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CRC-55tW incl well detector

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  • 8” VGA touch screen color display 
  • Chamber plug-and-play capability
  • NaI well detector for wipe tests and laboratory tests with 256 channel MCA with detailed spectrum for identification analysis
  • 28 programmable nuclide keys, Over 80 nuclides in memory
  • Built-in dose calibration, quality control and self diagnostics
  • Automatic chamber QC including linearity
  • Compatible with nuclear medicine information management systems via USB
  • User-definable protocols for wipe testing
  • Automated well QC including Chi-Square and MDA
  • Manual and Automatic ROI

A combination of the  CRC-55tR Dose Calibrator and Well Counter, 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 250 GBq with high accuracy. The CRC-55tW features a new helpful chamber plug-and-play capability. For wipe testing, the CRC-55tW allows the user to define specific counting procedures (protocols) with trigger levels for work, patient, unrestricted areas and sealed source leak tests. 

The CRC-55tW also performs counting functions for wipe tests in as little as 6 seconds at activities as low as 37 Bq. Low activities are measured with a drilled well high sensitivity Sodium Iodide (NaI) detector.The well counter includes a 256 channel MCA which provides detailed spectrum for identification and analysis. Manual and automatic ROI selection are available. The chamber and counter of the CRC-55tW are combined in a menu driven, touch screen interface that is easy to learn and use. Reports software archives well counter data for quality assurance procedures, wipe measurements and laboratory tests. Well counter reports are stored and searchable by date range for later viewing or printing. Wipe tests are searchable by date range, wipe type, and activity.

Data sheet


Stefan Mårtensson


Technical specification

Ionization Chamber: Thin wall, deep well, high pressure. Fill Gas: 12 atm Ultra Pure Argon
Measurement Range: Type: Auto Ranging, Activity: 250 GBq, max.Resolution: 1 kBq
Display: 8″ VGA LCD color touch screen display
Values Displayed: Activity, Nuclide (Atomic symbol, Mass number), Calibration number
Electrometer: Accuracy: Better than ± 2%, Linearity: Within ± 2%, Response Time: Within 2 sec., 4 to 16 sec. for very low activity samples (user selectable average period)
Repeatability: Within ± 1% within 24 hours, during which time the calibrator is on all the time.
Tests & Diagnostics: Full test of program, system memories. 
Daily: Auto Zero, Auto Background Adjust, Data Check, Accuracy and Constancy, Voltage Test
Enhanced: Linearity, Geometry, Strip QC
Nuclear Data: Nuclide Keys: 28 programmable keys, System Memory: Over 80 nuclides (cal number and half-life)
Molybdenum-99 Assay: Methods: Canister or CAPMAC, Measured Values: Mo-99 elution, Tc-99m, Tc-99m/Mo-99 Ratio
PC Interface: RS-232 & USB, Compatibility: Standard Nuclear Medicine Management Systems · Ethernet interface
Printer (Optional): Interface: RS-232 and USB. Type: Epson Roll, Epson Slip or Okidata full size dot matrix
Printing Options: Full size test reports. Measured results on tickets.
Power Requirements: 230 VAC (50Hz) 90 MA
Console Dimensions: 42 x 23 27 cm (H x W x D). Weight: 3,4 kg 
Chamber Dimensions: 43,8 cm and Diameter: 17,2 cm (H x Ø). Weight: 13,6 kg
Well: Diameter: 6,1 cm, Depth: 25,4 cm. Cable Length: 3,7 m
Cables: Power 1,8 m, Printer: 1,8 m
Well dimension: Outer 23,8 x 15,2 cm. Vikt 6,9 kg. Diameter 1,7 cm. Djup 3,8 cm

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