Mini Metering Pump LMMP-T2010

Introduction

Mini Metering Pump offers a flow rate range of 0.001 to 10 mL/min. It is a high-pressure solvent delivery pump that provides stable flow for the system. Its compact design handles corrosive liquids, including organic acids, alkalis, and inorganic acids. The pump uses inert materials such as passivated 316 stainless steel, , and to minimize contamination. Our pump is ideal for systems, supporting analytical and semi-preparative applications, ensuring precise, stable, and reproducible chromatography results.

This metering pump is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Our Mini Metering Pump is ideal for systems, supporting analytical and semi-preparative applications, handling corrosive mobile phases, ensuring precise, stable flow, and enabling accurate, reproducible chromatography results.

Specifications

Flow Rate Range	0.001 to 10 mL/min
Delivery System	Double-piston pump with electronic pressure pulsation suppressor
Flow Rate Accuracy	0.5% (1 mL/min, secondary water, room temperature)
Flow Rate Reproducibility	0.2% (1 mL/min, secondary water, room temperature)
Pressure Range	0 to 45 MPa
Control	/232 port, PC control
System Protection	Maximum and minimum pressure setting
Display	2×8
Dimensions (W x H x D)	115 × 110 × 185 mm
Net Weight	2.8 Kg
Gross Weight	3 Kg

Features

display and keypad

Pressure transducer

Run/Stop key

Piston backflushing capillary 

Pump head inlet

FAQs

1. What is the flow rate range of the Mini Metering Pump , and how precise is it?

The Mini Metering Pump offers a highly versatile flow rate range from 0.001 to 10 mL/min, making it suitable for both analytical and semi-preparative applications. Its precision is ensured by a double-piston pump design with an electronic pressure pulsation suppressor, which minimizes pulsation effects and guarantees smooth, stable flow. The flow rate accuracy of the pump is 0.5% at 1 mL/min, using secondary water at room temperature, while flow rate reproducibility is 0.2% under the same conditions. This high degree of control ensures reproducible chromatography results and supports experiments requiring sensitive and consistent mobile phase delivery.

2. What materials are used in the Mini Metering Pump to handle corrosive liquids?

The Mini Metering Pump is specifically engineered to handle corrosive mobile phases, including organic acids, organic alkalis, and inorganic acids. To minimize contamination and ensure system durability, the pump uses inert materials in all areas exposed to liquids, including passivated 316 stainless steel, , and . These materials provide chemical resistance while maintaining the purity of the samples being analyzed. The thoughtful use of high-quality, inert materials reduces the risk of secondary impurities affecting the chromatography, making this pump highly reliable for sensitive laboratory applications such as and other precision liquid delivery processes.

3. Can the Mini Metering Pump be integrated with automated systems or controlled remotely?

Yes, the Mini Metering Pump is designed for seamless integration into automated laboratory systems. It features /232 communication ports, allowing control through a PC or chromatographic workstation. This enables users to program flow rates, start/stop operations, and monitor system performance remotely. Additionally, the pump has built-in maximum and minimum pressure settings for system protection, and the display provides real-time monitoring of operational parameters. Its compatibility with automated setups ensures that users can perform complex and unattended experiments with consistent, precise results.

4. What are the typical applications of the Mini Metering Pump in laboratory settings?

The Mini Metering Pump is ideal for use in systems, supporting both analytical and semi-preparative applications. It is commonly employed in laboratories dealing with pharmaceuticals, biochemistry, food analysis, and chemical research where precise, stable, and reproducible flow is critical. Its ability to handle corrosive mobile phases allows researchers to work with a variety of organic and inorganic solvents without risk of contamination or system degradation. The pump is also suitable for experiments requiring microflow delivery or handling sensitive samples, making it a versatile and indispensable tool for modern chromatography labs.

5. How does the Mini Metering Pump ensure long-term reliability and maintenance ease?

The Mini Metering Pump is designed with durability and low maintenance in mind. Its double-piston pump system and electronic pulsation suppressor reduce mechanical wear, while the use of high-quality inert materials prevents corrosion and contamination. Components such as the piston backflushing capillary and pump head inlet are designed for easy cleaning and maintenance, ensuring consistent performance over time. The compact design and user-friendly interface make monitoring and operation straightforward, reducing the need for frequent technical intervention. Overall, the pump combines robust construction with ease of use to provide reliable and long-lasting service in demanding laboratory environments.