Optos precision, high pressure metering pump model 1HM: Flow rate 0.01 – 20 mL/min, maximum pressure 3000 psi, material of construction PEEK
- 316 SS – model 1HM
- Hastelloy-C – model 1HMH
Flow Rate* (mL/min): 0.01 – 20
Max. Pressure (psi): 3000
Piston Diameter (in.): 1/4
Piston Stroke (in.): .125
Wetted Parts: PEEK, sapphire, ruby, UHMW polyethylene, inert polymers.
Reproducibility: typically +/-0.3%
Viscosity Limit: 500 centipoise
- 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: 1/4″-28 plastic fitting 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
Dimensions (DxWxH): 28 x 10 x 23.5 cm (11 x 4 x 9.25 in.)
Weight: 5.3 kg (11.75 lbs.)
- 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
#5925: Includes two UHMW polyethylene seals, backup washers, tools for installation, two valve cartridges, one retainer, a filter.
#6010: Piston seal assembly kit; includes one uhmw polyethylene seal, backup washer and tools for installation.
#6011: Piston seal replacement kit; includes two uhmw polyethylene seals.
#6012: Piston seal replacement kit; includes five uhmw polyethylene seals.
#1377: Inlet valve assembly, cartridge style.
#1378: Outlet valve assembly, cartridge style.
#1383: Valve cartridge kit (rebuilds one inlet or one outlet valve).
#5821: 1/4″ sapphire piston.
Liquid End Assembly
#5907: Includes inlet and outlet valve assemblies, cylinder, piston seals and retainer. Piston not included.
#5898: Retainer/wash assembly.
For other parts, consult the factory
Download product brochures and documentation from our Support page.