Microtrend Technologies has introduced their 5 digit 7 segment counter modules to measure RPM, units, batches produced etc. In spite of its small size(3.1"*3.1"), it has packed quite a punch. Options includes alarms which triggers on board relays at preset limits input pulse divider. Modules can be used stand alone or integrated into control systems, making it powerful for process monitoring and control applications. Interfaces include RS232, RS485 and USB. Prices start at $15.99.