• NEO Monitors의 LaserGas™ III Ultra SP COG H₂S는 복잡한 COG 샘플 스트림과 긴 경로 길이에서 고감도가 요구되는 고성능 H2S 측정을 위해 특별히 설계된 혁신적인 TDLAS 기술을 사용한 분석기입니다. 베이스라인에 민감하지 않고 NEO Monitors 만의 특허기술인 IROSS™ 시그널 프로세싱 알고리즘을 사용하여, 까다로운 어플리케이션에서도 문제없이 측정 가능합니다. LaserGas™ III Ultra SP COG H₂S는 이러한 까다로운 조건에서도 신뢰할 수 있는 완벽한 분석기입니다.

 

• SPECIFICATIONS
  - Detection limit(LDL): 5ppm
  - Process gas temperature: min. 20°C/ max. 70°C

  - Process gas pressure: min. 0.9barA / max. 1.3barA
  - Optical path length: Typically 0.5 - 30m

  - Repeatability: 0.2ppm

  - Linearity: <1% of range
  - Response time: < 5 seconds

 

• ENVIRONMENTAL CONDITIONS
  - Operating temperature: -40 °C - +65 °C
  - Storage temperature: -40 °C to +70 °C
  - Protection classification: IP65

 

• INPUT / OUTPUT
  - Analog output(3): 4 - 20 mA current loop(concentraion and transmission)
  - Digital output: 10/100 Base T

                        Ethernet (Modbus/TCP)
  - Relay output(2): High gas, warning and fault (normally closed)
  - Analog input: 4 - 20 mA process temperature and pressure reading

 

• RATINGS
  - Power supply: 24 VDC, range 18 - 32 VDC
  - Power consumptions: max 20W
  - 4 - 20 mA output: 500 Ohm max. load impedance, not isolated
  - Relay output: 1 A at 30 V DC

 

• SAFETY
  - Laser class: Class 1M according to IEC 60825-1, eye safe
  - CE: Certified
  - EMC: Conformant with directive 2014/30/EU

 

• APPROVALS
  - ATEX zone 1: Ex db [op is Ga] IIC T4 Gb, Ex tb [op is Da] IIIC T100°C Db
  - CSA: Class I Div.2, Groups B, C and D, T4
  - ATEX rating connetion box: II 2 GD Ex e IIC T5, II 2 D Ex e tb IIIC T85°C Db

 

• INSTALLATION AND OPERATION
  - Flange dimension: DN50/PN10 or ANSI 2"/150lbs (other dimensions on request)

  - Alitnment tolerances: Flanges parallel within 1.5°
  - Purge of windows: Dry and oil-free pressurised air or gas, or by fan
  - Purge flow: 10-50l/min (application dependent)

 

• MAINTENANCE
  - Calibration: Check recommended every 12 months
  - Validation: In-situ span check with optional internal cell (application dependent)

 

• DIMENSIONS / WEIGHT
  - Transmitter and receiver unit(TU/RU): 215mm(length, add 50mm for purge unit) x 125mm(diameter), 3.5kg each

  - TU/RU connection box: 260mm x 160mm x 90mm, 2.5kg

 

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♦ Typical process conditions

Gas	Concentration
H2	55-60%
CH4	22-25%
C2H4	2-3%
CO	5-10%
CO2	1-5%
Other gases	<2%

** NOTE: LDL is defined as the maximum peak-to-peak value of a 24 hour temperature cycle test(-40°C to +65°C) using 1s update time. LDL also includes typical background inerferences not explicitly defined in the table.