Torque reference transducer is accurate and rugged
23 November 2009
HBM’s torque reference transducer TB2 is a reference and transfer transducer suitable for on site calibrations. It is available with nominal (rated) torque of 500Nm, 1kNm, 2kNm, 3kNm, 5kNm and 10kNm, and is characterised by a very low measurement uncertainty. The TB2 is particularly suitable for non-rotational torque measurements, and is housed within an hermetically-sealed enclosure, meeting protection class IP67.
In addition to its high accuracy, the TB2 exhibits low sensitivity to parasitic influences such as bending moments and lateral forces. Sensitivity to ambient influences, such as temperature deviations is also very low, thanks to the enclosed geometry of the measuring body. Indeed, the TB2 will operate over an operating temperature range of -50 °C to +80 °C.
Originally developed for industrial applications, the TB2 can also be used as a transfer transducer for torque calibration under laboratory conditions because of its high precision. it typically reaches its best class of 0.05 as per DIN 51309 or EA-10/14, for measurement range initial values from 2 percent; a range from 40 to 100 percent is normally required for this standard.
The strain gauges used in the measurement system enable the use of all amplifiers that support strain gauge full bridges. This includes, for example, HBM‘s ML38B precision amplifier module in the MGCplus system.
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