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- fpi-online@fpi-inc.com
- 459 طريق تشيانمو، منطقة بينجيانغ، هانغتشو، الصين
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Utilizing proprietary technologies of Tunable Diode Laser Absorption Spectroscopy (TDLAS), FPI delivers the LGA system to satisfy in-situ measurements with high accuracy, fast response, strong reliability and virtually maintenance free.
FPI LGA system is applicable to almost all industrial process, especially well proven in harsh conditions in combination of high temperature, pressure, dust, corrosives and contaminants.
Utilizing proprietary technologies of Tunable Diode Laser Absorption Spectroscopy (TDLAS), FPI delivers the LGA system to satisfy in-situ measurements with high accuracy, fast response, strong reliability and virtually maintenance free.
FPI LGA system is applicable to almost all industrial process, especially well proven in harsh conditions in combination of high temperature, pressure, dust, corrosives and contaminants.
المبدأ
TDLAS technology utilizes the principle that laser energy is absorbed selectively by gas to form an absorption spectrum. Laserbeams of specific wavelengths is emitted by semiconductorlaser, and when passes through the gas, the attenuation of the laserintensity is related with measured gas. The concentration can beobtained by measuring intensity attenuation.
| Parameter | المواصفات |
|---|---|
| المكونات | O₂, CO, CO₂, H₂O, H₂S, HF, HCl, HCN, NH₃, CH₄, C₂H₂, C₂H₄, CH₃I |
| الدقة | HF: 0.02ppm; HCl, NH₃, C₂H₂: 0.1ppm; H₂O, HCN: 0.3ppm; CH₄: 0.4ppm; C₂H₄, CH₃I: 0.6ppm; CO, CO₂: 10ppm; H₂S: 20ppm; O₂: 100ppm. |
| النطاق | HF: (0~5)ppm; C₂H₂, NH₃: (0~10)ppm; HCN: (0~30)ppm; CH₃I: (0~40)ppm; HCl, H₂O: (0~50)ppm; C₂H₄, CH₄: (0~60)ppm; CO, CO₂: (0~1000)ppm; H₂S: (0~2000)ppm; O₂: (0~1)%Vol., customized |
| الخطية | ≤±1%F.S. |
| انجراف المسافة | ≤±1%F.S./6 months |
| التكرار | ≤±1%F.S. |
| وقت الاستجابة | T₉₀≤20s (Flow rate more than 1 L/min) |
| Preheating Time | ≤15min |
| درجة حرارة التشغيل | -30 إلى 60 درجة مئوية |
| Storage Temperature | -40~80°C |
| Purge Gas | Instrument air, industrial N₂ (0.3~0.8)Mpa |
| ضغط العينة | 0.5~3bar |
| درجة حرارة العينة | -30~250°C |
| Enclosing Rate | IP65 |
| Explosion-Proof | Ex d IIC T5 |
| مصدر الطاقة | 100~240V AC |
| Consumption | ≤20 واط |
| Analog Inputs | 2 way 4~20mA |
| Analog Outputs | 2 way 4~20mA; isolation, maximum load 750Ω |
| Relay Outputs | 3 way relays, 24V/1A |
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