Proto® Electronic Interchangeable Head Torque Wrenches
- 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
| Part No. | Torque Range Ft. Lbs. | Torque Range In. Lbs. | Increments In. Lbs. | Increments Ft. Lbs. | Drive Size | Torque Range NM |
| JH4-250 | 2.1-20.8 | 25-250 | 0.1 | 0.01 | 1/4" | 2.8-28.2 |
| JH5-100F | 10-100 | 20-1200 | 1 | 0.1 | 3/8" | 13.6-135.6 |
| JH7-250F | 25-250 | 300-3000 | 1 | 0.1 | 1/2" | 33.9-338.9 |
- Contact Heavy Maintenance Supply 205-384-5284 for more information
