　　Our HR4000CG Composite-grating (CG) Spectrometer uses our HC-1 Grating -- a revolutionary and proprietary variable-blazed grating specifically designed to provide full spectral output throughout the 200-1100 nm range, with best efficiency at 200-1050 nm.

　　The revolutionary HR4000CG is a preconfigured HR4000 Spectrometer with all of the optical bench options already selected for you.

　　This turn-key system is immediately available to you as off-the shelf.

　　Priced from $5,774.

　　Features

　　Wide range (200-1100 nm) broadband spectrometer

　　High resolution (0.75 nm FWHM)

　　Installed HC-1 composite grating and order-sorting filter

　　Works with SpectraSuite Spectrometer Operating Software, available for

　　200-1100 nm Range, 0.75 to 1.0 nm Resolution

　　The HR4000CG Spectrometer utilizes a 5 m entrance slit, proprietary HC-1 grating and patented order-sorting filter to provide a 200-1100 nm wavelength range and excellent optical resolution: 0.75 nm (FWHM). The HR4000CG comes with a 3648-element linear-array CCD detector that not only provides better optical resolution throughout the 200-1100 nm range, but also provides improved sensitivity in the 1070-1100 nm region. The HR-series Spectrometers use the HR?Optical Bench and come with UV Detector Upgrades to enhance the performance of the spectrometers in the UV.

　　Composite-grating & Variable Order-sorting Filter

　　All CG-series Spectrometers use the HC-1 grating, which is a revolutionary and proprietary variable blazed grating designed to provide a 200-1100 nm wavelength range. (See the grating efficiency curve for the HC-1 at right.) In addition to this composite grating, each CG-series Spectrometer has an OFLV variable longpass order-sorting filter to eliminate second- and third-order effects. Both the grating and OFLV filter are installed at the time of manufacture and are fixed in place.

　　Programmable Microcontroller

　　The HR4000CG has an onboard programmable microcontroller that provides flexibility in controlling the spectrometer and accessories. By using a new 30-pin connector, you can implement numerous operating parameters in the software, including controlling external light sources and retrieving data on external objects. You have access to 10 programmable digital I/Os for interfacing to other equipment; one analog input and one analog output; and a pulse generator for triggering devices.

　　Spectra Obtained with the HR4000CG-UV-NIR

　　CG-series Spectrometer solar irradiance spectrum.

　　CG-series Spectrometer irradiance spectrum of the DH2000 Deuterium Tungsten Halogen Light Source.

　　Specifications

Physical
Dimensions:	148.6 mm x 104.8 mm x 45.1 mm
Weight:	570 g
Detector
Detector:	Toshiba TCD1304AP linear CCD array
Pixels:	3636 pixels
Pixel size:	8 μm x 200 μm
Pixel well depth:	~100,000 electrons
Sensitivity:	130 photons/count at 400 nm; 60 photons/count at 600 nm
Optical Bench
Design:	f/4, Symmetrical crossed Czerny-Turner
Focal length:	101.6 mm input and output
Entrance aperture:	5 m wide slit
Grating:	HC-1, 300 lines per mm grating
OFLV filter:	OFLV-200-1100
UV enhanced window:	Yes, UV4
Fiber optic connector:	SMA 905 to 0.22 numerical aperture single-strand fiber
Spectroscopic
Wavelength range:	200-1050 nm
Optical resolution:	0.75 nm FWHM
Signal-to-noise ratio:	300:1 (at full signal)
A/D resolution:	14 bit
Dark noise:	12 RMS counts
Dynamic range:	2 x 10^9 (system); 1300:1 for a single acquisition
Integration time:	3.8 milliseconds to 10 seconds
Stray light:	<0.05% at 600 nm; <0.10% at 435 nm
Corrected linearity:	>99.8%
Electronics
Power consumption:	450 mA @ 5 VDC
Data transfer speed:	Full scans into memory every 4 milliseconds with USB 2.0; every 18 milliseconds with USB 1.1
Inputs/outputs:	10 onboard digital user-programmable GPIOs
Analog channels:	One 13-bit analog input one 9-bit analog output
Trigger modes:	4 modes
Strobe functions:	Yes
Connector:	30-pin connector
Computer
Operating systems:	Windows 98/Me/2000/XP, Mac OS X and Linux operating systems when using the USB port
Computer interfaces:	USB 2.0 @ 480 Mbps (USB1.1 compatible); RS-232 (2-wire) @ 115.2 K baud
Peripheral interfaces:	SPI (3-wire); I2C inter-integrated circuit
Pricing:

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