Technical Specifications

Nucline TH Technical Specifications

Measured per NU-1, 1994 using Tc-99m where applicable.

Performance characteristic *			Nucline ™
Type ( Number of PMTs / Useful Field of View )			TH 22 ( 22 / 180 x 180 ) TH 33 ( 33 / 230 x 215 ) TH 45 ( 45 / 270 x 270 )
Crystal thickness			6.4	9.5	12.5	mm
Intrinsic spatial resolution	CFOV	FWHM	2.9	3.6	4.1	mm
		FWTM	5.8	7.2	8.2	mm
	UFOV	FWHM	3.0	3.7	4.2	mm
		FWTM	6.0	7.4	8.4	mm
System spatial resolution with LEAP / LEHR collimator		FWHM	8.5 / 7.0	8.7 / 7.2	8.9 / 7.4	mm
System spatial resolution with LEAP / LEHR collimator		FWTM	16.5 / 13.5	16.7 / 13.7	16.9 / 13.9	mm
System sensitivity			240 / 150	260 / 160	280 / 180	cpm/µCi
Intrinsic energy resolution	UFOV	FWHM	9.9			%
Intrinsic flood field uniformity	CFOV	differential	1.9			%
		integral	2.4			%
	UFOV	differential	2.4			%
		integral	2.9			%
Intrinsic spatial linearity	CFOV	differential	0.18			mm
		absolute	0.38			mm
	UFOV	differential	0.20			mm
		absolute	0.40			mm
Intrinsic count rate performance without scatter		maximum	200			kcps
Intrinsic count rate performance without scatter		at 20% loss	160			kcps
Maximal matrix size			1024 x 1024			pixel
Camera weight			180			kg
Minimal room size			6 ( 2 x 3 )			m²
Uptime warranty			98			%
On wheel movement			Yes
Movements directions			3
Collimator fixing			2 directional auto-fixing
Collimator changing time			< 0.2			min

Last updated: 19. January 2005, 10:28