Proto 1/4" Drive Torque Wrench 25-250in/lb ft/lb Nm Digital Interchangeable H4 Head Steel Chrome H4-250

• Full interface with Proto® Interchangeable Head Attachments.
• Accuracy of +/- 2% of indicated value in both clockwise and counter clockwise directions.
• Broad accuracy range extends from 10% to 100% of Full Scale to help reduce the number of torque wrenches required.
• Ninety-nine "on-board" memory storage locations help improve efficiency when taking multiple torque readings.
• Three units of measure are available (Ft-lb, In-lb, and Nm).
• Three operating modes: Track Mode, Peak Hold and Auto Clear.
• Fast sampling rate helps maintain high accuracy during torque applications.
• Torque wrench head rotates to allow for easy viewing of LCD display.
• Easy to read LCD Display with large digits.
• 3-way Red/Green/Yellow lights.
• Yellow light appears at the low end of the zone.
• Green light appears and buzzer sounds when the target is reached.
• Red light appears with intermittent buzzer when it is over torqued.
• Audible buzzer helps identify when desired torque target zones are approaching and met.
• Target torque zone is adjustable from 1% to 10% of targeted torque value.
• Meets or exceeds ASME B107.28

DRIVE SIZE [IN] 1/4

INCREMENTS [FT LBS] 0.01

INCREMENTS [IN LBS] 0.1

TORQUERANGE [FT LBS] 2.1-20.8

TORQUERANGE [IN LBS] 25-250

TORQUE RANGE [NM] 2.8-28.2

INCREMENTS [NM] 0.01

WIDTH [IN] 1-3/4

HEIGHT [IN] 2

OVERALL LENGTH [IN] 17-1/4

WEIGHT [LBS] 2.20

STYLE Electronic

SPECIFICATION ASME ASME B107.28