Radio pressure sensor F9.750 series

relative4-20 mA0-10 V

Electronic pressure sensors with radio transmission will be used to monitor hydraulic clamping fixtures, if • hard wired connections are not possible or too expensive. • the pressure has to be measured in hard-to-reach points or has to be adjusted frequently. • the pressure has to be measured continuously in several places at the same time. • the pressure has to be checked during start up and maintenance with minimum installation costs. Up to 16 pressure sensors can be individually configured and monitored at a stationary receiver unit with antenna. The electronic pressure sensor (Pressure Switches F 9.733) operates according to the DMS principle. The measured values are sent in the ISM band to the stationary receiver unit. The range is max. 300 m in the free field. The replaceable lithium battery has a service life up to one year. The state of charge is constantly monitored. The receiver unit can be configured with the keyboard and the two-line LCD-display. With the optionally available setup program on a PC or laptop that can be connected with a USB cable it is even more flexible. A laptop with the loaded setup program can be directly connected to the pressure sensor by means of a mini-USB cable. Thus, a temporary pressure measurement is also possible without receiver unit, e.g. during start up and maintenance. The receiver unit has four freely configurable analog outputs (optionally two relay outputs) and a RS485 interface with Modbus protocol. Available as an accessory is a Profibus gateway that translates the Modbus protocol into a PROFIBUS protocol with GSD.