2LM

Optos precision, high pressure metering pump model 2LM:

• Flow rate 0.003 – 5 mL/min
• Maximum pressure 6000 psi
• Material of construction 316SS

Other models:

• Model 2LMP incorporates a Plus feature into the standard design – an integrated pulse damper/pressure transducer that reduces flow pulsation and allows for pressure monitoring capabilities.

Flow Rate* (mL/min): 0.003 – 5

Max. Pressure (psi): 6000

Piston Diameter (in.): 3/32

Piston Stroke (in.): .250

Wetted Parts: type 316 stainless steel, sapphire, ruby, graphite fiber reinforced PTFE, CTFE.

Reproducibility: typically +/-0.3%

Viscosity Limit: 500 centipoise

Tubing Connections:

• Inlet valves: 1/4″-28 low pressure plastic fitting for use with 1/8″ plastic tubing (fitting and 60cm of tubing provided with pump).
• Outlet valves: 10-32 tube nut, ferrule for use with 1/16″ tubing (tube nut and ferrule provided with pump).
• Valves with special fittings available on request.

Remote Control Options:

• Voltage: 0-5VDC
• Current Loop: 4-20 mA
• RS232

Dimensions (DxWxH): 28 x 10 x 23.5 cm (11 x 4 x 9.25 in.)

Weight: 5.3 kg (11.75 lbs.)

Electrical:

• Voltage/Frequency: 100-230VAC (?10%); 50/60Hz
• VA rating: 80
• Fuse: 0.8 A

*Maximum flow rate specifications are based on theoretical volume displacement; actual flow rates will vary depending on such factors as fluid viscosity, compressibility and temperature.

Preventive Maintenance Kits

#5918: Includes two graphite fiber reinforced PTFE piston seals, tools for installation, two valve cartridges, one retainer, a sintered stainless steel filter.

Piston Seals

#5911: Piston seal assembly kit; includes one graphite fiber reinforced PTFE seal, and tools for installation.

#5912: Piston seal replacement kit; includes two graphite fiber reinforced PTFE seals.

#5913: Piston seal replacement kit; includes five graphite fiber reinforced PTFE seals.

Valves

#1369: Inlet valve assembly, cartridge style, 1/4″-28 fitting.

#1372: Outlet valve assembly, cartridge style, 10-32 fitting.

#1373: Inlet valve assembly, cartridge style, 1/8″ Swagelok style fitting.

#1374: Outlet valve assembly, cartridge style, 1/8″ Swagelok style fitting.

#1371: Inlet valve assembly, cartridge style, 10-32 fitting.

#1370: Outlet valve assembly, cartridge style, 1/4″-28 fitting.

#1381: Valve cartridge kit (rebuilds one inlet or one outlet valve).

Piston

#5819: 3/32″ sapphire piston.

Liquid End Assembly

#5902: Includes inlet and outlet valve assemblies, cylinder, piston seals and retainer. Piston not included.

Fittings

#5988: Includes 60 cm of 1/8″ Teflon inlet tubing, inlet (1/4-28) and outlet (10-32) tube nuts, and outlet ferrule.

Filters

#5776: 10 micron sintered stainless steel filter, with 60 cm long Teflon inlet tube and tube nut.

Other Parts

#5899: Retainer/wash assembly.

For other parts, consult factory

Download product brochures and documentation from our Support page.