manufacturer: Amersham
model: ÄKTA Explorer
The following illustrations and descriptions refer to the instrument model and are drawn from brochures. They do not represent the scope of delivery. Please refer to the text of the offer for the exact scope of delivery.
Technical specifications
Pump P-920
Flow rate range:isocratic mode 0.05–20 ml/min in steps of 10 μl/min
gradient mode 0.1–20 ml/min in steps of 10 μl/min
Pressure range 0–5 MPa (50 bar, 725 psi)
Pressure pulsation Max. 6% (dP/P) during pump stroke
pH stability range 1–13 (1–14 < 1 day exposure)
Viscosity: < 10 ml/min Max. 10cP
> 10 ml/min Max. 5 cP
Flow rate reproducibility
flow rate 0.5–10 ml/min rsd < 0.2%
flow rate 10–20 ml/min rsd < 0.5%
Gradient composition
accuracy between turnings ± 2% at 0.5–5 ml/min and < 5 MPa
accuracy during turnings ± 2% at 0.5–5 ml/min and 0.5–2.0 MPa
reproducibility rsd < 0.5% at 0.5–20 ml/min and < 5 MPa
Leakage < 0.5 μl/min (pump module A and B each)
Monitor UPC-900, UV measurement
Absorbance range 0.01–5.0 AU (full scale)
Autozero range -0.2–2.0 AU
Baseline adjust Adjustable 0–100% of full scale
Wavelengths
Hg lamp, fixed 254 and 280 nm
by changing filter 313, 365, 405, 436 and 546 nm
Zn lamp 214 nm
UV flow cell, 2 mm
Flow rate 0–100 ml/min
Max. pressure 4.0 MPa (40 bar, 580 psi)
Max. back-pressure 0.05 MPa at 100 ml/min
Liquid temperature range +4 to +60 °C
Optical path length 2 mm
Cell volume 2 μl (30 μl detector volume)
UV flow cell, 5 mm
Flow rate 0–20 ml/min
Max. pressure 4.0 MPa (40 bar, 580 psi)
Max. back-pressure 0.02 MPa at 20 ml/min
Optical path length 5 mm
Cell volume 6 μl (10 μl detector volume)
Conductivity measurement
Conductivity range 1 μS/cm to 999.9 mS/cm
Conductivity flow cell
Flow rate 0–100 ml/min
Max. pressure 5 MPa (50 bar, 725 psi)
Max. back-pressure 0.01 MPa at 100 ml/min
pH measurement
pH range 0 to 14
Fraction collector
Refer to the User Manual of the fraction collector used.
Physical data
Degree of protection IP 20
Power requirement 100–120/220–240 V ~, 50–60 Hz
Power consumption 900 VA
Fuse specification T 6.3 AL
Dimensions, H x W x D 380 x 480 x 470 mm
Weight 50 kg
Environment +4 to +40 °C, 10–95% relative humidity (non-condensing), 84–106 kPa (840–1060 mbar atmospheric pressure).
