Series R53

Closure Torque Sensors

Ideal for testing torque on bottle caps, closures, valves, fasteners, and other items in sizes ranging between 0.56 – 5.7 [14 – 148 mm] diameter. Models include movable posts to easily accommodate a variety of shapes and sizes, with optional flat and adjustable jaws for unique samples. Capacities available from 10 ozFin to 100 lbFin (7 to 1,150 Ncm)

Requires a Mark-10 indicator, available separately.

  • Member of the Plug & Test® family of interchangeable sensors and indicators
  • Rugged aluminum housing
  • Includes four rubber-edged posts, accommodating a range of sample shapes and sizes
  • Spill-proof construction
  • May be used for torque tool calibration
  • NIST-traceable certificate of calibration with data is included. If the sensor is ordered with an indicator, a certificate for the set (indicator + sensor) can be supplied upon request, at no additional charge.
  • Warranty: 3 years
  • Accuracy: 
    ± 0.5% of full scale + indicator
  • Weight:
    MR53-10Z – MR53-50Z – 2.2 lb (1.0 kg), MR53-12 – MR53-100 – 5.4 lb (2.5 kg)
With Model 7i and 5i Indicators
Capacity x Resolution 
Model lbFin ozFin lbFft gFcm kgFmm Nmm Ncm Nm
MR53-10Z 10 x 0.01 700 x 0.5 7 x 0.005 70 x 0.05 7 x 0.005
MR53-20Z 20 x 0.02 1400 x 1 14 x 0.01 140 x 0.1 14 x 0.01
MR53-50Z 50 x 0.05 3600 x 5 36 x 0.05 350 x 0.5 35 x 0.05
MR53-12 12 x 0.01 192 x 0.1 1 x 0.001 135 x 0.1 1.35 x 0.001
MR53-50 50 x 0.05 800 x 0.5 4 x 0.005 570 x 0.5 5.7 x 0.005
MR53-100 100 x 0.1 1600 x 1 8 x 0.01 1150 x 1 11.5 x 0.01
With Model 3i Indicator
Capacity x Resolution 
Model lbFin ozFin kgFmm Ncm
MR53-10Z 10 x 0.01 7 x 0.005 7 x 0.005
MR53-20Z 20 x 0.02 14 x 0.01 14 x 0.01
MR53-50Z 50 x 0.05 36 x 0.05 36 x 0.05
MR53-12 12 x 0.01 192 x 0.2 135 x 0.1
MR53-50 50 x 0.05 800 x 1 570 x 0.5
MR53-100 100 x 0.1 1600 x 2 1150 x 1
Adjustable jaws (CT003)
4 rubber-edged gripping arms per jaw. Arms may be independently repositioned in 45° increments to accommodate unique samples.
Flat rubber jaws (CT001)
Alternative gripping method ideal for square or odd shaped samples.
Extended length posts (CT005, CT006)
2.5″ (63 mm) and 4″ (101 mm) lengths available.
IN [MM]
MR53-12 – MR53-100
MR53-10Z – MR53-50Z
Model Description US Price
MR53-10Z Torque sensor, 10 ozFin / 700 gFcm / 7 kgFmm / 70 Nmm / 7 Ncm $1,500.00
MR53-20Z Torque sensor, 20 ozFin / 1400 gFcm / 14 kgFmm / 140 Nmm / 14 Ncm $1,500.00
MR53-50Z Torque sensor, 50 ozFin / 3600 gFcm / 36 kgFmm / 350 Nmm / 35 Ncm $1,500.00
MR53-12 Torque sensor, 12 lbFin / 1 lbFft / 192 ozFin / 135 Ncm / 1.35 Nm $1,500.00
MR53-50 Torque sensor, 50 lbFin / 4 lbFft / 800 ozFin / 570 Ncm / 5.7 Nm $1,500.00
MR53-100 Torque sensor, 100 lbFin / 8 lbFft / 1600 ozFin / 1150 Ncm / 11.5 Nm $1,500.00
Additional Items to Consider
CT001 Flat jaws for TT01, pair $75.00
CT002 Carrying case for TT01 $195.00
CT003 Adjustable jaws for TT01, pair $350.00
CT004 Spare set of 4 posts, 1.25″ (included with TT01) $150.00
CT005 Set of 4 posts, 2.5″ $175.00
CT006 Set of 4 posts, 4″ $200.00
CT007 Kit of 4 posts of each length (12 total) $400.00