Keyed-Shaft In-Line Rotating Torque Transducer
The MCRT® 48800V Ultra-Precise Digital Torquemeter is a high-performance in-line rotating torque transducer designed for demanding torque measurement and rotational testing applications.
Combining exceptional accuracy, high-speed measurement and robust EMI protection, the MCRT® 48800V provides reliable measurement of torque, rotational speed and power. Digital and analogue outputs make the system suitable for integration with data acquisition systems, test equipment and automated test environments.
With up to 1 kHz bandwidth, excellent temperature stability and low long-term drift, the MCRT® 48800V delivers precise and repeatable measurements across a wide range of torque capacities.
Key Features
- Ultra-high accuracy with combined nonlinearity and hysteresis as low as ±0.02% of range
- Measures torque, speed and power
- Digital and analogue outputs
- 1 kHz bandwidth with selectable Bessel response filtering
- Temperature performance as low as 0.0006% of range/°F
- 48-hour drift of 0.02%
- Hardened against EMI from adjustable-speed drives
- Bi-polar rotor shunt calibration
- NIST-traceable calibration
- ISO 17025 accredited bidirectional calibration
- Keyed-shaft design for secure in-line rotational torque measurement
- 200% mechanical overload capacity
- User-selectable ±10 V or ±5 V analogue output
- Digital output via RS232, RS422 or RS485
- Available with enhanced performance and foot-mount options
Torque Ranges
| Model | Nm | lbf-in |
|---|---|---|
| MCRT® 48801V(25-0) | 2.82 | 25 |
| MCRT® 48801V(5-1) | 5.65 | 50 |
| MCRT® 48801V(1-2) | 11.3 | 100 |
| MCRT® 48801V(2-2) | 22.6 | 200 |
| MCRT® 48802V(5-2) | 56.5 | 500 |
| MCRT® 48802V(1-3) | 113 | 1,000 |
| MCRT® 48803V(2-3) | 226 | 2,000 |
| MCRT® 48804V(5-3) | 565 | 5,000 |
| MCRT® 48804V(1-4) | 1,130 | 10,000 |
| MCRT® 48806V(2-4) | 2,260 | 20,000 |
| MCRT® 48806V(4-4) | 4,520 | 40,000 |
| MCRT® 48807V(5-4) | 5,650 | 50,000 |
| MCRT® 48807V(1-5) | 11,300 | 100,000 |
| MCRT® 48808V(2-5) | 22,600 | 200,000 |
| MCRT® 48808V(375-3) | 42,400 | 375,000 |
Accuracy & Temperature Performance
Two performance levels are available:
| Specification | Code N | Code C – Enhanced Performance |
| Combined Error (% of Range) | ≤ ±0.04% | ≤ ±0.02% |
| Temperature Effect Zero (% of Range/°F) | ≤ ±0.001% | ≤ ±0.0006% |
| Temperature Effect Zero (% of Range/°C) | ≤ ±0.0018% | ≤ ±0.001% |
| Temperature Effect Span (% of Reading/°F) | ≤ ±0.002% | ≤ ±0.002% |
| Temperature Effect Span (% of Reading/°C) | ≤ ±0.0036% | ≤ ±0.0036% |
Technical Specifications
Mechanical Overload: 200%
Nominal Overrange: 150% of range
System Resolution: 0.003% of full scale
Analogue Output:
CW = +10 V / CCW = -10 V or CW = +5 V / CCW = -5 V, user selectable. Provides full-scale torque and power output.
Digital Output:
Torque, speed and power in engineering units via RS232, RS422 or RS485.
Bandwidth:
0.1 Hz to 1,000 Hz using thirteen selectable 1-2-5 Bessel response filter steps.
Compensated Temperature Range:
+75 to +175°F / +23.9 to +79.4°C
Usable Temperature Range:
-25 to +185°F / -31 to +85°C
Storage Temperature Range:
-65 to +225°F / -54 to +107°C
Power Supply:
10–26 VDC at 2.7 W nominal
Available Options
- Code C: Enhanced Performance
- Code F: Foot Mount
- Code Z: Speed and Power Output
Compatible Instruments & Accessories
Display Instruments
- Model 703+ – Torque display only
- Model 733+ – Torque and speed display
Cables
Standard cable lengths are 20, 50 and 100 ft. Replace XX in the part number with the required cable length.
| Application | Part Number |
| Torque to 703+ or 733+ | 224-8722-XX |
| Torque & Speed to 733+ | 224-8800-XX |
| Analogue Outputs to Tinned Leads | 224-8917-XX |
| Logic I/O to Tinned Leads | 224-8918-XX |
| RS232 | 224-8359-XX |
| RS422/485 | 224-8360-XX |
| RS485 Torquemeter to Torquemeter | 224-8361-XX |
Applications
The MCRT® 48800V is suited to precision rotational torque measurement in research and development, product testing, quality control, drivetrain testing, motor testing, power transmission testing and automated test systems.
Its combination of high accuracy, wide bandwidth, digital connectivity and robust EMI protection makes it suitable for demanding industrial and laboratory torque measurement applications.