... qualified products in production line DR series Digital Resistance Meter with auto judgement(0.01-100 Ohm) The principle: When the value of ... in eletronical production line for control of auto inspection, simple to operate, and practical.2, Signal input can select data or ... or intevals,etc.4, Isolate analogue output: 0-10mA or 4-20mA,with output range adjusted by software.5, RS232 OR RS485 Modbus ...