5130-3216-USED
As a combination of the popular CRC®-25R Dose Calibrator and the CAPRAC®-R Well Counter, the CRC®-25W dose calibrator provides advanced features with the speed and accuracy you need to measure activity and prepare doses. Its ion chamber is one of Capintec's time-tested, high pressure well designs capable of measuring a dose as high as 6 Ci (250 GBq) of Tc 99m with high accuracy. The CRC®-25W also features chamber plug-and-play capability.
OVERVIEW
For wipe testing, the CRC®-25W allows the user to define specific counting procedures (protocols) with trigger levels for work, patient, unrestricted areas and sealed source leak tests. The CRC®-25W also performs counting functions for wipe
tests in as little as 6 seconds at activities as low as 1 nCi. Low activities are measured with a drilled well high sensitivity Sodium Iodide (NaI) detector. The 6-channel pulse-height analyzer also provides the user with pulse amplitude discrimination, which can be used to help with radionuclide isotope identification. The chamber and counter of the CRC®-25W are combined in a menu driven, push-button interface that is easy to learn and use. Hardwired microchip control eliminates analog switches and dials, while improving measurement response time.
FEATURES
SPECIFICATIONS
Well Detector
• Type: Sodium Iodide (NaI) drilled-well crystal detector
• Energy Discrimination: Fixed range MCA, channel windows are
15-100, 100-200, 200-400, 400-660, 660-800 and >800 keV
• Warning Trigger Levels: User-definable
• Tests: Daily test by standard sources (Cs-137 or Ba-133), data
and program memory configuration
Ionization Chamber
• Type: Thin wall, deep well, high pressure
• Measurement: Auto ranging
• Activity Range: Up to 6 Ci (250 GBq)
• Resolution: .001 mBq (.01 μCi)
• Response Time: Within 2 sec., for low activity sample, 4 to 16
sec. (user selectable)
• Tests: Daily tests include Auto Zero, Background Adjustment,
Voltage Test, Data Check, Accuracy and Constancy
Display Screen
• Type: Dot matrix liquid crystal display
• Bq/Ci Reading: User selectable or fixed
• Calibrator Values: Selected radionuclide,calibration number,
measured activity and display units (Bq/Ci)
• Counter Values: Wipe and lab test results
Electrometer
• Accuracy: Better than ± 2%
• Linearity: Within ± 2%
CRC-25W Dose Calibrator ®
Nuclide Data
• Nuclide Setting Keys: 8 pre-set, 5 user selectable
• Calibration # Key: Calibration # Keys for Over 200 nuclides
• System Memory: Over 80 nuclides (w/cal number and half-life)
Standard Source Data
• System Memory: Co-57, Co-60, Ba-133, Cs-137, Ra-226 standard sources
Molybdenum-99 Assay
• Methods: CAPMAC® & canisters
• Measured Values: Mo-99 elution, Tc-99m,Tc-99m/Mo-99 ratio
PC Port
• Interface: RS-232C and USB port
• Compatibility: Standard nuclear medicine management systems
Printer Port
• RS-232 & USB
Power Requirements
• 100-240 VAC (50/60 Hz) 100 MA
Tests
• Diagnostics: Full test of program, system memories
Cable
• Printer (Optional): 1.8m (6ft)
DIMENSIONS
Console Dimensions
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