Series R51

Universal Torque Sensors

A great solution for general bi-directional torque testing applications requiring different sample sizes. Three interchangeable chuck capacities and bit holder are available. The R51 has superb overload protection and is available in capacities from 10 ozFin to 100 lbFin (7 to 1,150 Ncm).

Requires a Mark-10 indicator, available separately.

Features

  • Member of the Plug & Test® family of interchangeable sensors and indicators
  • Outstanding overload protection
  • Interchangeable chucks (order separately)
  • 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

Specifications

  • Accuracy: 
    ± 0.20% of full scale + indicator
  • Weight:
    From 1.4 lb (0.6 kg)

Capacity x Resolution

With Model 7i and 5i Indicators
Capacity x Resolution 
ModellbFinozFinlbFftgFcmkgFmmNmmNcmNm
MR51-10Z10 x 0.005700 x 0.57 x 0.00570 x 0.057 x 0.005
MR51-20Z20 x 0.011400 x 114 x 0.01140 x 0.114 x 0.01
MR51-50Z50 x 0.023600 x 236 x 0.02350 x 0.235 x 0.02
MR51-1212 x 0.005192 x 0.11 x 0.0005135 x 0.11.35 x 0.001
MR51-5050 x 0.02800 x 0.54 x 0.002570 x 0.55.7 x 0.005
MR51-100100 x 0.051600 x 18 x 0.0051150 x 0.511.5 x 0.005
With Model 3i Indicator
Capacity x Resolution 
ModellbFinozFinkgFmmNcm
MR51-10Z10 x 0.017 x 0.0057 x 0.005
MR51-20Z20 x 0.0214 x 0.0114 x 0.01
MR51-50Z50 x 0.0536 x 0.0536 x 0.05
MR51-1212 x 0.01192 x 0.2135 x 0.1
MR51-5050 x 0.05800 x 1570 x 0.5
MR51-100100 x 0.11600 x 21150 x 1

Dimensions

IN [MM]

Ordering Information


ModelDescriptionUS Price
MR51-10ZTorque sensor, 10 ozFin / 700 gFcm / 7 kgFmm / 70 Nmm / 7 Ncm$795.00
MR51-20ZTorque sensor, 20 ozFin / 1400 gFcm / 14 kgFmm / 140 Nmm / 14 Ncm$795.00
MR51-50ZTorque sensor, 50 ozFin / 3600 gFcm / 36 kgFmm / 350 Nmm / 35 Ncm$795.00
MR51-12Torque sensor, 12 lbFin / 1 lbFft / 192 ozFin / 135 Ncm / 1.35 Nm$745.00
MR51-50Torque sensor, 50 lbFin / 4 lbFft / 800 ozFin / 570 Ncm / 5.7 Nm$745.00
MR51-100Torque sensor, 100 lbFin / 8 lbFft / 1600 ozFin / 1150 Ncm / 11.5 Nm$745.00
G1016-1Jacobs chuck for R51, 0.028”-0.25” dia.$140.00
G1016-2 *Jacobs chuck for R51, 0.062”-0.375” dia.$145.00
G1016-3 *Jacobs chuck for R51, 0.078”-0.5” dia.$150.00
G1017Bit holder for 1/4” hex, for R51$150.00
20-1025Spare chuck key for G1016-3, size KK$10.00
20-1025-1Spare chuck key for G1016-1 and G1016-2, size KGA$10.00

* Due to the increased possibility of overload resulting from a higher weight attachment used with a lower capacity torque sensor, these attachments are recommended for use only with an MR51-12 or higher capacity model.