Precision Instruments, Sensors & Gauges for Industry
ISG Devices designs and manufactures acoustic measurement systems, solid-state fluid level sensors, and weather monitoring equipment for automotive, aerospace, building materials, power generation, and water resource applications.
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Proven measurement technologies for demanding industrial applications.
ACUPRO
Impedance tube for sound absorption and transmission loss. ISO 10534-2, ASTM E1050, ASTM E2611.
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ACUPAVE
Portable in-situ pavement and road surface noise testing for transportation and NVH engineers.
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Fluid Level Sensors
Solid-state sensors, no moving parts. For generators, vehicles, machinery. -30°C to +120°C.
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HydroLynx
Weather stations and hydrological monitoring for flood warning, dam safety, and research.
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Trusted across industries requiring precision measurement and reliable sensing.
Automotive & NVH
Acoustic material testing, tire-road noise, fluid sensing for engines and transmissions.
Aerospace & Defense
Aircraft cabin acoustics, nacelle liners, military vehicle fluid monitoring.
Building Materials
Sound absorption and transmission loss testing for ceiling tiles, panels, insulation.
Power Generation
Generator fluid monitoring, noise control testing for enclosures and plants.
Water Resources
HydroLynx flood warning, dam monitoring, irrigation, environmental research.
Scientific & Research
Laboratory impedance tubes for university research and acoustic material development.
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Product demonstrations, measurement walkthroughs, and technical content.
Knowledge Center
Technical guides from our engineering team. View all articles →
What Is an Impedance Tube?
Complete guide to acoustic material testing with impedance tubes.
Pavement Noise Testing Guide
Methods, standards, and equipment for road noise measurement.