Water/wastewater
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The Model 464 Electronic Pump Control Unit from Solinst (Canada) is available in 125 psi and 250 psi versions. It uses 4 AA batteries lasting 100 hours of normal use. It is fully automatic with preset sample modes and saves 99 user-created flow rates. It operates manually if your batteries run out. Provides faster purge rates and low flow control to ensure a representative groundwater sample with pneumatic pumps.
IET 36.5 Sept/Oct 2026
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