Collect on-machine data for power, torque and speed

Paul Boughton
Datum Electronics is offering new Shaft Power Measuring Kits that provide engineers with the opportunity to measure and monitor shaft power accurately, even when the equipment is operating in the field. The kits can be applied using minimal skills in six simple steps, providing accurate data on a portable PC within less than an hour.
Kits are available in two formats: the standard kit provides data from the shaft for long-duration trials of between 30-60 days and is supplied in a robust, weatherproof shaft housing; the second format is a compact version for single-day trials to access power levels and torque characteristics such as start-up maximum torque levels.
Both kits are designed to be easily fitted with a minimal of on-site operations. The strain gauges used are supplied with a connector to remove the need for soldering and have an encapsulated coating to simplify environmental sealing.
Each system provides an output of shaft torque, rotational speed (RPM) and power. The instrumentation has an accuracy of 0.1 per cent and can provide data rates from 1-1000 samples per second (sps), with additional dynamic options up to 15,000sps.
Kits are supplied with an intuitive PC utility to display and log the data, and an optional interface is available to provide 4-20mA or +/-10V DC signals for logging and control systems.
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