LAR 501-40-000215 Peristaltic Pump 5-Channel 24VAC 10RPM
Overview
The LAR 501-40-000215 Peristaltic Pump 5-Channel 24VAC 10RPM is the hydrodynamic heart of advanced water quality monitoring systems manufactured by LAR Process Analysers. In sophisticated analytical instruments such as the QuickTOCuv and QuickCOD, the precise movement and mixing of multiple fluids—including the raw water sample, carrier liquids, calibration standards, and highly reactive oxidation reagents—are critical to the accuracy of the final measurement. This heavy-duty, 5-channel peristaltic pump provides perfectly synchronized, volumetric dosing across all required fluid lines simultaneously, eliminating cross-contamination and flow-rate discrepancies.
Seven Star LLC operates as a premier specialized technical supplier, commercial vendor, and professional B2B procurement consultant dedicated to supporting the vast industrial sectors across the Sultanate of Oman, Muscat, and the GCC. By supplying authentic LAR Process Analysers fluidic components like the LAR 501-40-000215, we empower instrumentation and control (I&C) engineers to maintain their continuous emissions monitoring systems (CEMS) and water quality analyzers at peak operational readiness, securing environmental compliance and protecting costly plant infrastructure.
Measurement Principle: Precision Fluidic Delivery
Analytical methods such as UV-persulfate oxidation and high-temperature catalytic combustion require strict adherence to specific volumetric ratios between the sample and the reagents. The accuracy of a Total Organic Carbon (TOC) measurement is mathematically dependent on the assumption that exactly X milliliters of sample were mixed with exactly Y milliliters of acid and persulfate. If the pumping mechanism drifts, leaks, or pumps at uneven rates, the entire analytical calculation is compromised.
The LAR 501-40-000215 Peristaltic Pump solves this through positive displacement technology. A central rotor equipped with precision-machined rollers continuously compresses and releases highly resilient polymeric tubing. Because the fluid never touches any moving mechanical parts—only the inside of the tubing—there is zero risk of pump corrosion from harsh acids or sample contamination from metallic pump components. Operating at a steady, geared-down speed of 10 Revolutions Per Minute (RPM), the pump ensures an ultra-smooth, pulsation-free delivery of fluids, which is essential for maintaining a stable baseline signal in the analyzer’s downstream NDIR detector.
Engineering Design of the LAR 501-40-000215
The mechanical engineering behind the LAR 501-40-000215 is focused entirely on continuous-duty industrial reliability. The pump features a robust 24V Alternating Current (VAC) synchronous motor that provides constant torque, completely immune to the minor voltage fluctuations frequently encountered in heavy industrial plants. The 5-channel pump head allows for the simultaneous transport of up to five distinct fluid streams. Each channel features individually adjustable tensioners or precision-set roller gaps to accommodate different tubing diameters, allowing the analyzer to pump high-volume carrier fluids alongside micro-volume reagents using the exact same rotor rotation.
The housing is constructed from chemically resistant, industrial-grade polymers and metallic alloys designed to withstand the harsh, corrosive atmospheres often present inside analyzer cabinets. Furthermore, the pump head is engineered for rapid, tool-less tubing replacement. Maintenance technicians operating in the demanding environments of the Sohar and Salalah industrial zones can effortlessly unclip the cassette, replace the peristaltic tubing, and lock it back into place in seconds, ensuring that analyzer downtime during routine preventative maintenance is kept to an absolute minimum.
Key Features
The LAR 501-40-000215 Peristaltic Pump delivers critical fluidic stability through a comprehensive set of features:
- High-precision 5-channel design for simultaneous, synchronized dosing of multiple analytical fluids.
- Reliable 24VAC synchronous motor operating at a steady 10 RPM for smooth, low-pulsation fluid delivery.
- Zero cross-contamination positive displacement technology—fluid only contacts the disposable tubing.
- Direct OEM replacement for LAR Process Analysers, ensuring perfect electrical and volumetric compatibility.
- Tool-less tube loading mechanism for rapid, straightforward maintenance and consumable replacement.
- Chemically resistant rotor and housing materials capable of surviving harsh acidic and basic reagent spills.
