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SE Digilert 100

Updated:2025-03-13

Brand: SE
Model: Digilert 100
Description: 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
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Product Details

SE Digilert 100 Description：

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)