Teledyne ISCO ReaXus LD Class User Manual
ReaXus LD Class
Dual Piston Pumps for
Low Pulsation Requirements
The versatile LD Class consists of dual-headed, positive
displacement piston pumps, delivering unmatched
performance for analytical, flash, and small-scale
preparative chromatography applications.
With the patented low deadvolume Pulse Dampener, advanced
cam technology, and dual piston
mechanism, the LD Class provides
virtually pulse-free operation.
The pumps are
designed for high
flow rate accuracy
and low pulsation
required for
Analytical Liquid
Chromatography
(HPLC). Standard
fluid path materials are Stainless Steel and Hastelloy.
Other available features include jacketed heads for
temperature controlled processes. With 12 mL/min,
36 mL/min, and 100 mL/min versions, reaching
pressures up to 6,000 psi, these pumps will meet the
performance requirements of demanding HPLC needs.
The high performance linear cams, along with automatic
pressure compensation, provide precise flow rates for
very accurate high pressure and low pressure gradients.
Standard features include an integrated Prime-Purge Valve,
Pulse Dampener, interactive keypad control, and complete
PC control and status through RS-232 and Micro USB
2.0 ports. The LD Class provides the precise flow and low
pulsation for the most challenging separations.
FLOW RATE
12 mL/min
36 mL/min
100 mL/min
PRESSURE
Up To 6,000 psi
(12 mL/min)
FLUID PATH
Stainless Steel, Jacketed Stainless Steel,
Hastelloy, Jacketed Hastelloy
CONTROL
RS-232, Micro USB, Run/Stop, Analog
(0–10V, 4–20mA)
LD CLASS—Specif ications
Flow Rate Range and 0.01–12.000 mL/min (6,000 psi)
Max. Pressure 0.01–36.00 mL/min (6,000 psi)
Ratings* 0.01–100.0 mL/min (1,000 psi)
Pulsation** ≤0.5% @ 1 mL/min and 1,000 psi (12 mL)
≤2% @ 1 mL/min and 1,000 psi (36 mL)
≤4% @ 50 mL/min and 250 psi (100 mL)
Pressure Accuracy ±2% of full scale pressure
Flow Precision 0.2% RSD (12 mL)
0.5% RSD (36 mL, 100 mL)
Flow Accuracy Within 2% of set flow rate, 0.200 mL/min
and above; 80:20 Water/IPA @ 1,000 psi (12 mL)
Within 2% of set flow rate, 0.80 mL/min
and above; 80:20 Water/IPA @ 1,000 psi (36 mL)
Within 2% of set flow rate, 2.0 mL/min and
above; 80:20 Water/IPA @ 500 psi (100 mL)
LD CLASS—Order Numbers
CONSTANT FLOW
STAINLESS STEEL, W/O TEMP JACKET
Stainless Steel Fluid Path; Pressure & Leak Sensors with Pulse Dampener;
Standard Seal (Stainless Steel Energizer); Constant-Flow Control Mode
0.01–12.00 mL/min; 6,000 psi ................................................ # LD012SFT1XFTL
0.01–36.0 mL/min; 6,000 psi ..............................................# LD036SFT1XFTL
0.01–100.0 mL/min; 1,000 psi ............................................# LD100SFT1XFTL
Flow Precision 0.2% RSD
Wetted Materials (See Above Options), 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.
CONSTANT PRESSURE
STAINLESS STEEL, W/O TEMP JACKET
Stainless Steel Fluid Path; Pressure & Leak Sensors with Pulse Dampener;
Standard Seal (Stainless Steel Energizer); Constant-Pressure Control Mode
0.01–12.00 mL/min; 6,000 psi ............................................. # LD012SFT1XPTL
0.01–36.0 mL/min; 6,000 psi ................................................ # LD036SFT1XPTL
0.01–100.0 mL/min; 1,000 psi ............................................. # LD100SFT1XPTL
STAINLESS STEEL, W/TEMP JACKET
Stainless Steel Fluid Path; Temp Jacketed Head; Pressure & Leak Sensors/no
Pulse Dampener; Standard Seal (Stainless Steel Energizer); Constant-Flow
Control Mode
0.01–12.00 mL/min; 6,000 psi ............................................ # LD012JFX1XFTL
0.01–36.0 mL/min; 6,000 psi ................................................ # LD036JFX1XFTL
0.01–100.0 mL/min; 1,000 psi ............................................. # LD100JFX1XFTL
HASTELLOY, W/O TEMP JACKET
Hastelloy Fluid Path; Pressure & Leak Sensors with Pulse Dampener; Standard
Seal (Flouropolymer Energizer); Constant-Flow Control Mode
0.01–12.00 mL/min; 6,000 psi ..........................................# LD012HFT3XFTL
0.01–36.0 mL/min; 6,000 psi ............................................# LD036HFT3XFTL
0.01–100.0 mL/min; 1,000 psi ..........................................# LD100HFT3XFTL
HASTELLOY, W/TEMP JACKET
Hastelloy Fluid Path; Pressure & Leak Sensors with Pulse Dampener; Standard
Seal (Stainless Steel Energizer); Constant-Pressure Control Mode
0.01–12.00 mL/min; 6,000 psi ............................................. # LD012KFT3XFTL
0.01–36.0 mL/min; 6,000 psi ................................................ # LD036KFT3XFTL
0.01–100.0 mL/min; 1,000 psi ............................................. # LD100KFT3XPTL
Teledyne ISCO
P.O. Box 82531, Lincoln, Nebraska, 68501 USA
Toll-free: (800) 228-4373 • Phone: (402) 464-0231 • Fax: (402) 465-3091
teledyneisco.com
Teledyne ISCO is continually improving its products and reserves the right to change product
specifications, replacement parts, schematics, and instructions without notice.
STAINLESS STEEL, W/TEMP JACKET
Stainless Steel Fluid Path; Temp Jacketed Head; Pressure & Leak Sensors / no
Pulse Dampener; Standard Seal (Stainless Steel Energizer); Constant-Pressure
Control Mode
0.01–12.00 mL/min; 6,000 psi ............................................. # LD012JFX1XPTL
0.01–36.0 mL/min; 6,000 psi ................................................ # LD036JFX1XPTL
0.01–100.0 mL/min; 1,000 psi ............................................. # LD100JFX1XPTL
HASTELLOY, W/O TEMP JACKET
Hastelloy Fluid Path; Pressure & Leak Sensors with Pulse Dampener; Standard
Seal (Flouropolymer Energizer); Constant-Pressure Control Mode
0.01–12.00 mL/min; 6,000 psi ............................................. # LD012HFT3XPTL
0.01–36.0 mL/min; 6,000 psi ................................................ # LD036HFT3XPTL
0.01–100.0 mL/min; 1,000 psi ............................................. # LD100HFT3XPTL
HASTELLOY, W/TEMP JACKET
Hastelloy Fluid Path; Temp Jacketed Head; Pressure & Leak Sensors with
Pulse Dampener; Standard Seal (Flouropolymer Energizer); Constant-Pressure
Control Mode
0.01–12.00 mL/min; 6,000 psi ............................................. # LD012KFT3XPTL
0.01–36.0 mL/min; 6,000 psi ................................................ # LD036KFT3XPTL
0.01–100.0 mL/min; 1,000 psi ............................................. # LD100KFT3XPTL
L-7152 Rev 6.0
07/20
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