♦Adopting OLED LCD display screen, supporting Chinese and English display ♦The use of microprocessors increases flexibility and functionality ♦One analog quantity+two switching quantity dual mode outputs ♦Support two calibration methods: debugger and button; Optional two point and three point calibration modes ♦Extremely low temperature fluctuation, suitable for use in industrial environments with temperatures ranging from -30 to 80 degrees Celsius ♦Very flexible switch point setting, automatic recognition of control direction, and automatic insertion of return difference ♦Excellent anti-interference characteristics.