About Us
About Unisearch India
Unisearch India Instruments Pvt Ltd has established itself as a global leader in advanced gas measurement technology, specializing in Tunable Diode Laser Absorption Spectroscopy (TDLAS) and Differential Optical Absorption Spectroscopy (DOAS) solutions. Our cutting-edge instruments are trusted worldwide for gas emissions monitoring across diverse industries, supporting both regulatory compliance and process optimization.
Our expertise extends beyond technology — we are committed to ensuring reliability and efficiency at every stage. Backed by a team of highly skilled installation and service professionals, we guarantee that every system we deliver performs at its peak. Complementing this is our strong global presence, with a network of technical sales representatives readily available to address client needs and provide customized solutions.


At the heart of our success lies our people. Each member of our team upholds the highest standards of mutual respect, professionalism, and excellence. Their dedication to delivering precision-engineered instruments and uncompromising service quality has positioned Unisearch India Instruments Pvt Ltd as a trusted partner in environmental monitoring and industrial process control worldwide.
OUR ADVANTAGE

CUTTING-EDGE TECHNOLOGY
We have a strong Research and Development team that strives to improve the precision and accuracy of our instruments.

HIGH-ACCURACY EQUIPMENT
Our monitoring equipment can detect and measure trace amounts of gases for emissions monitoring purposes.

ENVIRONMENTALLY CONSCIOUS
Our instruments are used for the analysis of gas output to ensure compliance with industry standards and for informing reduction strategies.

PREMIUM
QUALITY
Our products are built to effectively measure gases in harsh environments. They are made to last for continuous monitoring.
We presented our LasIR line of rebellious in 1994, which extended on our early mid-infrared TDL innovation to incorporate near-infrared spectroscopy. Our LasIR disobedient rapidly got to be the center items for Unisearch. Applications of these rebellious incorporate measuring discussing quality, fence-line checking, fire location, and nonstop outflows observing frameworks (CEMS). Our LasIR disobedient have been utilized in different industries—they have been introduced at over 800 locales and are being utilized at thousands of checking focuses around the world 1995, our company obtained progressed Fourier-Transform Infrared (FTIR) innovation from Radian Organization and opened a plant in Austin, Texas. We created and introduced a number of FTIR frameworks, for fence-line checking and in-situ stack and extractive frameworks for CEMS and prepare control. We stripped our intrigue in our US operation within the early 2000s; the innovation was obtained by IMACC.
Our
Our company started with a center on ask approximately and advancement to supply regulatory bodies, colleges and ask around teach with organizations and instruments for making talk about quality estimations. This instrument included extractive mid-infrared laser-based systems and novel ultra-high affectability chemiluminescence systems for the estimation of NO2, NO, O3, and Dish (peroxyacetyl nitrate). In extension to bargains of this equipment to distinctive organizations, our company took a portion in talking about quality considers in circumstances expanding from the exceedingly sullied Los Angeles bowl to the faultless beat of Mauna Loa (NOAA station in Hawaii). Towards the conclusion of the decade, our center moved to the advancement of advanced identifying systems for talking about quality and edge checking and in-situ instrumented for surges checking inside the aluminum, control, mining, and incineration businesses.