MCRT® 79700V Series Dual Range Digital Torque Transducers MCRT® 79700V
The MCRT® 79700V Series of Dual Range Digital Torque Transducers will accurately measure low running and high load torque without the cost and inconvenience of swapping two or more conventional torque sensors. Another important application is measuring torque when the ratio of peak torque to average torque is high. In that situation, a conventional torquemeter must be oversized to avoid damage – a process which greatly reduces accuracy. Conditions that create high peak to average ratios include starting, stopping or reversing inertial loads, torsional oscillations, and diesel and single cylinder engine/compressor drives. Additionally, when peak torques are unknown, an MCRT® 79700V reduces the risk of damage from unexpected or accidental torque spikes.
These Dual Range Torquemeters have a LOW range that is 20% of its' HIGH range. Three simultaneous analog outputs can be individually set to 5 or 10 volts at each range full scale. Overrange is 150% to 300% and mechanical overload is 200% of the HIGH range and 1,000% of the LOW range. Digital output of torque, and speed and power with option Z, is available over the resident RS232 serial port. Included software interfaces with Windows based PC's for data display and collection as well as instrument setup.
Each range is calibrated in our accredited laboratory and documented by a NVLAP approved calibration certificate certifying NIST traceability and documenting our laboratory operation and our quality management system meets ISO/IEC 17025-2005. Temperature compensation and CW and CCW dead weight load calibrations are performed on each range.
Combined Nonlinearity and Hysteresis (end point method, % of Range)
≤±0.10
Nonrepeatability(% of Range)
≤±0.025
Rotational Effect on Zero (% of Range)
≤±0.03
Temperature Effects:
Zero (% of Range/deg. F.)
≤±0.001
Span (% of Rdg./deg. F.)
Compensated Range
Minimum Usable Range
-25 to +185 deg. F
Storage Range
Analog Outputs:
Clockwise (CW) Torque and Power (Option Z) (Volts)
+10 or +5, user selectable
Counterclockwise (CCW) Torque and Power (Option Z) (Volts)
-10 or -5, user selectable
Minimum Resistive Load
0.05 μF
150 with ±10 volt outputs, 300 on ±5 volt outputs
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