MultiGas 红外传感器 NDIR

MultiGas 红外传感器 NDIR

概述

CO2 CO N2O CH4 CnHm* CF4 SF6 H2O

The RITTER MultiGas Sensors NDIR Module (non-dispersive IR sensor) has been specially developed for use in high-quality gas analysis. In the design phase special emphasis was placed on high stability and a low detection limit. These goals could be fully achieved by using high-performance light-emitting diodes (IR-LED) and thermal micro-radiators which were adapted to the requirements of gas detection. In the spectral range from 2 μm to 12 μm, carbon dioxide, carbon monoxide, hydrocarbons, water vapor and sulfur hexafluoride can be safely detected down to the ppm range with this innovative sensor platform.

The various photometric components such as detectors, emitters, measuring sample cell, etc. will be assembled user-specifically in a high-quality tabletop casing by RITTER.
RITTER MultiGas Sensorgehäuse

Applications

Characteristics and Benefits

  • Group of detectable gases:
    CO2 CO N2O CH4 CnHm* CF4 SF6 H2O
  • Measurement technology: NDIR-Sensor (non-dispersive IR sensor)
  • 测量精度 ±2% of Full Scale (F.S.)
  • No cross-sensitivity to H2
  • Operating temperature: 5 – 45 °C
  • Operating pressure: 800 – 1200 mbar (hPa) abs.
  • Flow rate range: 1 ltr/day – 100 ltr/h
  • Warm-up time: 2 min
  • Response time (t90): ≈ 3 sec
  • Interface USB, on request RS 232
  • Sensor cuvette: Aluminum, gold plated for sensor length 100 ≥ mm
  • Incl. temperature compensation
  • Incl. data acquisition software
  • In tabletop casing, overall dimensions W x H x L 171 x 85 x 246 mm, weight approx. 1,9 kg
  • Gas connection: PVDF screw-type tube connection for tube Øi 4 mm, Øa 6 mm
  • Power supply: 24 VDC (incl. power plug 100 – 240 VAC / 24 VDC)

Recalibration

  • Readjustment of the zero-point is recommended once a week.
  • Contamination of the measuring cuvette can lead to shifting of the end-point. Due to the integrated filter, re-adjustment of the end-point is generally not required – but can be performed once a year.
  • Additionally, cartridges filled with an inert and the respective test gas for recalibration of the zero and end-point can be provided.
  • Long-term drift is < 1% of Full Scale (F.S.) / 24 h.

Options / Additional Sensors

氧气传感器

  • 电化学传感器
  • 测量范围:
    • 标准版本0-25%或0-100%
    • H2S抗腐蚀版本0.5 – 35 %
  • 测量精度:整个测量范围内为±2%(全量程)
  • 分辨率:整个测量范围内为<0.5%(全比例)
  • 响应时间(t90):≈15秒;汽车版≈5秒。
  • 寿命:约5年

压力传感器

  • 被测量气体浓度的压力补偿
  • 测量范围:800 - 1,200 mbar abs.
  • 测量精度:整个测量范围内为±1%(全量程)
  • 分辨率:1 mbar
  • 响应时间(t90):1秒
  • 包括温度补偿

湿度传感器

  • 聚合物湿度传感器
  • 测量范围:0-100%RH 0-100%相对湿度
  • 测量精度:整个测量范围内为±2%RH(全量程)
  • 分辨率:±1%相对湿度
  • 响应时间(t90):12秒
  • 包括温度补偿
  • 指示值(软件中):绝对湿度(% absH)和相对湿度(%RH)

模拟电压输出

  • 模拟电压输出模块可在4个独立通道输出多达4种不同气体的浓度值。
  • 电压水平:
    • 0 – 2 V
    • 0 – 5 V
    • 0 – 10 V

V 1.0 / Rev. 2021-09-21 / 如有变更以新版为准。