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Radiation Sensor - AL53

? Detects alpha (Am-241), beta (C-14) and gamma radiation
? Ultra low power requirement (25 μA)
? Detector sensitivity: 5 cpm/μSv/h
? High immunity to RF and electrostatic fields
? Linear response over wide temperature range (-30℃ to 60℃)
? Swiss made

Model Number: AL53
Data Sheet:

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Product Specification

Description

The heart of the AL53 radiation sensor is a customized PIN diode, covered with a thin aluminum foil to make it insensitive to light. An integrated pulse discriminator with a temperature compensated threshold level provides true TTL signal output. The AL53 is capable of detecting alpha and beta particles and gamma ray.

The performance of the AL53 solid state sensor, in combination with ultra low power requirements make it a good choice for new state-of-the-art designs as well as for upgrading existing designs.

Features and Benefits

? Detects alpha (Am-241), beta (C-14) and gamma radiation

? Ultra low power requirement (25 μA)

? Detector sensitivity: 5 cpm/μSv/h

? High immunity to RF and electrostatic fields

? Linear response over wide temperature range (-30℃ to 60℃)

? Swiss made

Application Areas

? Equipment for detecting radioactivity in medical environment

? Radiation monitors for nuclear safeguards and security

? Detection of illicit substances

? Natural sciences courses and practical lab experiments

Absolute Maximum Ratings

Supply voltage, V_CC to GND	18.0V
Output short-circuit current	continuous
Storage temperature range	-65℃ to 100℃

Electrical characteristics

Unless otherwise indicated specified at：V_CC = 4.0V, T_A = 25℃
Measurement range of dose rate	0.1 μSv/h to 100 mSv/h
Pulse count rate	5 cpm ± 15% for 1 μSv/h radiation dose rate
Energy response	50 KeV to above 10 MeV
Output pulse level Output pulse width	Equal to supply voltage (positive going) 50 μs to 200 μs (LOW→HIGH→LOW)
Supply voltage range, V_CC Supply current, I_S	2.5V to 12.0V 25μA TYP
Operating temperature range	-30℃ to 60℃