This signal generator has a variety of signal measurement and output functions, including voltage, current, and thermocouple signals. It adopts high-definition LCD screen and silica gel buttons with distinct functions. It has clear display, simple operation, long standby time, high precision and Programmable output function. It is widely used in the debugging of PLC and process instruments, electric valves, etc. in laboratories and industrial sites.⊙Voltage signal: 0-30V, 0-24mV, 0-100mV output and measurement.⊙(where the output V is 15V max)⊙Current signal: active and passive 0-24mA, 4-20mA output and measurement⊙DC voltage 20mV 0.00-24.00mv ±0.2% 0.01mV 100mV 0.0-100.0mV ±0.2% 0.1mV⊙TC K E J T R B S N The output or measurement temperature cannot be less than the cold junction temperature，⊙Note: The minimum excitation current is 0.5mA, and the maximum excitation current is 3mA⊙Resistance Ω Output 15.0-400.0Ω ±0.2% 0.1Ω Input0.0-400.0Ω ±0.2% 0.1ΩWorking temperature and humidity: -10~55℃, 20~80%RH (no condensation)⊙Storage temperature: -20~70℃⊙Dimensions: 115*71*30(mm)⊙Weight: 300g⊙Power supply: 4 AAA batteries （not including )⊙Power consumption and battery consumption: about 200mA, when powered by 4 AAA batteries (nominal capacity of a single cell is 1100mAh), it can be used continuously for 4 hours under full load, ⊙and the special machine can be used continuously for 17 hours⊙Reverse connection and overcurrent protection: 30V