1Adjustable stroke frequency and the flexibility of up to 1000:1 turndown ratioManually adjustable stroke length provides accurate pump output adjustment 2NEMA 4X / IP65 enclosures for protection against corrosive environmentsTime tested electronics for reliable, repeatable performance 3Totally encapsulated electronics for protection against moisture and corrosive conditionsPriming valves with Flourofilm diaphragms and ramp style knobs for "hands free" primingUse general power 115-230v, drive platform 4maximum flow up to 7.57l /H(2GPH), maximum pressure up to 30.6bar(450PSI)simplified flow control with constant stroke length to maintain calibration within adjustable range. Advanced electronic 5 compensation for temperature and voltage conditionsFastPrime hydraulic end (standard), can be integrated discharge valve fast easy for perfusion(optional), AutoPrime hydraulicend, specially designed for degassing liquidon performance specifications, Manufacturer: HIJYMNZPQ