For measuring equipment that cannot be dismantled and shipped due to the installation situation or the cost and time it would entail, another solution is applied that meets the quality standards required for audits: Using precise reference transducers (transfer standards), calibrations can also be performed on site, installed in the same conditions as the transducers in operation. HBM offers force and torque transducers for this calibration task, which not only offer extremely small measurement uncertainty but are also robust and can be combined with amplifier modules specially designed for this purpose to form economical reference measuring chains.
The U15 has proved its worth in the force range, covering measuring ranges up to 2.5 MN. The sensor is suitable for tensile and compressive forces. It is made entirely of stainless steel, hermetically sealed, and meets the requirements of the IP67 degree of protection. According to ISO 376, the class accuracy is 0.5*. The U15 measuring range guaranteed by HBM is exceptional: Class 0.5 is maintained from 10% of the maximum measuring force up to the full-scale value.
The C15 is available for applications that require compressive forces only. It complies with the requirements of Class 00 per ISO 376. Both C15 and U15 provide an unusually high output signal. With more than 4 mV/V, the input levels of the amplifier modules can be fully utilized, resulting in excellent resolution.