MONITORING – World’s First and Only CEM System with Comprehensive DIN EN 15267-3

Test Report

The need for source emission monitoring systems has increased significantly over the past decade. 

The Indian Continuous Emission Monitoring System (CEMS) market is expected to grow at a CAGR of 6% due to the enforcement of various environmental laws by Pollution Control Boards and MoEF&CC.

However, so far, the Indian system was lack a suitable testing and calibration facility specially designed for the Indian tropical atmosphere. Which has increased the dependency on overseas manufacturers having their testing laboratories aligned to their conditions. 

Now, INDIA has an equivalent & suitable testing & calibration laboratory, hence, PRIMA only company in the world which provides a Descriptive Test Report of the CEM System as per DIN EN 15267-3 (QAL-1), QAL-2 part of EN 14181 standards

PRIMA is the pioneer manufacturer of Emission Monitoring Systems in India and invests heavily in making its products logically sustainable and customized to client requirements in strict adherence to meet international standards requirements and CPCB India guidelines.

The Quality Assurance Performance standard of CEMS(AMS) is DIN EN 14181, which is the combined standard for QAL-1, QAL-2, QAL-3 & AST. 

 EN 14181:2014 contains various quality assurance levels such as QAL1, QAL2, QAL3 & AST Standards for assuring the High-Quality Performance of Permanently Installed Automated Monitoring Systems (Continuous Emission Monitoring Systems- CEMS). 

QALs set the quality criteria for permanently installed measuring equipment at industrial plants via performing various quality assurance tests at the laboratory with various inputs & influence with field tests as per defined procedures in QAL1, with a continual process of QAL2, QAL3, and AST.

Among all quality assurance Levels, QAL-1 is for the manufacturer, where the manufacturer has to test the manufactured system in reference to the drafted test in DIN EN 15267-3. 

For the evaluation of the actual performance of manufactured CEMS/AMS, the defined test in DIN EN 15267-3 is divided into 2 parts i.e. 1. Laboratory Test 2. Field Test. 

1. Laboratory Test, where the CEMS/ AMS is been tested at a laboratory location with various performance tests such as response time, repeatability standard deviation at zero point, repeatability standard deviation at span point, lack of fit, zero and span drift, Influence of ambient temperature, Influence of the sample gas flow for extractive AMS, the influence of voltage variations, cross-sensitivity, Etc. 

 2. Field test, where the CEMS is placed in an actual field condition for evaluation of actual performance & sustainability at the site location. 

The functional test is a part of QAL2 of DIN EN 14181. 

Before performing any kind of test/Calibration function test as per QAL-2 on AMS/CEMS or after installation of AMS/CEMS at the site, a functional test is required to prove that the installation/commission is satisfactory. 

The below table shows the steps of the functional test. 

PRIMA, emphasizes the importance of focusing on the intentions behind AMS/CEMS installation along with the quality assurance performance test report to ensure sustainability and validation of data generation.

Benefits Of Testing & Calibration Facility to Nation:

Support Indian manufacturers of AMS/CEMS equipment to meet international standards of performance testing, regulators can establish performance testing databanks for various measurement technology in INDIA, hence can prepare realistic Guidelines for CEMS installations considering INDIA’s tropical conditions base. Help INDIA to develop its own products certifications facility. Support to develop technology and equipment locally, a step towards the “Atmanirbhar Bharat” mission. 

Indian Certification facility for Performance testing will bring down costs and improve measurement of air pollution and further help to scrutinize it. Benefit end user Industries/buyers to establish air pollution monitoring equipment at very reasonable capital expenditure and contribute to the mission of Greener INDIA.


Ms. Diksha Bhatt

[email protected]

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