{"product_id":"kamoer-khs-sw-s40-12v-brushed-dc-motor-peristaltic-pump","title":"Kamoer KHS-SW-S40 12V brushed DC motor peristaltic pump","description":"\u003cmeta name=\"description\" content=\"Buy Kamoer KHS-SW-S40 12V brushed DC motor peristaltic pump online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eKamoer KHS-SW-S40 12V brushed DC motor peristaltic pump\u003c\/h1\u003e\n\n\u003cp\u003eThe Kamoer KHS-SW-S40 is a precision 12V brushed DC motor-driven peristaltic pump engineered for accurate, pulse-free fluid transfer in laboratory, medical, and industrial automation applications. This compact pump delivers consistent flow rates between 0.5 to 40 mL\/min with minimal pulsation, making it ideal for pharmaceutical dispensing, aquarium dosing, and analytical instrumentation where precision matters. The brushed DC motor provides reliable operation with variable speed control, eliminating the need for external flow regulators in most applications.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe Kamoer KHS-SW-S40 operates on the peristaltic pump principle, where a rotating rotor with rollers sequentially compresses a flexible silicone tube, creating a one-way flow without the fluid contacting internal pump components. This design ensures chemical compatibility with aggressive liquids, eliminates cross-contamination, and requires minimal maintenance. The 12V brushed DC motor provides direct voltage control for speed adjustment, allowing operators to fine-tune flow rates in real-time without additional controllers. The pump head accommodates standard silicone tubing with inner diameter ranging from 1.6mm to 2.4mm, offering flexibility for different viscosity fluids from water-thin solutions to moderate-viscosity reagents.\u003c\/p\u003e\n\n\u003cp\u003eThe S40 model designation indicates a maximum flow capacity of 40 mL\/min at full motor speed, with proportional flow reduction at lower voltages. The brushed motor design delivers consistent torque across the operating range, ensuring reliable performance in temperature-controlled laboratory environments and field installations. Built with corrosion-resistant materials and sealed bearing assemblies, this pump withstands continuous operation in humid conditions and chemical-rich environments. The compact form factor makes it suitable for integration into automated liquid handling systems, environmental monitoring equipment, and medical infusion devices where space constraints exist.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e12V Brushed DC Motor Peristaltic Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKamoer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eKHS-SW-S40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eBrushed DC Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Flow Rate\u003c\/td\u003e\n\u003ctd\u003e40 mL\/min at full speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Range\u003c\/td\u003e\n\u003ctd\u003e0.5 to 40 mL\/min variable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing Compatibility\u003c\/td\u003e\n\u003ctd\u003eSilicone tube ID 1.6mm to 2.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e0.5 bar maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulsation\u003c\/td\u003e\n\u003ctd\u003eLess than 3 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e5 to 40 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eBrushed DC motor with variable speed control for proportional flow adjustment from 0.5 to 40 mL\/min without external regulators\u003c\/li\u003e\n\u003cli\u003ePeristaltic pump design eliminates fluid contact with internal components, ensuring chemical compatibility with aggressive reagents and pharmaceutical compounds\u003c\/li\u003e\n\u003cli\u003eLow pulsation output below 3 percent, critical for precision analytical applications requiring stable baseline measurements\u003c\/li\u003e\n\u003cli\u003eCompact modular design with quick-change tubing cartridge system for rapid maintenance and tubing replacement\u003c\/li\u003e\n\u003cli\u003e12V DC direct operation with simple two-wire connection, compatible with battery power, laboratory power supplies, and automotive electrical systems\u003c\/li\u003e\n\u003cli\u003eSealed bearing assemblies and corrosion-resistant materials for reliable performance in humid laboratory and industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003ePharmaceutical and chemical laboratories for precise reagent dispensing in automated analytical instruments and liquid chromatography sample preparation systems\u003c\/li\u003e\n\u003cli\u003eMedical and laboratory equipment such as automated blood analyzers, immunoassay systems, and diagnostic analyzers requiring