Series R55

Square Drive Torque Sensors

This rugged series of torque sensors is ideal for a wide range of torque testing applications in numerous industries. Square drives on both ends permit inline use with a torque wrench, or for use in OEM and other applications. Ranges available up to 5,000 lbFin (550 Nm). A combined certificate for the sensor and an indicator is available at time of order at no charge, part no. CERT-SI.

Compatible with Mark-10 indicators (sold separately), through unique Plug & Test® technology. A combined certificate for the sensor and an indicator is available at time of order, part no. CERT-SI.

Features

  • Rugged cylindrical design
  • Square drives on each end
  • Member of the Plug & Test® family of interchangeable sensors and indicators
  • Stainless steel and aluminum construction
  • 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: 
    ±0.6% of full scale + indicator
  • Weight:
    MR55-20 – MR55-1000: 1.3 lb [0.6 kg]
    MR55-5000: 1.9 lb [0.9 kg]
  • Shipping weight:
    MR55-20 – MR55-1000: 3 lb [1.4 kg]
    MR55-5000: 4 lb [1.8 kg]
  • HS code:
    MR55 (all models): 9024900000
    AC1010: 9024800000
  • ECCN
    EAR99
  • Country of origin:
    USA

Capacity x Resolution

With Model M7I and M5I Indicators
Capacity x Resolution 
Model lbFin ozFin lbFft kgFmm Ncm Nm
MR55-20 20 x 0.02 320 x 0.2 1.5 x 0.002 - 220 x 0.2 2 x 0.002
MR55-50 50 x 0.05 800 x 0.5 4 x 0.005 - 570 x 0.5 5.7 x 0.005
MR55-100 100 x 0.1 1600 x 1 8 x 0.01 - 1150 x 1 11.5 x 0.01
MR55-200 200 x 0.2 - 16 x 0.02 2300 x 2 2200 x 2 22 x 0.02
MR55-400 400 x 0.5 - 32 x 0.05 4600 x 5 4500 x 5 45 x 0.05
MR55-1000 1000 x 1 - 80 x 0.1 11500 x 10 11000 x 10 110 x 0.1
MR55-5000 5000 x 5 - 400 x 0.5 55 x 0.05 kgFm 55000 x 50 550 x 0.5
With Model M3I Indicator
Capacity x Resolution 
Model lbFin ozFin kgFmm Ncm
MR55-20 20 x 0.02 320 x 0.5 - 220 x 0.2
MR55-50 50 x 0.05 800 x 1 - 570 x 0.5
MR55-100 100 x 0.1 1600 x 2 - 1150 x 1
MR55-200 200 x 0.2 - 2300 x 2 2200 x 2
MR55-400 400 x 0.5 - 4600 x 5 4500 x 5
MR55-1000 1000 x 1 - 11500 x 10 11000 x 10
MR55-5000 5000 x 5 - 55 x 0.05 kgFm 550 x 0.5 Nm

Dimensions

IN [MM]
Model Drive Size A B C D ØE F
MR55-20 1/4" 0.30
[7.5]
1.73
[44.0]
0.32
[8.0]
0.39
[10.0]
1.77
[45.0]
2.32
[59.0]
MR55-50
MR55-100
MR55-200 3/8" 0.41
[10.5]
1.73
[44.0]
0.43
[11.0]
MR55-400
MR55-1000 1/2" 0.59
[15.0]
0.63
[16.0]
MR55-5000 3/4" 0.89
[22.5]
2.11
[53.5]
0.94
[24.0]
0.77
[19.5]
2.01
[51.0]
2.56
[65.0]

Ordering Information


Model Description US Price
MR55-20 Torque sensor, 20 lbFin / 1.5 lbFft / 320 ozFin / 220 Ncm / 2 Nm $1,375.00
MR55-50 Torque sensor, 50 lbFin / 4 lbFft / 800 ozFin / 570 Ncm / 5.7 Nm $1,375.00
MR55-100 Torque sensor, 100 lbFin / 8 lbFft / 1600 ozFin / 1150 Ncm / 11.5 Nm $1,375.00
MR55-200 Torque sensor, 200 lbFin / 16 lbFft / 2300 kgFmm / 2200 Ncm / 22 Nm $1,375.00
MR55-400 Torque sensor, 400 lbFin / 32 lbFft / 4600 kgFmm / 4500 Ncm / 45 Nm $1,375.00
MR55-1000 Torque sensor, 1000 lbFin / 80 lbFft / 11500 kgFmm / 11000 Ncm / 110 Nm $1,375.00
MR55-5000* Torque sensor, 5000 lbFin / 400 lbFft / 55 kgFm / 55000 Ncm / 550 Nm $1,375.00
Additional Items to Consider
AC1010 Mounting kit, MR55-200 / MR55-400, tabletop $125.00
CERT-SI Combined certificate of calibration with data, indicator + sensor, calibrated as a set $0.00

* Lead time is is typically 2-3 weeks longer for this model.