Description

The LI-1800 provides a fast, accurate method to obtain spectral radiation measurements in the field or in the laboratory. Its compact design, internal microcomputer and innovative optical design provide the versatility to meet a wide variety of applications. The LI-1800 optical system has three major components - a filter wheel, holographic grating monochromator and a silicon detector. The holographic grating monochromator has a wavelength range of 300-1100 nm (300-850nm optional) and has selectable wavelength drive intervals of 1,2,5,or 10 nm. The instrument's high efficiency silicon detector and autoranging electronics allow scanning rates of over 30 nm per second. The following are accessories that can be used with the LI-1800:

•1800-11 Remote Cosine Receptor
•1800-12 External Integrating Sphere
•1800-06 Telescope/Microscope Receptor
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Calibration Information
Service included with 1800CAL Factory Calibration

Calibrations
1. Generate new calibration file (COSC) for standard cosine receptor (for 1 set of slits).

Tests
1. Test wavelength calibration and adjust if required.
2. Check detector dark offset.
3. Check system residual offset.

General Maintenance
1. Relubricate gears if necessary.
2. Clean mirror if necessary.
3. Check cosine collector for damage.
4. Dry internal desiccant pack.
5. Upgrade filter glass if required.
6. Cycle battery if customer’s time limitations permit.

1800FCAL, 1800UWFCAL, 1800-06A-CAL, 1800-06B-CAL, 1800-06C-CAL

1. Generate new calibration file (for 1 set of slits).
2. Inspect 1800-10 Fiber Optic Probe for broken or damaged fibers.


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