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The DS-4 Light Weight Digital Torque Tester / Screwdriver features an integral/adjustable LCD display for more convenient torque readings. The unit is designed for screw tightening torque verification and measures in Real Time, First Peak and Peak measuring modes (selectable).
The DS-4 has an accuracy of ± 0.5% F.S., ±1 LSD and has programmable setpoints that provide both an audible beep and green/red LED indicator for uniform tightening or GO/NO GO testing. In addition, it features a programmable counter that minimizes assembly errors by identifying mis-tightening and/or defective screws. Use the 400 internal memory for data recall or RS-232 download for SPC. 
The DS-4 torque tester substantially reduces scrap and rework costs by eliminating over and under-tightening and is ideal for use in a wide variety of applications including the manufacture of electronic, appliance and aerospace assemblies.
Model DS-4 is sold in kits which includes the torque tester / screwdriver, stepless one-way clutch adapter, Phillips tip and AC adapter/charger. Optional carrying case available.