N420 Frequency Converter. Converts signals from pulse to an analogue current or voltage output. Units can be supplied pre-programmed with a flow meter, or supplied with software to allow user configuration. Programming via USB 2.0 interface, which can also provide an onscreen display on the PC. Output option: Analogue 0-5V, 1-5V, 0-10V, 2-10V, 0-20mA, 4-20mA; digital output 5V TTL compatible square wave, frequency scaled output. DIN Rail Mounting. Power supply: 12 to 30vDC (180mA @ ...