INFRA.sens® AK50

INFRA.sens AK50

The INFRA.sens® was specially developed for high-quality NDIR gas analysis. In the design phase, special emphasis was placed on high stability and a low detection limit. With the use of high-performance light emitting diodes (IR-LED) and thermal micro radiators, which were adapted to the needs of gas measurement technology, these goals were achieved in full. In the spectral range from 2 μm to 12 μm, carbon dioxide, carbon monoxide, hydrocarbons and nitrous oxide can be reliably detected up to the ppm range with this new sensor platform.

Applications

  • Environmental and Process Measurement Technology (CEM)
  • Engine development 
  • TOC analyzers 
  • Elemental analysis 
  • Industrial gas analysis 
  • Natural gas/biogas analysis 
  • Process measurement technology 
  • Biogas research 


Features & Benefits

  • Measuring accuracy: ±2 % F.S.
  • Sensor sample cell: aluminium/gold 
  • Sensor sample cell: stainless steel with inert coating (inside and outside)
  • Fast response time, t90 ≈ 3 s
  • PEEK cell for corrosive gases (H2S, chlorine) on request 
  • High dynamic range, 1:100
  • Fast response time, t90 < 1 s possible 
  • Robust, dismountable construction due to gas-tight O-ring connections 
  • No water vapour cross sensitivity as with NDIR gas sensors 
  • Temperature range 5°C - 45°C
  • Low power consumption < 10 Watt
  • Low power consumption < 3 Watt @ 24 VDC
  • RS 232, CAN, analog output (0-10 V) as option
  • Connection of 2 optical measuring systems to one basic electronic unit 

List of measurement ranges

INFRA.sens® NDIR ULTRA.sens® NDUV UVRAS
Measuring range * CO2 CO NO** CH4 CnHm N2O SO2 NO2 O3 CL2 H2S NO
100 Vol.-%
30 Vol.-%
10 Vol.-%
5 Vol.-%
1 Vol.-%
5.000 ppm
2.000 ppm
1.000 ppm
500 ppm ***
100 ppm
50 ppm
10 ppm

* Full scale value (F.S.) / ** The measurement of NO needs a lot of explanation. / *** up to 300ppm

Modular sensor design

In order to be able to adapt gas analyses as flexibly as possible to individual measurement tasks, the individual components designed modularly. This resulted in a »modular system« in which the various photometric components such as detectors, emitters, measuring sample cell, etc. can be exchanged. Aluminium with bright gold coating and passivated stainless steel is used as the standard sample cell material. PEEK (polyetheretherketone) is also available for special applications.

With this sophisticated sensor design, customer-specific applications can also be realized without the need for a completely new development. The modularity makes replacement and maintenance considerably easier when servicing is required. Completely bonded gas sensors, on the other hand, can only be replaced as a complete unit and thus generate high follow-up costs (total cost of ownership) in case of maintenance.

Optionally, the different gas measurement modules can also be equipped with a pressure measurement (P.sens) oxygen measurement (O2.sens) or a humidity measurement (HUMI.sens).

Analyze up to 4 different gases with one module

Version Line 1 Line 2 Line 3 Line 4 Line 5 * Line 6 * Line 7 *
Single
Gas Module
1.1 CO2 / CO / NO** /
N2O / CH4 / CnHm 
O2 P H
1.2 NO** / NO2 / SO2 /
H2S / O3 / CL2
O2 P H
Dual
Gas Module
2.1 CO2 / CO / NO** /
N2O / CH4 / CnHm
CO2 / CO / NO** /
N2O / CH4 / CnHm
O2 P H
2.2 NO** / NO2 / SO2 /
H2S / O3 / CL2
NO2 / SO2 /
O3 / CL2
O2 P H
2.3 CO2 / CO / NO** /
N2O / CH4 / CnHm
NO2 / SO2 /
O3 / CL2
O2 P H
Triple
Gas Module
3.1 CO2 / CO / NO** /
N2O / CH4 / CnHm
CO2 / CO / NO** /
N2O / CH4 / CnHm
CO2 / CO / NO** /
N2O / CH4 / CnHm
O2 P H
3.2 CO2 / CO / NO** /
N2O / CH4 / CnHm
NO2 / SO2 /
O3 / CL2
NO2 / SO2 /
O3 / CL2
O2 P H
3.3 NO** / NO2 / SO2 O2 P H

* optional / ** The measurement of NO needs a lot of explanation.

Subject to change without notice.


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