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Keterangan

FTIR AIR MONITORING SYSTEM
Type : M4401-E
Fungsi : Untuk monitoring asap yang keluar dari Gunung Merapi, cerobong asap dan lain-lain

Specifications :
0.5cm-1 Emission Spectrometer, MCT Detector, ZnSe Optics. The M4400 Series is a compact, versatile module for use in unit AM open path air monitoring systems or with other accessories for radiometery and other specialized applications. The FTIR unit accepts collimated IR light, and consists of an interferometer and detector. M4401 features include :
- Ethernet Interface.
- Rugged cast aluminum chassis with hermetically-sealed housing
- Gold-coated, pinned-in-place high throughput optics
- Size and weight: 13" L x 10" W x 10" H; 35 lbs.
- Field of view: 20mrad ( without telescope) , 3mrad ( with 10" telescope) .
- Aperture: 3.8cm.
- 90 degree Michelson interferometer with a " porch swing" moving mirror hinged on frictionless, patented, mechanical bearings. The moving mirror suspension system is able to withstand vibrations and shock, and is not susceptible to resonant frequencies.
- HeNe laser with quadrature phase detectors for mirror control
- 0.5cm-1 resolution, step selectable to 32cm-1.
- LN2 cooled MCT detector; 1x1mm element
- ZnSe interferometer optics and window
- Power Source: 100-240 V AC, 47-63Hz,