27
Detector
Internal Halogen-quenched, uncompensated GM tube with thin mica window, 1.4-2.0 mg/cm2 areal density.
center of the detector.
Averaging Periods
Display updates every 3 seconds. At low background levels, the update is the average for the past 30-second
Operating Range
mR/hr - .001 (1μR) to 100
CPM - 0 to 350,000
μSv/hr - .01 to 1000 CPS - 0 to 5000
Total Counts (Total/Timer) - 1 to 9,999,000 counts
Accuracy (Cs
137
)
mR/hr ±10% typical (NIST), ±15% max - 0 to 100
μSv/hr ±10% typical (NIST), ±15% max - 01 - 1000
CPM ±10% typical (NIST), ±15% max - 0 to 350,000
Energy Sensitivity
approx. 25%. Detects Gamma down to 10 KeV through the end window. 3340 CPM/mR/hr (Cs
137)
. Smallest
detectable level for I
125
is .02 μCi at contact.
Display
4 digit liquid crystal display with indicators. Display updates every 3 seconds.
Alert Set Range
are used for mR/hr / CPM, and μSv/hr / CPS. Alarm will sound when in Timer Mode when set alarm threshold
is reached.
Count Light
Audio Indicator
Outputs
Dual miniature jack drives CMOS or TTL devices and counts to computer or datalogger.
Anti-Saturation
Power Requirements
Temperature Range
-10ºC to 50ºC (14ºF to 122ºF)
Weight
Size
150 x 80 x 30 mm (5.9 x 3.1 x 1.2 in.).
Includes
Options
Xtreme Boot, Wipe Test Plate, & Stand
Limited Warranty
1 year limited warranty.
5
4
3
2
1
0
10
1
10
2
10
3
10
4
ENERGY RESPONSE
RELATIVE
PHOTON ENERGY (keV)
COUNTRATE
End Window
Side Wall