NPL, India (NPLI CS)

The CSIR-NPL (Council of Scientific and Industrial Research, National Physical Laboratory) manages a certification scheme (NPLI CS) that provides performance evaluation certification for various air pollution monitoring equipment, such as continuous emissions monitoring systems (CEMS) and continuous ambient air quality monitoring systems (CAAQMS), helping to ensure their accuracy and reliability.

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CSIR-NPL CEM Gases UV

Cert. No: NPLI CS/CEMS/VC-2025-01

Organisation: NPL, India (NPLI CS)

Compounds:

SO2

NO2

NH3

NO

CH2O

C6H5OH

H2O

Application: Emissions Monitoring, Process Control

Instrument Type: DOAS Products for Gas Analysis

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CSIR-NPL CEM Gases UV - Hg

Cert. No: NPLI CS/CEMS/VC-2025-01S

Organisation: NPL, India (NPLI CS)

Application: Emissions Monitoring, Process Control

Instrument Type: DOAS Products for Gas Analysis

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CSIR-NPL CEM Gases IR

Cert. No: NPLI CS/CEMS/VC-2025-02

Organisation: NPL, India (NPLI CS)

Compounds:

CO

HCl

H2O

HF

Application: Emissions Monitoring, Process Control

Instrument Type: DOAS Products for Gas Analysis

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CSIR-NPL CEM Gases IR N

Cert. No: NPLI CS/CEMS/VC-2025-02S

Organisation: NPL, India (NPLI CS)

Compounds:

CO

HCl

H2O

HF

CO2

N2O

CH4

Application: Emissions Monitoring, Process Control

Instrument Type: DOAS Products for Gas Analysis

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CSIR-NPL Oxygen

Cert. No: NPLI CS/CEMS/VC-2025-04

Organisation: NPL, India (NPLI CS)

Compounds:

O2

Application: Emissions Monitoring, Process Control

Instrument Type: Oxygen Monitors

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CSIR-NPL Oxygen N

Cert. No: NPLI CS/CEMS/VC-2025-04S

Organisation: NPL, India (NPLI CS)

Compounds:

O2

Application: Emissions Monitoring, Process Control

Instrument Type: Oxygen Monitors

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CSIR-NPL Dust

Cert. No: NPLI CS/CEMS/VC-2025-03

Organisation: NPL, India (NPLI CS)

Application: Emissions Monitoring, Process Control

Instrument Type: Supplementary Products

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