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The perfect state-of-the-art HPLC high-tech pump for all applications and the best price / performance ratio

Different configurations are available covering the range of 0, 5 ul/min up to 230 ml /min  and pressure up to 1034 Bar


Intuitive touchscreen display, USB serial connection, computer GUI and Modbus RTU communication via USB or RS485.


Pump head available in stainless steel, titanium and biocompatible PEEK

Micro, Analytical, UPLC, Semi-Prep, Prep and Flash Prep.


Self-priming pump head Integrated venting / venting for quick solvent changes and self-priming patented floating pump seal, the seal floats with respect to the piston to extend the life of the seal.


Solvent Compression Compensation: The user can choose from a library of 15 solvents.

Same great performance as the 520 series with 30% less floor space.

Accuracy:

Micro: ± 1% or 1 ul/min (Whichever is greater)

Other model : ±1% or 2ul /min

Precision:

Micro: 0,25%  from 0,1 to 4 ml/min @ 20 degree C

Other model : 0,25% from 0,1 to 10 ml/min @ 20 degree C

Pulsation: 1%  Δ P/P  @ 1500 PSI

Dimension: 17.1 x 39.6 x 17.1 cm

Weight: 7.25 kg

Advanced pump performance designed for Prep chromatography

Reliable low cost solution with state-of the art Modbus RTU control

Intuitive Touchscreen display

USB-serial connection

Computer GUI and Modbus RTU communications via USB or RS485

Available in Stainless Steel, Titanium and Biocompatible PEEK

150 mL/min., 250 mL/min., 500 mL/min. and 1,500 mL/min. available

Self-priming Pump Head

Integral prime/purge for rapid solvent changes and self-priming

Solvent Compressibility Compensation : The user can choose from a library of 15 solvents, fourteen additional user-configured solvents are included

Easy Maintenance: All user serviceable components are accessed via the front panel, cartridge seal design makes seal replacement easy.

Model

Flow

Pressure

545-0150HP

0.100 mL/min. - 25 mL/min

690 bar


25 mL/min. - 100 mL/min

413 bar


100 mL/min. - 150 mL/min

275 bar

545-0150

0.100 mL/min. - 100 mL/min

413 bar


100 mL/min. - 150 mL/min

275 bar

545-0250

0.200 mL/min. - 250 mL/min

275 bar

545-0500

 4.00 mL/min. - 500 mL/min

137 bar

545-1500

10 mL/min. - 1500 mL/min

35 bar

ASI 540 Serie HPLC Pump

ASI 541 Serie HPLC Pump

Pulsation: 1% Δ P/P *

Flow Precision: 0.25%, 10 - 100 mL/min.*

Flow Accuracy: ± 100 μL/min. or ±1% of selected flow rate whichever is greater*

Gradient Accuracy: ±1% with aqueous acetone/water, at 5 - 95%, 100 mL/min.*

Wetted Materials: 316 Stainless Steel, PEEK, Titanium, PTFE or UHMW, YSZ Ceramic,

Sapphire & Ruby

*All specifications are under load conditions of 500 PSI & temperature of 20° Celsius.

Dimensions: 11.5” W x 20.75” D x 11.25” H

Weight: 30 Kg.

Power: International AC input 220/240VAC & 50/60Hz

545 pumps are different than 540 pumps in that they are intended to be stand-alone metering

pumps. In order to make gradients a gradient option must be purchased. There are two

options:

  1. Low pressure proportioning valve controller: This includes a separate gradient controller and a proportioning valve assembly that generates a gradient by proportioning the solvents at the inlet of a single pump. The advantage is its simplicity and cost.
  2. Hi pressure gradient controller: this is a separate gradient controller which controls multiple 545 pumps (one pump for each solvent) to generate a high pressure gradient. The advantage of high pressure gradients is their accuracy/precision.

545 Gradient Options

546 Star Pilot Pumps

Optimized durability designed for 24/7 production conditions

Under 5% peak-to-peak pressure pulsations

Intended for Process applications requiring HP metering and accurate fluid flows

Intuitive Touchscreen display

USB-serial connection

Computer GUI and Modbus RTU communications via USB or RS485

Available in Stainless Steel

250 mL/min., 500 mL/min., 1,000 mL/min. and 1,500 mL/min. Pump head  available

Self-priming Pump Head

Integral prime/purge for rapid solvent changes and self-priming

Solvent Compressibility Compensation, can be selected from a library of 15 solvents

Fourteen additional user-configured solvents

Easy Maintenance, all user serviceable components are accessed via the front panel


Model

Flow

Pressure

546-0250HP

2.00 mL/min. - 250 mL/min

690 bar

546-0500

2.00 mL/min. - 500 mL/min

448 bar

546-1000

2.00 mL/min. - 1000 mL/min

310 bar

546-1500

5.00 mL/min. - 1500 mL/min

206 bar

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