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ReaXus LD Class

Dual-headed, positive displacement piston pumps, delivering unmatched performance for analytical, flash, and small-scale preparative chromatography applications.

ReaXus LD Class

The versatile LD Class consists of dual-headed, positive displacement piston pumps, delivering unmatched performance for analytical, flash, and small-scale preparative chromatography applications. Designed for high flow rate accuracy and low pulsation, the LD Class meets the stringent requirements for Analytical Liquid Chromatography (HPLC).

Standard fluid path materials are Stainless Steel and PEEK, in addition to optional Hastelloy. Moreover, other available features include jacketed heads for temperature-controlled processes. With versions offering flow rates of 12 mL/min, 36 mL/min, and 100 mL/min, and reaching pressures up to 6,000 psi, these pumps meet the demanding performance needs of high-pressure HPLC applications.

In particular, the high-performance linear cams, combined with automatic pressure compensation, ensure precise flow rates for both high-pressure and low-pressure gradients. Standard features also include an integrated Prime-Purge Valve, Pulse Dampener, interactive keypad control, and complete PC control and status monitoring through RS-232 and Micro USB 2.0 ports. The LD Class dual-headed HPLC pump provides the precise flow and low pulsation needed for even the most challenging separations.

Specifications:

Flow Rate Range and Max. Pressure Ratings*	0.0-12.000 mL/min (6,000 psi) 0.0-36.000 mL/min (6,000 psi) 0.0-100.0 mL/min (1,000 psi)
Pulsation**	≤0.5% @ 1 mL/min and 1,000 psi (12 mL) ≤2.0% @ 1 mL/min and 1,000 psi (36 mL) ≤4.0% @ 50 mL/min and 250 psi (100 mL)
Pressure Accuracy	±2.0% of full scale pressure
Flow Precision	0.2% RSD (12 mL) 0.5% RSD (36 mL, 100 mL)
Flow Accuracy	Within 2.0% of set flow rate, 0.20 mL/min and above; 80:20 Water/IPA @ 1,000 psi (12 mL) Within 2.0% of set flow rate, 0.80 mL/min and above; 80:20 Water/IPA @ 1,000 psi (36 mL) Within 2.0% of set flow rate, 2.0 mL/min and above; 80:20 Water/IPA @ 500 psi (100 mL)
Wetted Materials	(See Options on Datasheet), Synthetic Ruby, Sapphire, UHMWPE, PTFE
Dimensions	6.3″ H x 10″ W x 17″ D (16 x 25.4 x 43.2 cm)
Weight	30 lbs. (13.6 kg)
Power	100-240 Vac (±10%), 50-60 Hz
Control	RS-232, Micro USB, Run/Stop, Analog (0-10V, 4-20mA)
Flow Rate is dependent on solvent selection and operating pressure. *Pulsation value with pulse dampener.