Proto® micrometer torque wrench, series: CXCERT, 3/8 in drive, 40 to 200 in-lb, head ratcheting, graduations: 1 in-lb, 11-7/8 in OAL, CW/CCW rotation, +/-3% CW, +/-6% CCW accuracy, audible click indicator, steel, full polished.
Features
- Calibrated to +/-4% clockwise direction and +/-6% counter clockwise direction
- Calibration is accomplished by mechanical loading each wrench in a horizontal position and performing a three click test at 20%, 60% and 100% of maximum instrument capacity
- Certification documents traceable to nist(national institute of standards and technology)
