No wires. No power required. Read pressures anywhere. Maintenance Free.

KELLER has launched two new products: the 21 D RFID and the 21 DC RFID. Series 21 D RFID can be used to measure pressure indefinitely without external power supply or maintenance. Series 21 DC RFID pressure data logger, which runs on a special long-life battery.

The energy required to transmit measurements is provided wirelessly via the RFID interface. Potential applications for these hermetically sealed pressure transponders include mobile systems, large-scale facilities and as replacements for conventional pressure gauges with dials.

Take readings easily from inconspicuous measurement points. An RFID reader allows measurements to be read off quickly and easily and transferred straight to a laptop via USB. 

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