Active and Passive heating for every FLOW^EVO or SILAREX as add-on

Heating of analytic NDIR gas sensors is highly recommended because of several reasons related to the use case and requirement

• Minimizing the influence of temperature change in measured result
• Ensure the temperature of sensor is in specified range
• Ensure the temperature of sensor is higher than the gas stream temperature to prevent any condensing inside the sensor
• Ensure the temperature of sensor is stable after warm up time and not slowly rise by a higher temperature of the gas stream
  

Wide range of environment temperature change

If a device including NDIR gas sensors can be exposed to a wide range of environment temperature change it is recommended to ensure the module itself has a stable temperature in specified range.
For example an installation situation without air conditioning, where summer/winter or night/day changes have huge influence.
Also a portable device could be stored or transported in a cold environment should be heated up before usage with gas flow.

Risk of Condensing inside the sensor

It is recommended to ensure the temperature of gas path and sensor is higher than the temperature of gas stream itself if there is any risk of condensing.
For example as usage in an emission control system for a combustion process requires the prevention of any humidity condensing what can damage the sensor.

High Accuracy Requirement of measured Result

Every NDIR sensor has a dependency of temperature even if it is temperature compensated.
In case of high accurate measurement requirement it is strongly recommend to ensure that the temperature of the sensor is maximally stable.

Passive Heater for every FLOW^EVO Type I with a cuvette of length 56 and 156mm

Product features:

• Easy to mount
• No additional Controller required
• Self stabilizing temperature ~43°C ±2°K
  
• 3W and 6W Version
• 12VDC 3/6W power required
  
• For applications with normal accuracy requirements
• Requires suitable heat isolation related to the effecting environment temperature
  

Add-On Heater for every SILAREX

Product features:

• Expand the heating power of SILAREX from 6 to 36W
  
• Shorten the warm up time to  <30min @5°C Environment (with suitable heat isolation)
• By SILAREX internally regulated temperature 42°C ±1°K
  
• Power supply 24VDC as SILAREX
  
• For applications with normal accuracy requirements
• Requires suitable heat isolation related to the effecting environment temperature
  

Active adjustable heat Controller with Heater for every FLOW^EVO Type I, II , III

Product features:

• Additional Heat Controller
• Input Power 5-24VDC depending of used heater
  
• Heater 5VDC 2W up to 24VDC 30W
  
• Modbus Command adjustable temperature setting
• Modbus Address : Module + 0x01
  
• Accuracy ±0.5°K
  
• Integrated Power source 3.3VDC for FLOW^EVO
  
• For applications with high accuracy requirements
• Requires suitable heat isolation related to the effecting environment temperature