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Avoiding Noise Errors in Torque Sensing Systems

From Himmelstein, S. and Company
 

 

When introduced in 1963, Himmelsteins' MCRT® non-contact torque meters set a new standard for noise-free measurements. They retained the best features of slip ring devices high quality strain gage sensing, static and dynamic response, almost unlimited configuration flexibility and accuracy traceable to dead weight calibrations. Their transformer couplings offered long, noise-free life while eliminating brush noise, brush/ring wear, errors from wear products shunting gages, and susceptibility to oil contamination.

The first MCRT® torquemeters were also immune to industrial machinery noise common to that era. Since then, industrial noise has become much more severe, partly due to widespread use of adjustable speed drives with very high speed IGBT's. Electrical noise generated by many of these drives is bad enough to cause arc-over in motor bearing races inducing premature bearing and insulation failures.

Products & Services
Force and torque instruments are used to measure force, weight or torque. Some can measure force and torque by changing the sensor / transducer. Search by Specification | Learn more about Force and Torque Instruments
Torque sensors, gauges, instruments, and switches are used to measure torque in a variety of applications. Search by Specification | Learn more about Torque Sensors
Product Announcements
Himmelstein, S. and Company - Non-Contact Digital Torquemeters - MCRT
Non-Contract Digital Torquemeters - MCRT - from S. Himmelstein. These robust, non-contact devices have full scale ranges from 25 to 4,000,000 lbf-in. They output ±10V or ±5V analogs of torque,... (read more)
Himmelstein, S. and Company - Compact Digital Torquemeters - MCRT
Compact Digital Torquemeters from S. Himmelstein. These compact, non-contact devices have full scale ranges from 25 to 10,000 lbf-in. They output ±10V or ±5V analogs of torque, as well as... (read more)
Himmelstein, S. and Company - Bearingless Digital Torquemeters from Himmelstein
S. Himmelstein and Company introduces the MCRT® 86000V and 87000V Series Bearingless Digital Torquemeters which offer exceptional installation latitude. They tolerate rotor to stator misalignments of... (read more)
Himmelstein, S. and Company - Low Capacity Torque Meters
S. Himmelstein and Company introduced the new model MCRT® 28000T and MCRT®29000T low capacity non-contact torque meters. These robust torque sensors measure static and dynamic torque with fast... (read more)
Himmelstein, S. and Company - Dual Range Torquemeters
MCRT 79000V Series Dual Range Torquemeters. Replaces Multiple Torquemeters Hardened to EMI From Adjustable Speed Drives 10X Low Range Overload NIST Traceable Remote Calibration Robust, Ferrite-free... (read more)
Himmelstein, S. and Company - Wheel Torquemeters
MCRT 27000V Series dc operated, automotive wheel torque sensors ("torque wheels"). Integral signal conditioners eliminate any need for external amplifiers. MCRT 27000V Torque Wheels... (read more)
Himmelstein, S. and Company - DC Operated Torque Meters
S. Himmelstein and Company introduced the new MCRT® 49000V Series dc operated, non-contact torque meters. These robust torque sensors measure machinery torque with fast response and 0.1% accuracy,... (read more)
Himmelstein, S. and Company - Solid Flanged Reaction Torquemeters
Solid Flanged Reaction Torquemeters from S. Himmelstein. These stationary sensors accurately measure static and dynamic torque of rotating and non-rotating drivelines. They are expected to find... (read more)
Himmelstein, S. and Company - Precision Solid Flanged Reaction Torquemeters
S. Himmelstein and Company introduced the 2200 Series Solid Flanged Reaction Torquemeters. These stationary sensors accurately measure static and dynamic torque of rotating and non-rotating... (read more)
Himmelstein, S. and Company - High Overload Torque Meters
S. Himmelstein and Company introduced the MCRT® 59000V Series high overload torque meters. These robust, non-contact torque sensors offer industries highest safety margins - overload capacity is 10... (read more)
Topics of Interest
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There are many applications that require rotary style transducers. This special class of transducer requires the ability to rotate but be able to measure the torque applied to a joint. Historically... (Read More)
The brushless DC fan (BDC Fan) has become the air mover of choice in computing equipment, office automation products, home entertainment systems, and the like. Unlike conventional DC fans, the BDC fan... (Read More)
4.1 Introduction In the area of signal processing, we come across analogue and digital filtering concepts and methods. The real-life systems give rise to signals, which are invariably contaminated... (Read More)
Proper lubrication along with reducing/eliminating foreign contamination are essential for preventing premature catastrophic failure. The R/B/S multi-purpose PTFE fortified synthetic grease has been... (Read More)
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