E+E Elektronik Corp., Canton, MA, offers EE240 wireless sensors to measure humidity, temperature, or carbon dioxide. You can connect up to 3 intelligent probes to each wireless transmitter. Each probe operates independently and can be hot-swapped. Remote probes let you place the sensing head up to 10 m away from the transmitter. The base station has an Ethernet interface, an integrated Web server, and 4 analog outputs. Routers are available to expand the network. The 2.4 GHz, IEEE 802.15.4 wireless devices have 10 mW transmission power and a 100 m radio range.
E+E Elektronik GmbH