○ Small scale(Avant)
1) System pump (Piston pump)
- Flow rate : 0.01 ~ 150ml/min (Normal range)
0.01 ~ 300ml/min (Column packing flow)
- Pressure range : 0 ~ 5MPa (0 ~ 725psi)
- Viscosity range : 0.35 ~ 5.0cP
- Flow rate specifications : Accuracy ± 1.5%
Precision : RSD < 0.5% (1 ~ 150ml/min, < 3MPa,
0.8 ~ 2cP)

2) Sample pump (Piston pump)
- Flow rate : 0.01 ~ 150ml/min
- Pressure range : 0 ~ 5MPa (0 ~ 725psi)
- Viscosity range : 0.7 ~ 10cP
- Flow rate specifications : Accuracy ± 2%
Precision : RSD < 0.5% (1 ~ 150ml/min, < 3MPa, 0.8 ~ 3cP)

3) Gradient mixer (Chamber with magnetic stirrer)
- Mixer volume : 1.4, 5(Default), 15ml
- Gradient flow rate range : 1 ~ 150ml/min (Binary)
- Gradient composition accuracy : ± 0.6% (Binary), ± 1.0% (Quaternary)
(Conditions : 5 ~ 95% B, 2 ~ 150ml/min, 0.2 ~ 2MPa, 0.8 ~ 2cP)

4) Valve (Rotary type)
- Buffer inlet valve : 7 Positions, expandable to 14
- Sample inlet valve : 7 Positions, expandable to 14
- Injection valve
⸱ Sample loading : Fixed sample loops, sample loading pump
- Column valve : Connects up to 5 columns, column switching, bypass, reverse flow
- Outlet valve : 10 Positions, expandable to 32

5) UV and UV/Vis detectors
- Multi-wavelength : 190 ~ 700nm in steps of 1nm, up to 3 wavelengths simultaneously
- Absorbance range : -6 ~ 6Au
- Linearity : 0 ~ 2Au within ±2%
- Drift : ≤0.2mAu(2mm cell at 280nm)
- Noise : <0.08mAu

6) Pressure sensor
- Number of sensors : 4 (After system pump, after sample pump,
pre-column valve, post-column valve)
- Pressure reading range : 0 ~ 5MPa(0 ~ 725psi)
- Accuracy : ±0.015MPa

7) Conductivity monitor
- Conductivity range : 0.01 ~ 999.99mS/cm
- Accuracy : ±2%
- Operating pressure : 0 ~ 5MPa(0 ~ 725psi)
- Flow cell volume : 22μl
- Temperature reading range : 0 ~ 99℃
- Temperature reading accuracy : ±1.5% within 4 ~ 45℃

8) pH monitor
- pH reading range : 0 ~ 14
- Accuracy : ±0.1 pH unit
- Operating pressure : 0 ~ 0.5MPa(0 ~ 73psi)
- Flow cell volume : 129μl

9) Fraction collector
- Rack type : Well plate, tube, bottle
⸱ 96, 48, 24 well plate
⸱ 3, 8, 15, 50ml tubes
⸱ 250ml bottle
- Fraction volume : 0.1 ~ 250ml
- Delay volume : 1807㎕

10) System software : Unicorn 7 Workstation (Include of DoE program)
- 21CFR11 compliance