| Caltrans APT Instrumentation and Data Acquisition System |
Instrumentation / System |
Use |
Notes |
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Laser Profilometer System |
Measures the profile of the pavement surface. |
Built by the CSIR. |
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Instrumentation / System |
Use |
Notes |
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Linear Vertical Displacement Transducers. (E300) |
Measurements of Permanent Deformation and Elastic Deflection within a pavement structure |
LVDT's LUCAS Schaevitz Sensors E300 |
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Linear Vertical Displacement Transducers. (E300) |
Measurements of Permanent Deformation and Elastic Deflection within a pavement structure |
LVDT's MACRO Sensors E 750 /300 (larger centre hole) |
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MDD (Multi-Depth Deflectometer) |
Measures the deflections of pavement at multiple depths; modules are refurbished in-house |
Wires and , provided by Electronics Plus, are put together with pliers and sheet metal |
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Linear Vertical Displacement Transducers. (E300) |
Measurements of Permanent Deformation and Elastic Deflection within a pavement structure |
LVDT's LUCAS Schaevitz Sensors E300 |
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Linear Vertical Displacement Transducers. (E300) |
Measurements of Permanent Deformation and Elastic Deflection within a pavement structure |
LVDT's MACRO Sensors E 750 /300 (larger centre hole) |
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MDD (Multi-Depth Deflectometer) |
Measures the deflections of pavement at multiple depths; modules are refurbished in-house |
Wires and , provided by Electronics Plus, are put together with pliers and sheet metal |
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Instrumentation / System |
Use |
Notes |
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RSD (Road Surface Deflectometer) |
Measures the surface deflections of a pavement. |
Built by the CSIR. |
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Instrumentation / System |
Use |
Notes |
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Thermocouple Wire |
Type K thermocouple wire for general purpose temperature measurements in concrete, asphalt, ambient air, and refrigeration unit. |
The wires are twisted together at one end and a plug (Part No. 4559764 - Type 'K' mini T couple) are attached to the other end of the wire. |
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Temperature buttons (i-buttons) |
Programmable to measure temperatures within a pavement structure or ambient air. |
Thermochron i-buttons temperature / humidity buttons |
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Temperature Data acquisition. (TC-2095) National Instruments |
Connecting thermocouples. |
Plug in the thermocouples. |
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Decagon 5TE |
Moisture/temperature/electrical conductivity |
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Instrumentation / System |
Use |
Notes |
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Multifunction Data Acquisition System. National Instruments (PC card PCI-MIO-16E-1) |
Logging of temperature and LVDT data. |
Easy to setup extra modulus, Software written in Labview (pc card) |
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SCXI Modular Data Acquisition and Signal Conditioning System. National Instruments |
Single system for the integration of temperature, load, acceleration, LVDT, etc. |
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LabVIEW Data acquisition and Control Software. National Instruments |
Collecting, filtering, logging and display of data. |
Software written by Peter Westwood / Jeremy Lea. |
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Temperature Data acquisition. (TC-2095) National Instruments |
Connecting thermocouples. |
Plug in the thermocouples. |
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Instrumentation / System |
Use |
Notes |
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CTL ASG-152 |
Strain Gauge |
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Instrumentation / System |
Use |
Notes |
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Geokon 3500 |
Pressure Cell under stress |
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Instrumentation / System |
Use |
Notes |
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Decagon 5TE |
Moisture/temperature/electrical conductivity |
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| Instrumentation / System | Use | Notes | |
Massload ML20 |
Weigh-in-motion system |
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