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EM-5 Flue Gas Analyzer (Ultra-low Range)
Product Overview
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EM-5 Flue Gas Analyzer (Ultra-low range) is a gas analysis product of multi-return optical path on basis of years of accumulated ultraviolet absorption spectroscopy. Based on Ultraviolet Differential Optical Absorption Spectroscopy (UV-DOAS) and Stoichiometric Algorithm (PLS), the analyzer can measure SO2, NO, NO2, O2, NH3, CO, CO2, Cl2, O3, H2S,HCl, CH3I, CH2O, etc. In addition, our analyzer can configure with self-developed built-in infrared module to measure CO according to customer requirement, which has higher accuracy and reliability, faster response compared to electrochemistry method solves problem of short service life.
- Features
- Adopt UV-DOAS and PLS algorithm, low detection limit and small temperature drift.
  NOX content can be directly obtained by measuring NO and NO2.
  without NO2→NO converter.
  Not interfered by particulate matter, moisture and other factors.
  No optical moving parts, with high reliability, vibration has no effect on measurement .
  Employ return optical path and high-quality spectrograph; minimum range can reach 0-20ppm; the minimum detection limit is 200ppb.
- Application
- Applied in exhaust emission monitoring and process control in coal-fired power plant, garbage power plant, cement plant, glass plant, lime factory, ceramics factory, sintering process, coke oven, desulfurization technology, denitration technology, etc.
- Specifications
- Measurement technology: UV-DOAS (SO2, NOX), electrochemistry (O2), TDLAS (CO).
  Measuring range: 0~50~100ppm (SO2, NO) (lower range can be customized).
  0~100~200ppm (NO2) (lower range can be customized).
  Linearity error: ≤1.5%F.S.
  Repeatability: ≤0.5%.
  Zero drift: ≤2%F.S./7d.
  Span drift: ≤2%F.S./7d.
  Response time:<30s (T90)
  Preheating time: None.
  Relay output:14.
  Switch input: 6.
  Analog output: 5x4-20mA output.
  Analog input: 3x4-20mA input.
  Digital comm.: RS485/RS232/GPRS.
  IP grade: IP42.
  Working temperature:-10℃~40℃.
  Working humidity: 0~95%RH.

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