EUCA - Model LAS-PH3(phosphine) - Laser Absorption Spectroscopy
From Gas Analysis
The LAS-PH3 is a laser absorption spectrometer for precise detection of Monophosphan gas. The continuous measurement takes place with the help of a long path cell in a vacuum. Therefore a high selectivity and very low cross-sensitivity is reached for most of the background gases. The direct measurement method operates physically and without a calibration. No auxiliary variables, such as decay times, must be determined. The spectrometer includes all necessary componentsfor analyzing, such as light source, long path cell, detector, pump and evaluation electronic.
Specifications
- mesurement ranges : 0 – 10ppm
- limit of detection (LOD)1 : < 5 ppb (2σ, 30s)
- linearity : +/- 1% (MB)
- accuracy : +/- 1% (MB)
- noise : 2,5 ppb (1σ)
- zero drift : +/- 1% (MB)
- span drift : +/- 1% (MB)
- rise time (t10-t90) : < 10s (depends on filter-settings and flow rate)
- path length : 36m
- (1 LOD at constant ambient conditions, inlet pressure, flow rate)
Technical Data:
- operating temperature : 10...35°C
- operating pressure : 800...1100mbar (absolut)
- gas flow : < 1,5l/min
- communication Modbus : TCP/IP & CAN
- optional : analog outputs via CAN-Modules
- dimensions : 19 Inch 4,5 HU
- weight ca. : 35kg
- power supply : 230V AC
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