Airvisor Technologies designs and manufactures the AVG-500 5 Gas Analyser and AVS-100 Smoke Meter for India's PUC network — precision instruments backed by in-house calibration, AMC and service support.
Each instrument is built, calibrated and certified in-house, and supported through its full service life.

Petrol-vehicle emission measurement across CO, HC, CO₂, O₂ and NO, with computed lambda and engine RPM. NDIR bench with RS232 output for PUC software integration.

Free-acceleration opacity measurement for diesel vehicles, reporting light absorption coefficient and opacity. Portable build with RS232 output for PUC certification.
An instrument is only as good as its last calibration. Airvisor backs every unit with structured service.
Traceable calibration of analysers and smoke meters, with certificates you can verify online.
Annual maintenance contracts with scheduled visits, preventive checks and priority support.
On-site installation, PUC software integration and commissioning of new equipment.
Operator training on correct test procedure, maintenance and record-keeping.
Airvisor Technologies Pvt Ltd is an electronics-instrumentation MSME based in New Delhi. We design the hardware, write the firmware, and calibrate the instruments we ship to India's PUC market.