Solinst 408M Micro Double Valve Pump Assembly Length:3/8" Pump (PTFE) tubing reels

tubing reels

Organic vapor zeroing kit

and chemical permeation

precision pin-tumbler mechanism and can be keyed alike

converting readings to Specific Conductance

Solinst 408M Micro Double Valve Pump Assembly Length:3/8" Pump (PTFE) tubing reelsThe Solinst 408M Micro Double Valve Pump miniaturizes the same double check valve pumping principle as the 408 into a flexible, coaxial PTFE tubing assembly only 3 8" in overall diameter. A small filter pump body at the intake fitted with a sintered 316 stainless steel 50 micron screen feeds formation water into both an outer annular drive line and an inner 3 16" sample line. Compressed gas cycled down the annulus by a surface control unit closes a