Exemplar Plus LS - Low Straylight Smart CCD Spectrometer

The Exemplar^® Plus LS is a high performance smart spectrometer that minimizes stray using an aberration corrected concave holographic grating. Superior data quality over the entire 190 - 1100 nm spectral range is delivered by the long focal length, coupled with a high quantum efficiency detector.

The Exemplar Plus LS features a built-in shutter that enables for dark scan measurements, even while illuminated, and also features high signal to noise ratio, making it ideal for low light level applications. As a member of the Exemplar product line, the Exemplar^® Plus LS features on board data processing and USB 3.0 communication. This product line is also optimized for multi-channel operation featuring ultra-low trigger delay and gate jitter.

Standard spectral configurations range from 180 nm - 1050 nm and resolutions range between 0.6 nm and 6.0 nm. Custom configurations are available for OEM applications.

Applications

The key applications of the Exemplar^® Plus LS are as follows:

LED characterization

Gas and water analysis

BioMedical spectroscopy

On-line process monitoring

Raman and fluorescence spectroscopy

LCD display measurement

Low light level UV to NIR spectroscopy

Features

Smart

On-board processing including averaging, smoothing, and dark compensation

Speed

Acquires and transfers more than 140 spectra per second at an integration time of 6.3 ms

Synchronous

Supports up to 32 devices with ultra-low trigger delay (95 ns) and gate jitter (+/- 20 ns)

Signal to Noise Ratio

On-board Averaging 1	~540
On-board Averaging 10	~1900
On-board Averaging 100	~4800

Additional Features

Some of the additional features of the Exemplar^® Plus LS are given below:

Extremely low stray light

Built-in shutter

2048 detector elements

Over 60% QE at 200 nm

High UV, Vis, and NIR response

Configurable cooling temperature (0° default)

Specifications

Power Input	5 V DC @ 3.0 A (Maximum at Startup)
Detector Type	Back-thinned CCD Array
Wavelength Range	190 nm - 1100 nm
Detector Pixel Format	2048 Effective Detector Elements
Effective Pixel Size	14 µm x ~ 0.9 mm
Spectrograph f/#	3.0
Spectrograph Optical Layout	Concave Holographic, Aberration Corrected, Flat Field
Dynamic Range	50,000 (Typical)
Digitizer Resolution	16-bit or 65,535:1
Data Transfer Speed	>140 Spectra per Second at Integration Time of 6.3ms in Burst Mode
Trigger Delay	95 ns +/- 20 ns (call for timing diagram)
Readout Speed	> 400 kHz
Integration Time	6.3 ms, Adjustable in 1 µs Increments
Aux Port	External Trigger, 4 Digital Outputs (2 with Shutter Control), 2 Digital Inputs, Analog Input, Analog Output and System Reset
Operating Temperature	5 °C – 35 °C
Operational Relative Humidity	85% Noncondensing
CCD Cooling	Default: 0 °C at Ambient of 25 °C.
Weight	2.6 lbs
Dimensions	7.0 in x 4.25 in x 2.68 in (178 mm x 108 mm x 67 mm)
Computer Interface	USB 3.0 / 2.0
Operating Systems	Windows: 7, 8 (32-bit & 64-bit)

Technical details

Spectrograph

Entrance Slit

Slit Option	Dimensions	Approx. Resolution 350-750 nm
10 µm	10 µm wide x 2 mm high	~2.0 nm
25 µm	25 µm wide x 2 mm high	~2.5 nm
50 µm	50 µm wide x 2 mm high	~3.2 nm
100 µm	100 µm wide x 2 mm high	~6.0 nm
Custom Configurations Available

Diffraction Grating

Best Efficiency	Spectral Coverage (nm)
UV/Vis	180 - 450
UV-NIR	190 - 800
UV-NIR	400 - 800
UV-NIR	190 - 1100
UV-NIR	350 - 1050
Custom Configurations Available

The Exemplar Plus LS Modular Spectrometer from B&W Tek

标签：Chemical Analysis Spectrometers

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