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High accuracy rotary transducer

Transducer IRTT-B

The Atlas Copco IRTT-B is the latest generation of in-line rotary torque and torque/angle transducers, delivering significant improvements in measurement accuracy and mechanical durability for nutrunner calibration in continuous tightening mode. A patented measurement system provides better resolution and longer service life compared to previous generations, and the IRTT-B memory chip is automatically recognised by the STa 6000, IRC-Connect, and STBench -- eliminating manual configuration steps and preventing identification errors during calibration workflows.

  • Latest generation in-line rotary torque and angle transducer
  • Patented system delivers better resolution and longer service life
  • Auto-recognised by STa 6000, IRC-Connect, and STBench -- no manual config
  • Improved durability for continuous tightening mode nutrunner calibration
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Transducer IRTT-B
Products in this range

Transducer IRTT-B models.

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ProductSKU / ModelKey specifications
M12 60NM 540DEGM12 60NM 540DEG4080 0790 91
M12 50NM 180DEGM12 50NM 180DEG4080 0790 92
M14 90NM 540DEGM14 90NM 540DEG4080 0791 91
M14 90NM 30DEGM14 90NM 30DEG4080 0791 90
M10 30NM 30DEGM10 30NM 30DEG4080 0789 90
M12 60NM 30DEGM12 60NM 30DEG4080 0790 90
M16 135NM 180DEGM16 135NM 180DEG4080 0837 92
M14 100NM 180DEGM14 100NM 180DEG4080 0791 92
M8 15NM 540DEGM8 15NM 540DEG4080 0788 91
M8 15NM 30DEGM8 15NM 30DEG4080 0788 90
M8 20NM 180DEGM8 20NM 180DEG4080 0788 92
M10 30NM 540DEGM10 30NM 540DEG4080 0789 91
M30 800NM 360DEGM30 800NM 360DEG4080 0876 90
M20 400NM 360DEGM20 400NM 360DEG4080 0868 90
M16 200NM 360DEGM16 200NM 360DEG4080 0866 90
M16 200NM 60DEGM16 200NM 60DEG4080 0865 90
M20 400NM 60DEGM20 400NM 60DEG4080 0867 90
M30 800NM 60DEGM30 800NM 60DEG4080 0876 95
M4 3NM 45DEGM4 3NM 45DEG4145 0958 81
M6 9NM 45DEGM6 9NM 45DEG4145 0958 83
M6 6NM 45DEGM6 6NM 45DEG4145 0958 82
M4 2NM 900DEGM4 2NM 900DEG4145 0959 80
M6 7NM 900DEGM6 7NM 900DEG4145 0959 82
M6 4NM 900DEGM6 4NM 900DEG4145 0959 81
M12M124243 0166 05
IRTT-B 5-I06IRTT-B 5-I068059 0942 05
  • Length: 115.8 mm
  • Capacity: 3.6 ft-lb
IRTT-B 20-I06IRTT-B 20-I068059 0942 10
  • Length: 115.8 mm
  • Capacity: 15 ft-lb
IRTT-B 180-13IRTT-B 180-138059 0942 30
  • Drive square: 1/2 in
  • Length: 87 mm
  • Capacity: 133 ft-lb
IRTT-B 25A-10IRTT-B 25A-108059 0943 21
  • Drive square: 3/8 in
  • Length: 76.1 mm
  • Capacity: 18.4 ft-lb
IRTT-B 3000A-38IRTT-B 3000A-388059 0943 52
  • Drive square: 1 1/2 in
  • Length: 165 mm
  • Capacity: 2200 ft-lb
IRTT-B 1A-I06IRTT-B 1A-I068059 0943 96
  • Length: 115.8 mm
  • Capacity: 0.73 ft-lb
IRTT-B 5000-38IRTT-B 5000-388059 0942 56
  • Drive square: 1 1/2 in
  • Length: 165 mm
  • Capacity: 3685 ft-lb
IRTT-B 750-25IRTT-B 750-258059 0942 40
  • Drive square: 1 in
  • Length: 125 mm
  • Capacity: 553 ft-lb
IRTT-B 5000A-38IRTT-B 5000A-388059 0943 56
  • Drive square: 1 1/2 in
  • Length: 165 mm
  • Capacity: 3685 ft-lb
IRTT-B 1400A-25IRTT-B 1400A-258059 0943 46
  • Drive square: 1 in
  • Length: 125 mm
  • Capacity: 1033 ft-lb
IRTT-B 5A-06IRTT-B 5A-068059 0943 08
  • Drive square: 1/4 in
  • Length: 71.5 mm
  • Capacity: 3.6 ft-lb
IRTT-B 3000-38IRTT-B 3000-388059 0942 52
  • Drive square: 1 1/2 in
  • Length: 165 mm
  • Capacity: 2200 ft-lb
IRTT-B 25-10IRTT-B 25-108059 0942 20
  • Drive square: 3/8 in
  • Length: 76.1 mm
  • Capacity: 18.4 ft-lb
IRTT-B 20A-I06IRTT-B 20A-I068059 0943 11
  • Length: 115.8 mm
  • Capacity: 15 ft-lb
IRTT-B 750A-25IRTT-B 750A-258059 0943 41
  • Drive square: 1 in
  • Length: 125 mm
  • Capacity: 553 ft-lb
IRTT-B 20A-06IRTT-B 20A-068059 0943 16
  • Drive square: 1/4 in
  • Length: 71.5 mm
  • Capacity: 15 ft-lb
IRTT-B 500-20IRTT-B 500-208059 0942 35
  • Drive square: 3/4 in
  • Length: 106 mm
  • Capacity: 369 ft-lb
IRTT-B 20-06IRTT-B 20-068059 0942 15
  • Drive square: 1/4 in
  • Length: 71.5 mm
  • Capacity: 15 ft-lb
IRTT-B 2A-I06IRTT-B 2A-I068059 0943 01
  • Length: 115.8 mm
  • Capacity: 1.47 ft-lb
IRTT-B 5-06IRTT-B 5-068059 0942 07
  • Drive square: 1/4 in
  • Length: 71.5 mm
  • Capacity: 3.6 ft-lb
IRTT-B 500A-20IRTT-B 500A-208059 0943 36
  • Drive square: 3/4 in
  • Length: 106 mm
  • Capacity: 369 ft-lb
IRTT-B 5A-I06IRTT-B 5A-I068059 0943 06
  • Length: 115.8 mm
  • Capacity: 3.6 ft-lb
IRTT-B 1400-25IRTT-B 1400-258059 0942 45
  • Drive square: 1 in
  • Length: 125 mm
  • Capacity: 1033 ft-lb
IRTT-B 75A-10IRTT-B 75A-108059 0943 26
  • Drive square: 3/8 in
  • Length: 76 mm
  • Capacity: 55 ft-lb
IRTT-B 180A-13IRTT-B 180A-138059 0943 31
  • Drive square: 1/2 in
  • Length: 87 mm
  • Capacity: 133 ft-lb
IRTT-B 75-10IRTT-B 75-108059 0942 25
  • 19-24 calendar days: Drive square
  • 3/8 in: Length
  • 76.1 mm: Capacity
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