小巧灵活的设计使这款气体驱动泵成为输送高质量样品的理想之选,并与 464 型 电子控制装置. Flow rates of 20 to 150mL/min make the 408M suitable for low flow sampling applications. Constructed of stainless steel and LDPE for lengths less than 15 m (50 ft.) and PTFE tubing for any depths up to 75 m (250 ft.) applications. This is the only viable option in CMT wells with depth to water over 45 m (150 ft.).