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ACDelco ARM302-4S 1/2" Electronic Digital Torque Adapter, 12.5-250.7 ft-lbs, Buzzer/LED Flash Notification - ISO 6789 Standards Certificate of Calibration

4.1 out of 5 stars 19 ratings

Price: $98.00 & FREE Shipping
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  • 12.5 to 250.7 foot pounds wide torque range with LED flashing / buzzer alarm when torque is reached. Easy to read LCD display with measurements (kg-cm, N-m, in-lb. ft-lb)
  • Multiple Setting Functions: Torque, Measurement, and, Peak & Trace, Mode Settings. (Torque setting range: 10% of max torque value. Measuring range: 4 to 99 ft-lbs.)
  • Guaranteed Accuracy Range: ± 1.5% clockwise ± 2.5% CCW of indicated value, CW, from 20% to 100% of full scale – CR2032 Coin sell batteries required to operate the adapter.
  • The product quality meets or exceeds ASME B107.14-2004, ISO 6789 standards, individually serialized with matching certificate of calibration traceable to N.I.S.T.
  • 1 Year ACDelco Tools Limited Warranty: One-year limited manufacturer's warranty against defects in materials and workman ship.
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Frequently bought together

  • ACDelco ARM302-4S 1/2" Electronic Digital Torque Adapter, 12.5-250.7 ft-lbs, Buzzer/LED Flash Notification - ISO 6789 Standards Certificate of Calibration
  • +
  • ACDelco 3/8” Digital Torque Adapter (5.9-59 ft-lbs) with Audible Alert ARM602-3
  • +
  • ACDelco ARM602-4 1/2” Digital Torque Adapter (14.8-147.6 ft-lbs) with Audible Alert
Total price: $216.00
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From the manufacturer

ARM602-3 ARM302-4S ARM602-4 ARM602-4A
ARM602-3 ARM302-4S ARM602-4 ARM602-4A
Drive Size 3/8" 1/2" 1/2" 1/2"
Peak / Track Modes
Calibration Mode - - -
Accuracy * ±2% CW, ±3% CCW * ±1.5% CW, ±2.5% CCW * ±2% CW, ±3% CCW * ±1.5% CW, ±2.5% CCW *
Torque Range 5.9 to 59 ft-lbs 12.5 to 250.7 ft-lbs 14.8 to 147.6 ft-lbs 25 to 250 ft-lbs
Alert Types Buzzer Buzzer Buzzer Buzzer / LED

Product description

ACDelco ARM302-4S 1/2-inch drive digital torque adaptor provides torque setting range of 12.5-250.7 ft.Lbs. Memory capacity can store up to 30 sets of data. 2 LEDs flashing (Green & red) for visual alert, and audible torque confirmation by means of Buzzer. Allows to operate at 14 F degree to 140 F degree. Operation in both clockwise and counter-clockwise directions. Accuracy CW +-1.5%; CCW +- 2.5%. LCD display shows N-M (or kg-cm, In-lb., ft-lb) measurements. Turns a ratchet wrench into a digital torque wrench. Static torque measurement standard functions: torque setting, measurement setting, mode setting. [ACDelco Tools] ACDelco power tools are built for people who make a living with their tools, day in and day out, regardless of industry you are in and require reliability.


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4.1 out of 5 stars
4.1 out of 5
19 customer ratings
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Reviewed in the United States on October 15, 2016
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Reviewed in the United States on July 25, 2019
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Reviewed in the United States on July 14, 2019
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