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Optical analysis equipment - analyses gas-form substances flowing through channel and incorporates light transmitter on channel side and light receiver on other channel side
Optical analysis equipment - analyses gas-form substances flowing through channel and incorporates light transmitter on channel side and light receiver on other channel side
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机译:光学分析设备-分析流经通道的气态物质,并在通道侧合并光发射器,在另一通道侧合并光接收器
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摘要
A calibration unit (6) extends through the channel, and a measurement unit (7) also extends through the channel which is open in a part (12) through which the gas-form substances flow when the equipment is used. The light transmitter (25) is fixed and the calibration unit (6) incorporates at least a calibration cell (10) contg. a calibrating medium. The analysis equipment further incorporates a fixed optical arrangment (4, 5, 18, 19) which is arranged to produce simultaneously a first and second light beam from the light transmitter (25). The optical arrangement directs the first beam through the calibration unit towards the light receiver, and directs the second beam through the measurement unit towards the light receiver. A light control unit (20, 21) enables the light receivr selectively to receive either the first or second beams.
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