CTC AC-292 is the top-of-the-line, premium, high performance accelerometer with typical sensitivity of +/- 5%. When you demand the best, CTC prices beat the rest! For use with portable and instruments and in permanent applications.  
Unconditional Lifetime Warranty. If any CTC product should ever fail, we will repair or replace it at no charge. CTC believes that their products are the highest quality Vibration Analysis Hardware Products in the World.