì)保期：
1 year limited warranty
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