The highly accurate ST350 Strain Transducer from Bridge Diagnostics brings great efficiency and reliability to measuring live-load stresses on structures. With minimal surface preparation, you can quickly install the transducer and avoid the tedious and time-consuming effort involved when using foil strain gages. The ST350 is rugged and can be installed in any weather. Features Used for recording strains on highway bridges, railroad bridges, lock gates, amusement park rides, and other structures in which a short-term live-load can be easily applied.Attaches to steel, prestressed and reinforced concrete, and timber members in 5 minutes. Provides between three and four times the output of a typical quarter-arm foil gage installation. Improved signal-to-noise ratio means higher-resolution measurements.Can be used with most data acquisition systems that support full-bridge type sensors.Pay for themselves with just a few uses.Used over the last two decades for recording millions of strain measurements on all types of structures, often in harsh field conditions. Specifications Accuracy: 2%, individually calibrated to NIST standards Force required for 1000 : 17 lbs. (76 N) Strain Range: 2000 Sensitivity: 500 mVV Circuit: Full wheatstone bridge with 4 active 350 foil gages, 4-wire hookup Cable: BDI RC-187: 22 gage, two individually-shielded pairs wdrain; 10 ft length standard Material: Aluminum Producing Area:USA