UNISEARCH INDIA

SPECIALITY INSTRUMENT MANUFACTURER

TDLAS • DOAS

ISO [9001 : 2015], EHS – 14001-2015 CERTIFIED COMPANY

Specialty Instruments for Environmental, Process & Industrial Monitoring

NPL Certified TDLS & DOAS Gas Analyzers for high precision monitoring

Advanced measurement technologies engineered for accuracy, reliability and demanding industrial applications.

About 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.

A JOURNEY BUILT ON MEASUREMENT, ENGINEERING & EXPERIENCE

Every industry has measurements that cannot be compromised.

At Unisearch India Instruments Private Limited, we specialize in advanced instrumentation and measurement solutions for environmental, process and industrial applications.

We combine technology, engineering expertise and application experience to develop solutions that address complex measurement requirements and deliver reliable performance in demanding operating environments.

OUR EXPERIENCE & EXPERTISE

With more than 25 years of experience in environmental monitoring, instrumentation, and industrial measurement, Unisearch India has developed a strong understanding of complex measurement requirements across diverse industrial applications. Our extensive industry experience, technical expertise, and application-oriented approach have shaped our capabilities, strengthened our customer relationships, and enabled us to address demanding industrial measurement requirements with confidence. Over the years, Unisearch India has successfully executed and supported numerous projects for CPSUs, PSUs, EPC organizations, and leading private-sector companies, establishing a strong foundation of technical expertise, industry knowledge, customer trust, and long-term relationships across India. Our team remains focused on engineering excellence, speciality instrumentation, advanced measurement solutions, and long-term customer partnerships, continuously working to deliver practical and reliable solutions aligned with the evolving needs of industry.

OUR ENGINEERING PHILOSOPHY

WHERE MEASUREMENT DEFINES THE ENGINEERING

WHERE MEASUREMENT DEFINES THE ENG The performance of a measurement system depends on more than the parameter being measured. Process conditions, gas composition, temperature, dust loading, measurement path and installation environment can all influence the engineering of the system. At Unisearch India, these factors guide the selection of the measurement principle, configuration and instrumentation, enabling us to develop solutions aligned with demanding industrial requirements. MEASUREMENT UNDERSTANDING. ENGINEERING PRECISION. SYSTEM CONFIDENCE.

gases

NH3+H2O

Alkali (NH3) could be a colorless gas with an unmistakable sharp odor.

H2S

Hydrogen Sulfide (H2S) may be a thick, colorless gas delivered in mechanical operations.

D2O / H2O

D2O (overwhelming water) is utilized as a neutron arbitrator in certain sorts of atomic reactors (CANDU reactors in specific).

H2O (ppm)

The ppm of water vapor can be measured for deciding dampness levels in a mechanical environment.

Our Products

OUR CLIENTS

Omkar

Rated 4.8 out of 5

We are fulfilled with the administration given by Unisearch and the after-sale benefit to keep rebellious in Idealize Working Arrange. We hope to continue this fruitful association in the upcoming.

Rated 4.5 out of 5

We take the opportunity to thank Unisearch for their Exceptional Quality Testing Instrument provided to us. We are delighted and keep recommending Uniseaerch to others.

Nakul

Faaris

Rated 4.5 out of 5

The quality of services, reaction to our inquiries, and proficient approach of the Unisearch Group are extraordinary. We certainly see forward to profiting from your services in our other ventures.

INDUSTRIES

Power & Energy

NH3 Monitoring of this gas is essential in coal-fired power plants, where NH3 is used to reduce NOx emissions in both (SCR) and (SNCR) configurations.

Fertilizer

NH3 Gas leaks from urea tower to ensure the safety of production facility workers, as well as monitor very high concentration of NH3 for process control.

Chemical

Chemical fabricating companies require a implies of keeping track of their outflows, as operations inside this industry deliver a wide assortment of gases.

Aluminium

Hydrogen Flouride gas must be monitored in aluminium smelters for both the safety of workers and to limit facility emission..

Airport

Continous Monitoring Of Gases emitted at airports is essential for ensuring the safety of airport staff and travellers.

Oil, Gas & Petrochemical

We offer gas outflows estimation innovation reasonable for oil refinery and normal gas applications. Compact and simple to install.