Flow Rate Range
0.001 to 25 ml/min (up to 50 ml/min during column packing)
Flow Rate Accuracy
± 1.2%
Flow Rate Precision
RSD <0.5%
Pressure Range
0 to 20 MPa (2900 psi)
Pressure Limits
Programmable upper and lower
Viscosity Range
0.35 to 10 cP (5 cP above 12.5 ml.min)
Wavelength Range
190 to 700 nm in steps of 1 nm, up to 3 wavelengths
Absorbance Range
-6 to 6 AU
Resolution
0.001 mAU
Wavelength Reproducibility
Linearity
Drift
≤ | 0.2 mAU | AU/h (2 mm cell at 280 nm)
Noise
< 0.08 mAU
Operating Pressure
0 to 2 MPa
Lamp Operating Time
> 5000 hours
Flow Cell
Optical path length: 2 mm
Cell volume: 2 ul
Total volume: 11 ul
Conductivity Range
0.01 to 999.9 mS/cm
Accuracy
± 0.01 mS/cm or ± 2%, whichever is greater (within 0.3 to 300 mS/cm)
0 to 5 MPa
Flow Cell Volume
22 ul
Temperature Monitor Range
0°C to 99°C
Temperature Monitor Accuracy
± 1.5°C within 4°C to 45°C
pH Reading Range
0 to 14
± 0.1 pH unit within pH 2 to 12, temperature within ± 3°C from calibration temperature
0 to 0.5 MPa
76 ul
Number of Fractions
Vessel Types
Fraction Volumes
Spillage-Free Mode
Automatic, Drop Sync, or Accumulator
Flammable Liquids
No
Delay Volume (UV-Dispenser Head)
205 ul, 86 ul with optional tubing kit (i.d. 0.25 mm)
Dimensions (W x D x H)
15.4 x 23 x 12.6 (39 x 58.5 x 32 cm)
Weight
46.3 lb. (21 kg)
< 0.1 mAU
> 10,000 hours
Total volume: 30 ul
Frac-950 Specifications
Max Flow Rate
100 ml/min
pH Stability Range
1 to 13 (1 to 14 with <1 day exposure)
Fraction Size
0.1 to 99999.99 ml (volume mode)
0.1 to 99999.99 min (time mode)
Standard Mode
u-liter plates, DropSync: 0 to 1 ml/min
12 mm rack, DropSync: 0 to 1.5 ml/min
18 and 30 mm racks, DropSync: 0 to 2 ml/min
18 and 30 mm racks, Accumulator: 15 to 100 ml/min
Prep Mode
30 mm rack, Accumulator: 15 to 100 ml/min
Funnel-to-flask, Accumulator: 15 to 100 ml/min
250 ml bottles, Accumulator: 15 to 100 ml/min
Environmental Conditions
+4°C to +40°C
20 to 95% relative humidity
84 to 106 kPa (840 to 1060 mbar) atmospheric pressure
P-900 Specifications
Isocratic mode: 0.001 to 10 ml/min in steps of 10 ul/min
Gradient mode: 0.001 to 10 ml/min in steps of 10 ul/min
Double mode: 0.001 to 20 ml/min in steps of 1 ul/min
0 to 25 MPa (100 bar, 1450 psi)
Viscosity
Max 5 cP
± 2% or 20 ul/min, whichever is greater
Flow Rate Reproducibility
Flow rate ≥ 0.5 ml/min: rsd < 0.5%
Gradient Composition
Accuracy: < ±1% at 0.05 to 10 ml/min
Reproducibility: rsd < 0.25% at 0.5 to 100 ml/min
Pressure Sensor
Range: 0 to 27.5 MPa
Offset error: < 0.05 MPa
Scale error: < ±2%
Total Volume Between Inlet and Outlet
< 800 ul/module
Isocratic mode: 0.01 to 100 ml/min in steps of 10 ul/min
Gradient mode: 0.01 to 100 ml/min in steps of 10 ul/min
Double mode: 0.01 to 200 ml/min in steps of 10 ul/min
0 to 10 MPa (100 bar, 1450 psi)
Isocratic mode: 0.001 to 10 ml/min in steps of 1 ul/min
Gradient mode: 0.001 to 10 ml/min in steps of 1 ul/min
Flow Rate
0.1mL/min to 50mL/min
Maximum Operating Pressure
1 MPa (145 psi)
Tubing ID (Flow Path)
0.75 mm
Single Wavelength Detection
Mercury lamp and 254 and 280 nm filters included. Optional filters for 313, 365, 405, 436, and 546 nm (through manufacturer). Optional zink lamp with 214 nm filter (through manufacturer).
Flow Cell Path Length
2 mm (optional 5 mm through manufacturer)
Buffer Selection
2 inlets
Relative Humidity
20% to 95% (non-condensing)
pH Stability Long Term
2 to 12
Max 10 cP (< 10 ml/min), max 5 cP (>10 ml/min)
Dimensions (W x H x D)
400 x 530 x 250 mm