Laboratory peristaltic pumps deliver reliable, contamination-free fluid transfer for precise dosing in chemistry, biology, and environmental testing. The following selections combine robust flow ranges, chemical resistance, and easy maintenance to support diverse lab tasks—from acid and alkali handling to viscous liquids. Each pick is anchored in real-world performance and common lab needs, helping you compare compact benchtop models with higher-flow configurations.
Summary of chosen products:
| Product | Brand | Approximate Flow Range | Power | Tube Material |
|---|---|---|---|---|
| INTLLAB DIY Peristaltic Liquid Pump Dosing Pump | INTLLAB | 5–100 mL/min | AC 100–240V | Not specified |
| Kamoer KPHM400-ST | K KAMOER | 0–400 mL/min | 24V | Nylon body, PharMed BPT tube |
| AC Infinity Peristaltic Dosing Pump | AC Infinity | 21–210 mL/min | DC motor | Unnamed polymer tubing |
| Kamoer M1-STP Intelligent Pump | K KAMOER | 0–88 mL/min | 24V | 3mm ID tube |
| KPA200 Peristaltic Pump | K KAMOER | ≥220 mL/min | 12V | 4.0 mm ID tube |
INTLLAB DIY Peristaltic Liquid Pump Dosing Pump
The INTLLAB pump is designed for aquatic, analytical, and lab dosing tasks, offering a broad flow range from 5 to 100 mL per minute. It supports viscous and non-viscous liquids and uses an adjustable LED indicator to reflect operating speed. The unit operates on universal AC voltage (100–240V), making it adaptable to varied lab environments or field deployments. Its compact form is suitable for benchtop use in small to mid-sized experiments. The device emphasizes straightforward dose delivery with consistent performance across a spectrum of liquids.
Key considerations include pump longevity under continuous use and tube compatibility with the liquids being dispensed. The absence of explicit tube material details in the listing suggests verifying compatibility with your chemistry before long-term deployment. The pump’s simple control scheme is ideal for routine dosing where precise yet moderate flow is required.
Kamoer KPHM400-ST High-Flow Stepper Motor Pump
The KPHM400-ST is a high-flow peristaltic pump driven by a stepper motor, delivering up to 400 mL/min. It features a fixed pump tube design to reduce movement during operation and uses a 24V supply with a compact 304 g package. The pump touts three-rotor rollers and a robust chemical resistance profile, including resistance to acids, alkalis, and oxides. It is designed for lab-scale dosing where higher throughput is essential, such as those handling larger sample volumes or more frequent injections.
Important considerations include motor control and vibration at high flow, as well as tube life under aggressive reagents. While the listing notes good chemical resistance, confirming the compatibility of PharMed BPT tubing with specific solvents remains prudent for reliable, long-term use. This unit is well-suited for routine, higher-volume dosing in analytical or environmental labs.
Kamoer KCPA600 24V Percistaltic Pump High Flow
The KCPA600 offers a flow range of 180–520 mL/min with a 24V DC supply, designed for higher-throughput dosing in laboratories. The pump uses Norprene tubing for chemical resistance and has a fixed-size 4 mm ID x 7.2 mm OD tube. It emphasizes manual speed adjustment with continuous operation capability. The device weighs about 490 g and runs with a brushless motor configuration, aiming to balance performance with durability in demanding lab environments.
Consider whether you need continuous operation during automated cycles and whether the tube material suits your chemical matrix. The manual adjustment approach is straightforward but may require calibration when changing liquids. It is a strong option for labs needing reliable, higher-volume dosing with simple control.
AC Infinity Peristaltic Dosing Pump
The AC Infinity dosing pump provides precise dosing at up to 210 mL/min with 10-level control, enabling exact milliliter-scale dispensing. It is designed for hydroponics, aquariums, and scientific labs where precise pH control or nutrient dosing is critical. The pump is built around a modern DC motor that aims to minimize noise and energy consumption, contributing to a quieter and more efficient lab environment over long runtimes.
