AT2503 personal dosimeter
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Brief description:Easy-to-operate, compact, high-precision, high-reliability microprocessor detector Can be connected to a computer through the reader to become part of the automatic employee dose monitoring system This dosimeter is used to measure personal x-ray and gamma-ray dose equivalents and dose rate equivalents in the energy range from 50keV to 1.5 MeV
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Detailed introduction
AT2503 personal dosimeter
Product introduction
l Easy-to-operate, compact, high-precision, high-reliability microprocessor detector
l The reader can be connected to a computer and can become part of an automatic employee dose monitoring system.
l This dosimeter is used in the energy rangeMeasurement of personal x-ray, gamma-ray dose equivalents and dose rate equivalents from 50keV to 1.5 MeV
l The detector is energy compensatedGM tube, microprocessor and correct background detection ensure highly accurate dose measurement over a wide dose rate measurement range
l Microprocessor controls operating modes, calculations, and display with backlightDisplay data on LCD and perform self-test
l After the dosimeter is turned off, the accumulated dose and its historical records are still stored in the memory.
l This dosimeter has been30 x 30 x 15 cm aqueous phantom calibrated and compliant with ISO4037-3 international standard
l AT2503 is used to measure personal x-γ radiation dose equivalent and dose equivalent rate
l Read or set personal and dosimeter serial number functions
l Threshold functions to modify dose and dose rate
l activate/Lock the change threshold function of the dosimeter button
l Standard configuration: personal dosimeter, battery, clip chain, plastic box, manual, instrument bag
l Optional parts: reader, application software
Application areas
l Nuclear industry
l nuclear medicine
l Radiology
l Non-destructive testing
l emergencies
l civil aviation science research
l Monitoring of absorbed dose load in humans
Product features
l The detector is compact and lightweight and can be placed in a jacket pocket for personal dose measurement.
l Change the dose accumulation time interval in the range of 1-255 minutes, and a table evaluates the cumulative dose in each time interval.
l Non-volatile memory automatically saves up to800 dose value
l Reset cumulative dose
l activate/Lock the function of resetting the cumulative dose of the dosimeter button
l Automatically save data in the data table and print the data
l The operating modes are:"dose", "dose rate", "power save mode", "catalog", "reset dose", "dose threshold", "dose rate threshold" and "exchange data with computer"
l simultaneous wide rangeMeasurement of gamma radiation dose and dose rate
l Anti-impact, anti-vibration, dust-proof, waterproof, and anti-electromagnetic interference.
l Continuous self-test of detector working status and battery power
l Visual and audible alarm
l Stand-alone application or system application with computer
l Small size and light weight
l The pulse interval is greater than10ns x-ray alarm function
Technical parameters
dose equivalent | 1 μSv - 10 Sv |
dose rate equivalent | AT2503：0.1 μSv/h - 0.5 Sv/h ； AT2503A：0.1 μSv/h - 0.1 Sv/h |
dose measurement error | ±15% |
137Cs calibration error | ±5 % |
Dose rate measurement error | 0.1 to 1 μSv/h: ±25%; more than 1 Sv/h: ±15% |
energy response difference | 50 keV — 1.5 MeV：±30 % |
Audible and visual alarm conditions | Exceeding dose and dose rate limits, detection failure, battery shortage alarm limit |
dose | 30 μSv；200 μSv；1 mSv；4.2 mSv；12.5 mSv；50 mSv；100 mSv；1 Sv |
dose rate | 0.6 μSv/h；3 μSv/h；30 μSv/h；300 μSv/h；3 mSv/h；30 mSv/h；300 mSv/h；500 mSv/h |
response time | Hp(10) > 10 μSv/h：5 s |
radiation overload | AT2503: up to 5 Sv/h; AT2503A: up to 1 Sv/h |
temperature range | -10°，+40°C |
Relative humidity (+ 40°C） | 98 % |
Protection level | IP54 |
Power requirements | 3 cells type：SR 44, V357, LR44, A76 |
continuous operation time | Hp(10) < 1 Sv/h (economy mode, backlight off): 5000 h |
EMC compatibility | CEI/IEC 61000-4-2:1995；IEC 61000-4-3:1995 |
Size | Dosimeter:85×46×16 mm; reader: 90×66×28 mm |
weight | Dosimeter:70 g; reader: 300 g |
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