
MyRIAM
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Manual_Myriam_EN_10-04-08.doc
(c) SARAD GmbH
Technical Data
Power Supply
Internal batteries for approx. 24 hours operation,
recharge time approx. 1 hour
Operation
1 Button (lock function)
Display with back-light (3 x 12 characters)
Alarm
optical (red bright LED at the top of the detector head)
acoustical (sounder 85 dB at 2,3 kHz)
Dimensions/Weight
138 mm x 57 mm x 32 mm / 300g
Interface
Infrared (Reader unit for PC, connection via USB)
Memory
240 Data records and Alpha spectrum
Integration Interval
1 ... 255 Minutes (one Minute steps)
Detector
150 mm² ion-implanted silicon detector
Pump
0.25 L/min
Filter
0.8 µm PTFE, operable > 1 Month at „normal“ dust
exposure
Alpha Spectroscopy
2.8 ... 10 MeV
Energy Window for LLRD
Alpha radiation
2.8 ... 5.5 MeV
Lower Beta Cut Off
200 keV
Gamma interference of the
approx. 15 cpm / µSv/h
Beta channel
Maximum count rate
100 000 counts per Minute (cpm)
Instrument display max. 999/9999 cpm (Alpha/Beta)
Dose value displayed only for less than 50000 cpm
Detection Limits/Thresholds
refer following text
Software
Instrument-setup, data download, graphic display of
acquired data (exposure, dose, concentration), ASCII
Export (EXCEL compatible text file)