- Self-priming capability with excellent suction lift, preventing vapor lock in critical reagent lines.
- Ability to run dry without damage, protecting the system if sample or reagent reservoirs are unexpectedly depleted.
Industrial Applications
Within the process industries of Oman and the GCC, continuous water quality analyzers are the first line of defense against catastrophic process failures. The LAR 501-40-000215 is deployed extensively in petrochemical refineries to monitor boiler feed water. If the TOC analyzer’s pump fails to deliver the correct amount of acid to strip inorganic carbon (TIC) from the sample, the analyzer will falsely report a high TOC spike, potentially triggering unnecessary and highly expensive boiler blowdowns.
Similarly, in the massive desalination plants and municipal wastewater treatment facilities in Muscat and the surrounding regions, continuous operation is mandatory. These facilities rely on the rugged dependability of LAR Process Analysers. By sourcing genuine replacement pumps through the independent commercial network of Seven Star LLC, plant managers ensure that their analytical infrastructure maintains continuous uptime, meeting stringent governmental regulations and protecting downstream public water networks.
Technical Specifications
The table below summarizes the critical technical parameters of the LAR 501-40-000215 Peristaltic Pump:
| Parameter | Specification |
|---|---|
| Model / Part Number | 501-40-000215 |
| Component Type | Multi-Channel Peristaltic Dosing Pump |
| Brand | LAR Process Analysers (Process Insights) |
| Number of Channels | 5 Independent Fluid Channels |
| Operating Voltage | 24V AC (Alternating Current) |
| Rotational Speed | 10 RPM (Revolutions Per Minute) |
| Pump Technology | Positive Displacement / Roller Compression |
| Application | Sample and reagent dosing for TOC/COD analyzers |
| Compatibility | LAR QuickTOCuv, QuickCOD, and related models |
| Country of Origin | Germany |
Request a Quote for LAR 501-40-000215 Peristaltic Pump 5-Channel 24VAC 10RPM
Maintain the volumetric precision and reliability of your online water analyzers. To submit a Request for Quote (RFQ), check current regional inventory, or confirm specific model compatibilities for the LAR 501-40-000215 Peristaltic Pump 5-Channel, please contact the dedicated technical sales team at Seven Star LLC. As your specialized B2B procurement partner for LAR Process Analysers in Oman and the GCC, we provide rapid commercial sourcing and expert logistical support to keep your critical industrial processes running flawlessly.
Other Models in the LAR Process Analysers TOC Spare Parts Range
Seven Star LLC supplies models from the LAR Process Analysers TOC Spare Parts range in Oman and the GCC. Compare the related models below and request a quote for the one that matches your application.
| Model | Category | |
|---|---|---|
| LAR 501-08-000045 Gas Drying Tube for Carrier TOCUV1A0 – Long | Liquid Analytical Accessories | View details |
| LAR 501-40-000159 UV Emitter Low Pressure 15W Ozone Free Tubular | Liquid Analytical Accessories | View details |
| LAR 501-40-000215 Peristaltic Pump 5-Channel 24VAC 10RPM | Liquid Analytical Accessories | You are viewing this model |
| LAR 501-40-000106 Glass Reactor for UV Method (Old P/N: 501-04-000021) | Liquid Analytical Accessories | View details |
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LAR analyzer spare parts listed here
The four listed items are parts for the UV persulfate oxidation analyzer type, the QuickTOCuv: a glass reactor for the UV method (501-40-000106, formerly 501-04-000021), a low-pressure 15 W ozone-free UV emitter (501-40-000159), a five-channel peristaltic pump (501-40-000215) and a gas drying tube for the carrier gas path (501-08-000045). All of them are wear or consumable parts replaced during routine upkeep.Ordering LAR parts: what we need
Send the LAR part number in the 501-xx-xxxxxx format, and the old number as well if your manual shows one. Add the analyzer type and serial number from the type plate, because the QuickTOCuv, QuickTOCultra and other models use different reactors, pumps and tubing. A photo of the old part and the manual's spare parts page speed up the check. We supply these parts to water, power and petrochemical sites across the GCC.Browse LAR Process Analysers products by category: Liquid Analytical Accessories.

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