When selecting this model, laboratories should verify the compatibility of tubing materials and any potential leachables with their fluids. The explicit 10-level control enables repeatable dosing at defined intervals, which can be advantageous for routine experiments, calibration tasks, or automated workflows where precise increments matter more than raw flow rate.
Kamoer M1-STP Intelligent Peristaltic Pump
The M1-STP is an intelligent, 24V stepper-driven pump featuring a color LCD and multiple operating modes, including time, volume, continuous, and cycle dosing. It supports start/stop, speed regulation, calibration, and external control via a foot switch or similar interface. Flow ranges up to 88 mL/min and a relatively quiet operation at 47 dB make it suitable for precise, programmable dosing tasks in labs and aquariums alike.
Key considerations include software/manual accessibility for setup and calibration, as well as the overall footprint and power draw in a busy benchtop workstation. The 3 mm ID tubing and the included user interface enable controlled, repeatable dosing sequences in experimental setups and educational demonstrations.
Kamoer NKP Low-Flow Peristaltic Pump
The NKP is a compact, 12V DC pump designed for small-dosing applications with a flow rate of at least 70 mL/min. Its design emphasizes easy tube replacement due to snap-in components and the ability to reverse flow. The 3 mm ID x 5 mm OD tubing supports flexible lab tasks where small volumes are necessary, and the device is suitable for aquarium, analytical, or educational lab contexts that require low-power operation and simple maintenance.
When evaluating this model, consider whether the 12V power supply is compatible with your lab’s electrical setup and if the fixed low-flow capability matches your dosing regimen. Its lightweight form factor makes it a flexible option for compact benchtops or portable systems.
Kamoer KPHM600-SW3B17 High-Flow Pump
The KPHM600-SW3B17 delivers up to 600 mL/min with a 12V brush motor design. It features a robust pump head with a 6.4 mm ID x 9.6 mm OD tubing, and a nylon pump head for chemical compatibility. The design targets labs that require substantial throughput while maintaining the reliability of a peristaltic mechanism. Like other high-flow variants, it benefits from a fixed-tube construction to minimize movement during operation and a broad chemical resistance profile.
Potential considerations include motor longevity at high speeds and the practicality of maintaining large-bore tubing in routine experiments. The pump’s high-flow capability supports tasks such as rapid sample dilution, large-volume dosing, or transfer operations in research labs or industrial settings.
Buying Guide: Key Purchase Considerations for Lab Peristaltic Pumps
Application fit: Match flow rate, accuracy, and tubing materials to your liquids, including viscosity, abrasiveness, and chemical compatibility. Higher-throughput models are beneficial for frequent dosing or larger volumes, while lower-flow units excel in precise, repeated nano- to micro-dosing.
Tube material and compatibility: Tubing (e.g., PharMed BPT, Norprene) dictates chemical resistance and lifespan. Confirm compatibility with solvents, acids, bases, and potential leachables for your experiments. Tube life and ease of replacement influence maintenance costs and downtime.
Control and automation: Consider manual knob adjustments, fixed flow presets, or programmable modes (time, volume, continuous, cycle). Intelligent pumps with LCDs and software interfaces can simplify calibration and repeatability in automated workflows.
Power and footprint: Ensure the power requirements align with your lab’s electrical setup and that the device size fits your benchtop layout. Noise level, especially in shared spaces, can impact work conditions during long runs.
Reliability and maintenance: Look for robust motor types (stepper vs. DC brush), rotor design, and ease of cleaning. A pump designed for quick tube changes minimizes downtime. Availability of replacement tubing and spare parts should be considered for ongoing operations.
Application contexts: For hydroponics, aquaculture, or environmental labs, evaluate whether a model’s flow range suits nutrient dosing, sampling, or acid-base adjustments. For analytical labs, repeatability, calibration features, and traceable dosing accuracy may be more critical than maximum flow.
Cost of ownership: While many peristaltic pumps share core functionality, total cost of ownership includes tubing, seals, maintenance, and potential downtime. A slightly higher upfront investment may yield lower long-term operating costs in demanding settings.