Varian ProStar 230 Solvent Delivery Module

Specification

Maximum operating pressure: 6000 psi (410 atmospheres)
Flow range: 0.01 to 10.0 ml/min in 0.01 ml/min steps between 0.00 and 1.00 ml/min and 0.1 ml/min steps between 1.0 and 10.0 ml/min
Flow precision: 0.3% RSD at 1.0 ml/min MeOH/Water
Flow accuracy: ± 0.5% at 1.0 ml/min Isopropanol
Compositional accuracy: ± 0.5% absolute
Compositional precision: ± 0.1% absolute
Pressure pulsation: Less than 2% at 150 atmospheres (1 ml/min with 100% Isopropanol)
Dispensing modes: 1-, 2- or 4-stroke (user selectable)
Mixing: High pressure, static or dynamic mixing modes
Display: 40 character, two-line, backlit LCD
Relay outputs: Six time-programmable external event relays and three synchronization signals: READY, START and FAULT
Relay inputs: Three synchronization signals: READY, START and FAULT
Bus communication: The 220/230/240 Solvent Delivery Systems communicate with the Star Workstation via the IEEE 488 Bus (GPIB)

Item condition used

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