Products

Optos Series Precision Metering Pumps

High precision piston metering/dosing for stable, repeatable flow in analytical, laboratory
and industrial dosing applications.

What Makes Optos Series Different

The Optos Series is purpose-built for applications where accuracy, consistency, and flow stability matter most. 

Key advantages include:

  • High-precision piston metering for smooth, low-pulse flow
  • Excellent repeatability and flow stability across operating conditions
  • Broad flow-rate and pressure capability within a compact footprint
  • Modular design to support application-specific configurations
  • Proven durability for continuous, long-term operation

By combining precision machining with robust component design, the Optos Series delivers long service life and dependable operation—minimizing downtime and total cost of ownership.

Optos Standard Valves

Optos Series Configuration Options

Flow and Performance: Wide range of flow rates for low-flow and precision dosing applications with high discharge pressure capability for challenging system conditions.

  • 0.001 to 300mL/min
  • Pressure up to 6000psi

Materials of Construction: Multiple pumphead and wetted material options and compatibility with a variety of process fluids.

  • 316 Stainless Steel
  • Hastelloy-C
  • PEEK

Check Valves and Sealing: Standard and specialty check valve configurations, optimized for heated, viscous, or sensitive fluids.

  • PTFE and UWHM piston seal options
  • Sapphire/ruby or ceramic/PEEK check valve options

Typical Applications

Optos Series metering pumps are used across a wide range of precision fluid-handling applications, including:

  • Instrumentation and laboratory systems
  • Analytic and prep scale chromatography
  • Chemical metering and dosing systems
  • Peptide/protein synthesis
  • High pressure reactor injection
  • Flow chemistry
  • Industrial process equipment

These pumps are commonly selected where precise flow control, minimal pulsation, and dependable performance are essential to system accuracy and repeatability.

Accessories and Enhancements

  • HOT HEAD™ heating accessory for temperature-sensitive applications.
  • Pressure transducers for enhanced monitoring and control.
  • Pulsation dampener to minimize flow and pressure fluctuation.

Find the Right Optos® Pump for Your Application

For best pump efficiency, we typically recommend selecting a pump that will operate in the upper half of its flow rate range in the anticipated application. Because the Optos Series includes multiple models and configuration options, selecting the right pump depends on your flow, pressure, and application requirements. Use the Eldex Product Finder to compare models and identify the Optos pump best suited to your system. For assistance with selection or system integration, Eldex application engineers are available.