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J And N Enterprises, was the brainchild of John & Nancy Kleppe Running their own business was their dream, and in March 1980, this vision became reality.

For the first few years, the company's only product was the GAS•TRAC®. This revolutionary product was the result of a joint development project between a major gas utility and the Illinois Institute of Technology. Building on this initial opportunity, J And N invested in broadening its product offering for the HVAC and Natural Gas industries.

SENSIT® HXG, with its durable design and easy operation, makes finding gas leaks fast and affordable. The patented sensor cap prevents contamination of the sensor while the Tick Wheel pin-points the exact location of the leak. The HXG's calibratable alarm gives early warning at 10% of the LEL of natural gas.

SENSIT® TKX is a hand held gas leak detector perfect for finding leaks along exposed piping systems. TKX incorporates a solid state sensor to quickly detect natural gas, propane and other combustible gases. Low maintenance and low initial cost make this product the ideal choice for budget conscious users.

The TRAK-IT® II is a compact combustible gas indicator for the volume measurement of natural gas and propane. Ideal for grading underground leaks and purging applications. Our first product with NSR to distinguish natural gas from other heavy hydrocarbon indications.

Unique in the industry, the Ultra-Trac® was the 1st generation of J And N Enterprises' multi-gas detectors, combining user friendly features and fast detection.

SENSIT® CO is perfect for testing ambient air and flue gas samples. The instrument features a powerful pump, hot air probe and bright LCD display.

First generations of our industry leading brand of gas detectors for the natural gas, propane and fire protection industries.

The SMART-CAL Calibration Station performs automated calibration and record keeping for SENSIT® and TRAK-IT® series instruments equipped with a 2-Way Infrared Communications Window.

J And N Enterprises relocates to a new facility at 851 Transport Drive in Valparaiso, Indiana. From this state-of-the-art headquarters, SENSIT employs more than 100 employees and supplies products to customers in more than 60 countries around the world.

SENSIT earns its first Certified ISO Certificate. The ISO 9000 family is a set of five quality management system standards that help organizations ensure they meet customer and other stakeholder needs within statutory and regulatory requirements related to a product or service.

In 2008, the J And N Enterprises name is retired, making way for a more global identity, SENSIT Technologies. SENSIT® P100 raises the bar in durability in single gas monitors for personal protection. The housing is constructed of durable ABS plastic and shock absorbing material to protect the instrument from the rigors of field use. The instrument is sealed to maintain the integrity of the IP65 rating.

The SENSIT® PMD is used to survey, pinpoint and grade leaks wherever they occur. The SENSIT® GOLD G2 is the second generation of Multi Gas Leak Detection, ideal for locating gas leaks and confined space applications. SENSIT® P400 is a Multi-Gas Personal Monitor designed to detect and warn the user of hazardous gases in their working environment.

SENSIT® IRED is an Infrared Ethane Detector used to quickly and accurately identify pipeline gas from naturally occurring methane sources. SENSIT® VMD is a state-of-the-art vehicle-mounted instrument used for advanced leak detection, grading, and mapping gas leaks along underground pipelines.

GAS•TRAC® LZ-30 is a compact methane specific leak detector that utilizes TDLAS (tunable diode laser absorption spectroscopy) technology to provide fast, accurate readings at distances up to 100 feet, keeping the worker at a safe distance from the gas plume.

SENSIT expanded its product line into the environmental space by acquiring SENSEVERE. Additionally, SENSIT established a sales and technology office in Bolzano, Italy, known as SENSIT EMEA (Europe, Middle East & Africa)

SMART-CAL® 360 takes calibrating SENSIT instruments to the next level and enhances the documentation and compliance tracking. With the acquisition of SENSEVERE, SENSIT added two air quality monitoring platforms to the portfolio. RAMP and SPOD remotely detect pollutants, VOCs, and other environmental hazards.

Halma’s core values match SENSIT very well. We are passionate about making the world safer and the environment cleaner while keeping our family atmosphere and values.

The implementation of advanced digital technologies revolutionize the way we collect, map, report, and track data. By utilizing cutting-edge tools, SENSIT Connect optimizes the overall process, resulting in a more efficient and accurate system. This can lead to better-informed decision-making and improved outcomes for all involved.

The BEST just got BETTER! Introducing the next generation in Multi Gas Leak Detection. SENSIT® GOLD G3 makes gas detection faster and more accurate than ever, meeting the demands of modern gas utilities and fire departments.

With TDLAS technology, the TRAK-IT® PMD2 is methane selective and perfect for walking or vehicle applications. GAS•TRAC® FMD is an active sampling system equipped with a tunable diode laser spectroscopy (TDLAS) cell capable of detecting methane as low as 200 PPB.

The SENSIT® ROM is a device designed to remotely monitor the odorant added to natural gas pipelines. The GAS•TRAC® LZ-50 is a handheld methane gas detector that uses laser photonics and innovative technology, including TARGET GPS, to provide instantaneous readings from up to 164 feet away.