The Williams 2502-I-DTTW Digital Torque Tester has a 3/8 Inch Drive and can test ranges an English range of 25-250 In lbs and Metric ranges between 2.82 - 28.25 Nm and 28.80 - 288 cmkg. The DTT torque tool tester utilizes the testing protocol and standards developed by the American Society of Mechanical Engineers (ASME). 

The 3/8" drive digital torque wrench tester is designed to be an affordable torque tester that can be mounted on a wall or used in a bench-top vise to allow the operator to conveniently test torque wrenches and torque screwdrivers. It features an easy to use touch pad screen to capture peak torque values during a test in real time, and download stored torque data to a PC. All DTT torque testers are sold in a kit with the tester, carrying case and AC/DC power supply. 

Features: 

• Integral Transducer and sturdy housing allow mounting in virtually any position
• Integral Transducer: Full bridge strain gage, 350 ohm, 
  1500uE, 3mV/V F.S, 3.75 excitation.
• Units of Torque: Nm, kgcm, ft.lb., in.lb., kgm
• Audible (tone)
• Torque Accuracy: ±0.5% CW and CCW from 5.6 to 100% of full scale at 25° C
• LCD Touch Screen: 4.7 in. color graphics display
• Screen resolution: 480 X 272 pixels
• 110 Volt AC/DC power supply included
• Display Accuracy: 4 digits, 9999 cycle counts
• Memory Capacity – 500 Records (Complete Check Mode Only.)
• Data can be offloaded by USB drive or cable
• Six "AA" Alkaline cells for battery power included
• Track, Peak and First Peak modes of operation
• Operating Temperature: 40 to 110° F (5 to 42° C)
• Storage Temperature: 0 to 122° F (-20 to 50° C)
• Humidity up to 85% non-condensing
• ISO-6789-2003 and ASME B107-28-2005 standards compliant
• Certificate of N.I.S.T. traceability from 5.6 to 100% of full scale
• Includes storage case, AC adapter and USB cable
• Dimensions: W - 10” x H - 16” x D - 2.5” Weight: (Tester Only) - 10.7 lbs., (with Carrying Case) - 17.4 lbs.

Optional CDI Table Mounting Bracket For Digital Torque Testers - 2344-0050-03