Pump Options
Isocratic pump (350D): electrically-actuated valves, 300 nL/min to 50 µL/min, 30 MPa (300 bars, 4,350 psi), micro degasser
Gradient pumping system (350D + 350 + gradient pumping kit): electrically-actuated valves, 300 nL/min to 50 µL/min, 30 MPa (300 bars, 4,350 psi)
Pump Heads
Micro E head
Number of Solvents/Pump
One
Flow Rate
Gradient: 0.3–50 µL/min (4,350 psi)
Isocratic: 0.15–50 µL/min (4,350 psi)
Selectable units: nL/min or µL/min
Adjustment increment: 0.01 µL/min
Accuracy: <±1% (5–50 µL/min)
Repeatability: <0.5% for 5–50 µL/min; <1% for 0.5–5 µL/min
Composition and Mixing
Adjustment increment: 0.1% B for 1–50 µL/min; 1% B below 1 µL/min
Dwell volume/Effective mixing volume: 60 nL (up to 5 µL/min); 3 µL (above 5 µL/min)
Gradient linearity range: 2% at 1% B; 97% at 100% B
Accuracy: ±1%
Repeatability: <1% RSD
Pressure
Operating range: 0 MPa–30 MPa (300 bar, 4,350 psi)
Accuracy: <±1% or 0.1 MPa (1 bar, 15 psi)
Repeatability: <1% or 0.1 MPa (1 bar, 15 psi)
Pump Volume
37.8 µL (from inlet of inlet valve to outlet of outlet valve)
Piston Stroke Volume
39.4 µL
Software
UniPoint™ System Software via 506C interface
Communication Interface
Nine-pin GSIOC socket, three input and four output contact closures
Front Panel
Green POWER, yellow ON, and yellow REMOTE LED indicators; ON/OFF soft key
Liquid Contact Materials
316L stainless steel, titanium, hastelloy, zirconium, FEP, PTFE, PCTFE, ETFE, PEEK, and UHMWPE
Power Requirements
Frequency: 50–60 Hz
Voltage: 100–120 or 220–240V; mains voltage fluctuations not to exceed ±10% of the nominal voltage
Environmental Operating Temperature
4–40°C
Manufacturing Standards
Meets applicable Safety and EMC certification standards; UL and CE certified
Dimensions (w x d x h)
26 x 34 x 30 cm (10 x 13 x 12 in.)
Instrument Weight
350: 13.5 kg (30 lbs.)
350D: 15 kg (33 lbs.)
Shipping Weight
350: 18.5 kg (41 lbs.)
350D: 20 kg (44 lbs.)
