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MEDICAL SPECTROMETER HARDWARE
Multi-Channel Analyzer
Channels 256
Inputs Probe and well
Spectral Resolution FWHM 10%
Count Rate (Maximum) 100,000 cps
Count Rate Stability 99%
Gross Count Rate Linearity Within 5% up to 100,000 cps
Pulse Height Linearity Within 2% (independent of detector)
Connectors Signal (BNC); high voltage (MHV)
Power Supply Regulated from 775-1225 VDC at 2 mAmps
Detector High Voltage Adjustment Automatic H.V. adjustment for both
probe & well. Uses 10 mCi Cs-137 as the calibration source.
Amplifier Gain Automatic/User-defined. Built in pre-amplifier provides direct connection to tube base. Automatic gain switching with isotope selection: 1, 2, 4, 8, 12, 48
Radionuclides Seven pre-selected radionuclides: I-123, I-125, I-131, Co-57, Cr-51, Tc-99m and Cs-137. Also one user-identified isotope selection.
Energy Level Discriminators Preset/User-defined LLD-ULD.
Preset Time 0-9999 seconds
Clock Speed 10 MHz (MCA)
Display LCD 2 Line
Viewing Area 154 mm x 15.3 mm
Characters 3.2 mm w x 4.85 mm h
Printer Output Port RS-232 serial port
Processor
MCA Processor DSP, 10 M.I.P.S.
Micro Controller 12 MHz
Keyboard, display, printer
Dimensions 12" w x 14" l x 3.5" h (31 x 36 x 9 cm)
Weight 8 lb (3.6 kg)
Power 115/230 VAC, 50/60 Hz
Printer Serial Printer with 32K memory
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MEDICAL SPECTOMETER PROGRAMS
Thyroid Uptake, Wipe Test, Bioassay, Schilling Test, Administration/QA, Manual MCA
Radionuclides
Factory Programmed I-123, I-125, I-131, Co-57, Cr-51, Tc-99m, Cs-137 and one user defined
Wipe Test Software Choices Am-241, Au-198, BA-133, Co-57, Co-58, Co-60, Cr-51, Cs-137, Fe-59, Ga-67, Hg-197, Hg-203, I-123, I-125, I-131, In-111, Ir-192, K-42, Na-24, Pd-103, Se-75, Sr-85, Tc-99m, TI-201, Yb-169 and 5 user defined isotopes
OTHER HARDWARE
Probe 2" x 2" Nal (T1) integral line scintillation detector with tube base
UPTAKE STAND
Dimensions 39" l x 30" w x 62" h (99.1 x 76.2 x 157.5 cm)
Arm Counterbalanced, two section arm, moves 22.5" vertically and extends
29" horizontally from stand's vertical column.
Casters 3" maxi-lok
Weight 296 lb (134.3 kg)
WELL COUNTER
Detector 2" x 2" Nal (T1) integral line detector with a .75" diameter x
1.44" deep well (1.9 x 3.7 cm)
Lead Shielding 1" thick (2.5 cm)
Cover .125" thick (.32 cm)
Connectors Signal (BNC), high voltage (MHV)
Weight 54 lb (24.5 kg)
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