Serinus 44 User Manual 3.0 
 
 
Manufacturer’s Statement 
Thank you for selecting the Ecotech Serinus 44 Ammonia & Oxides of Nitrogen Analyser. 
The Serinus series is the next generation of Ecotech designed and manufactured gas analysers. The 
Serinus 44 will perform NO, NO
2
, NO
X
, NH
3 
and N
X
 measurements over a range of 0-20 ppm with a 
lower detectable limit of 0.4 ppb.  
This User Manual provides a complete product description including operating instructions, 
calibration and maintenance requirements for the Serinus 44 Ammonia & Oxides of Nitrogen 
Analyser. This manual is valid for the most recent version of the Serinus 44 which includes the new 
Autoranging Power Supply, Main Controller PCA and Rear Panel PCA. 
Reference should also be made to the relevant local standards which should be used in conjunction 
with this manual. Some of these standards are listed in this manual. 
If, after reading this manual you have any questions or you are still unsure or unclear on any part of 
the Serinus 44 please do not hesitate to contact Ecotech or your local Ecotech distributor. 
 
Please help the environment and recycle the pages of this manual when you have 
finished using it. 
Notice 
The information contained in this manual is subject to change without notice. Ecotech reserves the 
right to make changes to equipment construction, design, specifications and /or procedures without 
notification.  
Copyright © 2014. All rights reserved. Reproduction of this manual, in any form, is prohibited 
without the written consent of Ecotech Pty Ltd. 
 
CAUTION 
Hazardous voltages exist within the instrument. Do not remove or modify any of 
the internal components or electrical connections whilst the main power is on.  
Ensure the main power lead is maintained in a safe working condition. 
The instruments lid should be closed during normal operation to comply with 
EMC regulations.