• Digital torque tester with external sensor, to test torque wrenches, torque screwdrivers and other torque tools
  • Digital torque tester with clockwise and counter-clockwise operation
  • Peak, track and first peak working modes
  • Unit: cN.m, in.lb, kg.cm
  • Low and high limits with judgement
  • Target torque value can be set (10 target torque values can be saved and selected quickly), with audible and visible alarm: green LED light on and buzzer sounds when the value is 80%~100% of target torque both green and red LED light on and buzzer sounds when the target torque value is reached
  • Memory of 2000 measurement values for browsing and output
  • Automatic power off
digital torque tester-IST-TT550 digital torque tester-IST-TT550_01


Code range Accuracy Resolution Square socket (L) Power supply Adaptor Transducer dimension Weight
IST-TT550 55 550 ~ N.m ±1% lockwise and counter-clockwise (c ) 0.1N.m 3/4″ DC 3/4″ to 1/2″ 1/2″ to 3/8″ 140x140x97mm 2.8kg

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