Particulate contamination Universal Manifold with Controller and vacuum/blower. Collects data from up to 32 locations via multiplexed monitoring. Performs user programmable data sampling and alarms when low flow conditions occur. Shorter purge time increases your number of samples per day. Controller: 100-240V, 50/60 Hz, CE. Pump/Blower: 200-480V, 50/60 Hz.