Updated:2023-10-12
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The Digilert 100 measures alpha, beta, gamma and x-rays. Its digital display shows readings in your choice of counts per minute (CPM) or mR/hr or in accumulated counts. A red LED flashes and a beeper sounds with each count detected and when the radiation reaches a user set alert level.
Both the SE Digilert 100 & 200 have been discontinued. Their replacement is:SE Monitor 200
Specifications
Detector: | Halogen-quenched GM tube with thin mica end window. Mica window density 1.5 - 2.0 mg/cm2. Effective window diameter is .360 inch. Side wall is .012 inch thick. |
Operating Range: |
mR/hr - .001 (1µR) to 110 µSv/hr - .01 to 1100 CPM - 0 to 350,000 CPS - 0 to 5,000 Total / Timer - 1 to 9,999,000 counts |
Accuracy: | ± 10% typical (NIST), typically ± 15% of reading |
Energy Sensitivity: |
1,000 CPM / mR/hr (Cs137) Detects alpha down to 2.5 MeV; typical detection efficiency at 3.6 MeV is greater than 80%. Detects beta at 50 keV with typical 35% detection efficiency. Detects beta at 150 keV with typical 75% detection efficiency. Detects gamma and x-ray down to keV typical through the window, 40 keV minimum through the case. |
Anti-Saturation: | Readout will hold at full scale in high radiation fields as high as 100 times the maximum reading. |
Display: | 4-digit liquid crystal display with mode indicators. Display updates every 60 seconds. |
Count Light: | Red LED flashes with each count. |
Audio Indicator: | Sounds with each count (can be switched off for silent operation) |
Alert: | Pulsating beeper sounds the alert. Three separate adjustable alert levels are used for mR/hr, CPM, µSv/hr and Total. |
Outputs: | Dual miniature jack sends counts to CMOS-compatible devices including computers, data loggers and educational data collection system. Sub-mini jack provides audio output to an external earpiece, amplifier or tape recorder. |
Temperature Range: | -10°C to 50°C (14°F - 122°F) |
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