Navistar maintains a variety of specialized transducers and instrumentation to assist with vehicle testing. Transducers and instrumentation systems are calibrated to NIST-traceable standards.

Available instrumentation includes:

• Sensor development torque steering wheel for measuring steering effort and steering wheel angle
• MTS SWIFT (spinning wheel integrated force transducer) for measuring wheel loads on passenger cars and light trucks
• Crossbow fiber optic digital gyroscope for simultaneous measurement of yaw, pitch, roll and three-axis acceleration
• Dewetron VGPS system with 200 Hertz update rate; used for high-precision speed and distance measurements and GPS coordinate mapping
• Garmin general purpose 5-Hertz GPS sensors
• Global Sat general purpose 1-Hertz GPS sensors
• AMCO mechanical fifth wheels for speed and distance measurement
• Optical and microwave fifth wheels for speed and distance measurement
• AIC 1204 gasoline fuel economy flow meters
• AIC 6404 diesel fuel economy flow meters
• Michigan scientific torque wheel systems for passenger car/light truck brake testing
• Campbell Scientific Weather Station, which includes ambient temperature, brake level temperature, imbedded track temperature, wind speed and direction, relative humidity, barometric pressure, wind chill and heat index
• Bruel & Kjaer Sound Level Meter (meets IEC 60651 Type 1 and ANSI S1.4 Type S1A specifications)
• Larson Davis random-incident microphones
• Rion handheld frequency spectrum analyzer
• Larson Davis model 3200 six-channel frequency spectrum analyzer
• PCB Piezotronic free-field microphones with removable A-weight filters
• Single-axis, 500-g, ICP-type accelerometers; range 0.5 to 17K Hertz
• Integrated tri-axial accelerometers, 50-g, ICP-type; range 0.5 to 4 kHz
• Four-channel proximity sensor systems for measurements at the micron level; accuracy +/-3 microns
• Digital tachometers
• Dynatest/Bosch pavement friction coefficient test trailer
• Luxor CCTV cameras with controller for simultaneous in-vehicle video acquisition
• Digital microscope with both still camera and video output
• Fluke 5500A Multi-Product Calibrator