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Wireless Pressure/Temperature Sensor

Transducers Direct introduced its TDWLB temperature/pressure sensor, able to transmit data over Bluetooth, with setup and readout available on a smart-phone application. The sensor is powered with a coin-cell battery. The TDWLB uses proprietary digital circuitry for high energy efficiency to provide an 18- to 24-month battery life and redundant sensing. Its smart-phone application lets the user name each sensor one time securely, then program set points/alarms for multiple sensors, monitor readings, and graph activity over time, all from a phone, tablet, or computer. The US-made sensor is all digital, eliminating mechanical components, wear parts, analog circuitry, and set-point drift for ultimate reliability and accuracy. It uses a one-piece, precision-machined stainless-steel diaphragm and header, providing 10 times the life span of a conventional diaphragm, and eliminates all springs, pushrods, microswitches, and O-rings. All wetted parts are stainless steel. The TDWLB’s all-digital design eliminates amplifiers, filters, and amplified noise, producing a high-resolution signal without analog variability or noise in the circuit. The TDWLB is available in two different compensated accuracies of 1% and 0.25%, with temperature sensing as an option. It is designed for intermittent, rather than dynamic, machine-control applications.

The Transducers Direct TDWLB wireless pressure/temperature sensor.

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