wmo accurately specifies the requirements sensors have to meet in order to be considered professional met equipment. these requirements go far beyond conventional applications like agriculture. beyond the pure sensor spec......wmo accurately specifies the requirements sensors have to meet in order to be considered professional met equipment. these requirements go far beyond conventional applications like agriculture. beyond the pure sensor specs wmo also specifies sampling and storage intervals and the rules for averaging. data loggers must therefore offer a high degree of flexibility in their programming options, and have interfaces for a wide variety of sensor outputs. but its also of the utmost importance that data is not only stored and infrequently read, thus reducing its value to only be of historic interest. data much rather needs to be available in almost real time and reliably be transmitted to a central station, where its processed and distributed. the adcon advantage adcon offers both - adequate data loggers and reliable and frequent data transmission. take a look at the a740 addnode - it was developed for the task! lots of i/os, each of which can individually be programmed and sampled, v and ma inputs, frequency, ttl and pulse counters, even ttl, analog and pwm outputs. its integrated radio modem sends data back to base in short intervals.