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Ensure the safety of your people and premises with our Portable Gas Detectors, Respiratory Air Detectors, Corrosion Monitoring Systems, Environmental Monitors, etc. ..

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About Us

We, Three S Instruments Pvt. Ltd., put our complete focus on becoming a prestigious organization who has made a noteworthy position among the reputed Distributors & Importers.  We provide our clients an exemplary range of Fixed Gas Detection Systems, Combustion Analyser, Respiratory Air Detectors, Air Quality Analyser, Aerosol Monitors, etc. The product range is manufactured by making use of superior quality raw material and sophisticated technology at our vendors premises. Moreover, back in 2001, we were the first company who took the initiative to execute calibration & maintenance contract for Fix gas Detector and Portable Gas Monitors. We render maintenance and installation services for our offered product gamut.

Our company has gained a remarkable position in market owing to our products which are widely regarded for their attributes like high accuracy, optimum performance and easy installation. Following to sharp business policies and detailed knowledge of our director, Mr. Vikas Bajaj we have been able to attain a strong foothold in the market.

Also, our customers are completely satisfied with us and they even recommend us to others.

Our Team

Our team of experts handle the business activities to successfully cater to needs of our clients spread across the nation. Our products designed in compliance with international standards of quality and norms, assure high efficiency. Moreover, our professionals smartly meet the requirement of our clients by rendering installation and maintenance service for different Gas Detection & Gas Monitoring Systems.



Multi Gas Detector
Multi Gas Detector
Single Gas Detector
Single Gas Detector
Portable Multi Gas Detector
Portable Multi Gas Detector
Hydrocarbons Infra Red Detector
Hydrocarbons Infra Red Detector
Gas Detector
Gas Detector
Combustible Gases Detector
Combustible Gases Detector
Respirator Fit Tester
Respirator Fit Tester
Dew Point RAM Air Monitors
Dew Point RAM Air Monitors
Fixed Gas Control System
Fixed Gas Control System
Gas Monitoring Controllers
Gas Monitoring Controllers
Compact Controller
Compact Controller
Gas Check Leak Detectors
Gas Check Leak Detectors
Micromanometer Kit
Micromanometer Kit
Indoor Air Quality Monitor
Indoor Air Quality Monitor
Indoor AQ Expert
Indoor AQ Expert
Flue Gas Analyzer
Flue Gas Analyzer
Combustion Analyzer _ Portable Industrial
Combustion Analyzer _ Portable Industrial
Real Time Particle Counter ( P-Trak 8525)
Real Time Particle Counter ( P-Trak 8525)
Multipoint Sampler And Doser
Multipoint Sampler And Doser
Sf6 Leak Rate Detector
Sf6 Leak Rate Detector
Field Gas Monitor
Field Gas Monitor
Portable Corrosion Measurement Device
Portable Corrosion Measurement Device
Corrosion Monitoring Instruments
Corrosion Monitoring Instruments
Oxygen Analyzer
Oxygen Analyzer
Portable RAM Air Monitors
Portable RAM Air Monitors
RAM Air Monitors
RAM Air Monitors
Temperature Recorder
Temperature Recorder
Heat-Prober Dipstick
Heat-Prober Dipstick
Heatspy Monitors
Heatspy Monitors
Ultrafine Particle Counter
Ultrafine Particle Counter
Ultrafine Particle Counter
Ultrafine Particle Counter
Ultrafine Particle Counter
Ultrafine Particle Counter
Fixed Gas Relay Module
Fixed Gas Relay Module
Fixed Gas Relay Module
Fixed Gas Relay Module
Multi Gas Monitor
Multi Gas Monitor
Refrigerants Leak Monitor
Refrigerants Leak Monitor
Multi Gas Monitor
Multi Gas Monitor
Flue Gas Analyser
Flue Gas Analyser
Fix Gas Detection System
Fix Gas Detection System
Multi Gas Detector G460 & G450
Multi Gas Detector G460 & G450
Multigas monitor for filter Testing
Multigas monitor for filter Testing
Portacount Respirator Fit Testor
Portacount Respirator Fit Testor
GMA 200-MW Controller
GMA 200-MW Controller
Personal Aerosol monitor
Personal Aerosol monitor
Portable Aerosol Monitor (Desktop Model)
Portable Aerosol Monitor (Desktop Model)
Personal Aerosol Monitor ( Model AM520)
Personal Aerosol Monitor ( Model AM520)