Category: Chromatography - Liquid/HPLC | Subcategory: Pumps

Agilent 1260 Quaternary Pump VL, Model G1311C

Agilent 1260 Quaternary Pump VL, Model G1311C Image

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Agilent 1260 Quaternary Pump VL, Model G1311C ImageAgilent 1260 Quaternary Pump VL, Model G1311C ImageAgilent 1260 Quaternary Pump VL, Model G1311C ImageAgilent 1260 Quaternary Pump VL, Model G1311C Image

The Agilent Technologies 1260 Quaternary Pump VL, Model G1311C features a vacuum degasser and a four-channel gradient pump. The four-channel gradient pump comprises a high-speed proportioning valve and a pump assembly. It provides gradient generation by low pressure mixing.

Weight32 lbs. (14.5 kg)
Dimensions13.5 x 17 x 7 inches (34.5 x 43.5 18 cm)
Line voltage100 – 240 VAC, ± 10 % Wide-ranging capability
Line frequency50 or 60 Hz, ± 5 %
Power consumption180 VA, 110W / 375 BTU Maximum
Ambient operating temperature4–55 °C (39–131 °F)
Ambient non-operating temperature-40 – 70 °C (-40 – 158 °F)
Humidity< 95 % r.h. at 40 °C (104 °F) Non-condensing
Operating altitudeUp to 2000 m (6562 ft)
Non-operating altitudeUp to 4600 m (15091 ft) For storing the module
Safety standardsIEC, CSA, UL
Installation category II, Pollution degree 2 For indoor use only
Hydraulic systemDual piston in series pump with servo-controlled variable stroke drive,
power transmission by gears and ball screws, floating pistons
Settable flow rangeSet points 0.001 – 10 mL/min, in 0.001 mL/min increments
Flow range0.2 – 10.0 mL/min
Flow precision≤0.07 % RSD, or ≤ 0.02 min SD whatever is greater, based on retention
time at constant room temperature
Flow accuracy± 1 % or 10 µL/min whatever is greater, pumping degassed H2O at
10 MPa (100 bar)
Pressure operating range
Operating range up to 40 MPa (400 bar, 5880 psi) up to 5 mL/min
Operating range up to 20 MPa (200 bar, 2950 psi) up to 10 mL/min
Pressure pulsation< 2 % amplitude (typically < 1.0 %), or < 0.3 MPa (3 bar, 44 psi),
whatever is greater, at 1 mL/min isopropanol, at all pressures > 1 MPa
(10 bar, 145 psi)
User-selectable, based on mobile phase compressibility
Recommended pH
1.0 – 12.5 , solvents with pH < 2.3 should not contain acids which attack stainless steel
Gradient formationLow pressure quaternary mixing/gradient capability using proprietary
high-speed proportioning valve
Delay volume600 – 900 µL, dependent on back pressure; measured with water at
1 mL/min (water/caffeine tracer)
Composition range0 – 95 % or 5 – 100 %, user selectable
Composition precision< 0.2 % RSD or <0.04 min SD, whatever is greater, at 1 mL/min; based
on retention time at constant room temperature
Integrated degassing

Number of channels: 4
Internal volume per channel: 1.5 mL
ControlAgilent control software (e.g. ChemStation, EZChrom, OL, MassHunter)
Local controlAgilent Instant Pilot
Analog outputFor pressure monitoring, 2 mV/bar, one output
CommunicationsController-area network (CAN), RS-232C, APG Remote: ready, start, stop
and shut-down signals, LAN optional
Safety and maintenanceExtensive diagnostics, error detection and display through Agilent
LabAdvisor, leak detection, safe leak handling, leak output signal for
shutdown of the pumping system. Low voltage in major maintenance
GLP featuresEarly maintenance feedback (EMF) for continuous tracking of
instrument usage in terms of seal wear and volume of pumped mobile
phase with pre-defined and user settable limits and feedback
messages. Electronic records of maintenance and errors
HousingAll materials are recyclable

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