... -10.000V-+10.000V; 0.01Hz-10.00KHz. TK series digital Signal Generator Meter (V mV mA Hz) Features: 1 ... in industrial site test, computer remote control system in factory,laboratory;3, Sensor power 24V/100mA available if needed.4, RS232 ... manufacture thousands of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, ...