Model：AST350、VAST350
Use：Asphalt Strain transducers (AST/VAST) are pavement sensors that measure axial strain in flexible pavement under high frequency (dynamic) conditions.
| MODEL | AST350-8 | AST350-6 | VAST350 |
| GAGE LENGTH (HORIZONTAL) | 8 in. (203 mm) | 6 in. (152 mm) | N/A |
| PLATE SEPARATION (VERTICAL) | N/A | N/A | 1-3 (25-76 mm) |
| CIRCUIT | Full Wheatstone bridge with 4 active 350Ω strain gages | ||
| EXCITATION VOLTAGE | +1.0 to +10.0 Vdc | ||
| OUTPUT | mV level, ratiometric to Excitation Voltage | ||
| STRAIN RANGE | 5,000 µε | ||
| TEMPERATURE RATING1 | -50° to +300 °F (-45° to 150 °C) | ||
1 Temperature limit based on instrumentation cable operating temperatures, call BDI for wide temperature range cable options.
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