This standard valveless metering pump is specifically designed for immunoassay analyzers, featuring exceptional high-precision metering capabilities to ensure reliable fluid delivery under various complex experimental conditions. Its adjustable volume range allows for flexible adaptation to different experimental requirements, meeting a wide array of liquid handling needs. Additionally, the wetted materials of the pump exhibit excellent corrosion resistance, effectively resisting the erosion of various chemicals to ensure long-term safe use. Notably, this pump maintains outstanding repeatability within a lifespan of 2 million cycles, ensuring consistency in every operation, making it an ideal choice for laboratory liquid metering.