Features: Multi ranges voltages signals generator with 0-60mV/0-600mV outputs and thermocouple compatibility ensures precise simulation for sensors calibration and testing. Featuring high accuracy PCB circuitry and battery powered stability, this portable generator minimizes signals interferences while offering intuitively operate through its user friendly interfaces. Designed for instrumentation engineers and maintenance technicians working with temperature measurement systems, industrial automation equipment, and scientific research laboratories. Essential for field testing thermocouple sensors in manufacturing plant, calibrating HVAC control modules, or conducting academic experiments requiring adjustable millivolt signals. Compact yet robust construction enables reliability long term performances in harsh environment, making this voltages signals generator a versatile solution for professional electrical validation and sensors diagnostics. Specifications: Component: PCB Size:Approx.33.3x16.1mm/13.11x6.33inch voltages signals: 0~60mV/0~600mV two-speed selection Applicable Functions: Analog/Debug/Calibration/Calibration signals source Applicable scenario:Electrical equipment inspection,sensors calibration; Option Type:Battery Removable, Welding; Package Includes: 1pc voltages signals Generator Thermocouple sensors note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.