Agilent 1260 Series G1376A Cap Pump
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The Agilent 1260 Infinity G1376A Capillary Pump’s low flow pumps consist of two identical pumping units in a single housing. They generate gradients by high-pressure mixing. A solvent selection valve provides flexibility in the choice of solvents.
Mobile phase composition is produced by mixing the outputs of pumphead A and B. The solvent selection valve allows the pumphead A output to originate from either channel A1 or channel A2. The pumphead B output may originate from either channel B1 or channel B2.
In order to deliver fast gradients over the whole composition range, the two pumpheads deliver a primary flow of 200 – 1100 μL/min from which a mass flow sensor controlled electromagnetic proportioning valve (EMPV) splits the set column flow. Excessive solvent is diverted to waste. This electronic flow control automatically compensates for changes in solvent properties and backpressure throughout a run.
S/N: DEAAG00189
Specifications:
| Type | Specifications |
|---|---|
| Hydraulic system | Two independent pump channels, each with two pistons in series. One proprietary servo-controlled variable stroke drive per channel. Floating pistons, active inlet valves, solvent selection valves (two solvents per pump channel), electronic flow control for flow rates up to 100 μL/min |
| Settable column flow range | 0.01 – 20 μL/min
0.01 – 100 μL/min (with the extended flow range kit) 0.001 – 2.5 μL/min (with the electronic flow control bypassed) |
| Recommended column flow range | 1 – 20 μL/min
10 – 100 μL/min (with extended flow range kit) 0.1 – 2.5 mL/min (with the electronic flow sensor bypassed) |
| Column flow precision | < 0.7 % RSD or 0.03 % SD (typically 0.4 % RSD or 0.02 % SD), at 10 μL/min and 50 μL/min column flow (based on RT, default setting) |
| Optimum composition range | 1 – 99 % or 5 μL/min per channel (primary flow), whatever is greater |
| Composition precision | < 0.2 % SD, at 10 μL/min(20 μL flow sensor), 50 μL/min (100 μL flow sensor), minimum primary flow/pump channel is 5 μL/min, primary flow 500 – 800 μL/min |
| Delay volume | Typically 3 μL from the electronic flow control to the pump outlet for flow rates up to 20 μL/min
Typically 12 μL from the electronic flow control to the pump outlet for flow rates up to 100 μL/min For flow rates up to 100 μL/min and electronic flow control active: primary flow path 180 – 480 μL without mixer, 600 – 900 μL with mixer (system pressure dependant) Typically 180 – 480 μL (system pressure dependent) without mixer for flow rates up to 2.5 mL/min (Mixer delay volume 420 μL) |
| Pressure range | 20 – 400 bar (5880 psi) system pressure |
| Compressibility compensation | User-selectable, based on mobile phase compressibility |
| Recommended pH range | 1.0 – 8.5 , solvents with pH < 2.3 should not contain acids which attack stainless steel. Upper pH range is limited by fused silica capillaries. |
| Control and data evaluation | Agilent Control Software (Chemstation, EZ-Chrom, OL, etc.) |
| Analog output | For pressure monitoring, 2 mV/bar, one output |
| Communications | Controller-area network (CAN), RS-232C, APG Remote: ready, start, stop and shut-down signals, LAN optional |
| Safety and maintenance | Extensive diagnostics, error detection and display (though Instant Pilot and Data System), leak detection, safe leak handling, leak output signal for shutdown of pumping system. Low voltages in major maintenance areas. |
| GLP features | Early maintenance feedback (EMF) for continuous tracking of instrument usage in terms of seal wear and volume of pumped mobile phase with user-settable limits and feedback messages.
Electronic records of maintenance and errors. |
| Housing | All materials recyclable. |
| Dimensions | 180mm x345mm x435mm |
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