accurate microliter-level fluid transfer\u003c\/li\u003e\n\u003cli\u003eAquarium and hydroponics systems for nutrient dosing and water treatment chemical injection with programmable timing and adjustable flow rates\u003c\/li\u003e\n\u003cli\u003eEnvironmental monitoring equipment for water quality testing, where peristaltic pumps prevent contamination of sensitive samples and reagents\u003c\/li\u003e\n\u003cli\u003eIndustrial automation and process control for chemical injection in manufacturing, wastewater treatment, and food processing applications\u003c\/li\u003e\n\u003cli\u003eResearch laboratories for cell culture media perfusion, bioreactor nutrient feeding, and continuous sampling applications requiring pulse-free flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eInstallation begins with selecting appropriate silicone tubing with inner diameter between 1.6mm and 2.4mm, inserting it into the pump head cartridge until fully seated. Connect the two motor leads to your 12V DC power source, ensuring correct polarity for forward flow direction. For variable speed operation, connect the positive lead through a PWM controller or variable voltage supply rather than directly to the power source. Prime the tubing by running the pump for 10-15 seconds at low speed to remove air pockets before connecting to your application system. Verify smooth rotation without grinding sounds, which would indicate improper tubing seating or internal debris.\u003c\/p\u003e\n\n\u003cp\u003eDuring operation, monitor the tubing for signs of wear or degradation, as silicone tubes degrade with exposure to certain chemicals and UV light. Replace tubing every 3-6 months depending on chemical exposure and continuous operation hours. For applications requiring precise flow rates, calibrate the pump by measuring actual output volume at your intended operating voltage over a fixed time period, then adjust voltage accordingly. Maintain the pump in a temperature-controlled environment between 5 and 40 degrees Celsius to ensure consistent motor performance and prevent thermal drift in flow rate accuracy. Clean the pump head exterior with a damp cloth after use, and store with the tubing removed to prevent permanent compression set in the silicone.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between peristaltic and centrifugal pump designs for laboratory applications?\u003c\/summary\u003e\n\u003cp\u003ePeristaltic pumps like the KHS-SW-S40 compress tubing sequentially to move fluid without internal contact, making them ideal for aggressive chemicals, sterile applications, and low-pulsation requirements. Centrifugal pumps use rotating impellers and require internal seals, limiting chemical compatibility and producing higher pulsation unsuitable for precision analytical work. Peristaltic pumps excel in laboratory settings where sample integrity and chemical compatibility are critical, while centrifugal pumps are better for high-volume, low-precision applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I use the KHS-SW-S40 with thick or viscous fluids?\u003c\/summary\u003e\n\u003cp\u003eThe KHS-SW-S40 is rated for fluids up to moderate viscosity with a maximum pressure rating of 0.5 bar. For highly viscous fluids like glycerin or oils, flow rate will decrease significantly and motor torque requirements increase, potentially reducing motor lifespan. Test your specific fluid at low speed first to verify adequate performance. For viscous fluids exceeding 500 cP, consider larger tubing diameters or dedicated high-viscosity pump models with higher pressure ratings.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I control the flow rate precisely without a PWM controller?\u003c\/summary\u003e\n\u003cp\u003eThe KHS-SW-S40 flow rate is directly proportional to motor speed, which is proportional to applied voltage. Using a variable DC power supply, you can adjust voltage from 0 to 12V to achieve proportional flow rate changes. For example, 6V typically delivers approximately 20 mL\/min, while 3V delivers approximately 10 mL\/min. Calibrate your specific pump at your intended operating voltages by measuring actual output over a fixed time period, then create a voltage-to-flow-rate lookup table for your application.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat tubing materials are compatible with the pump?\u003c\/summary\u003e\n\u003cp\u003eThe KHS-SW-S40 is designed for silicone tubing with inner diameters from 1.6mm to 2.4mm. Silicone is chemically inert and compatible with most laboratory reagents, pharmaceuticals, and aqueous solutions. For specialized applications with aggressive solvents like toluene or acetone, verify silicone compatibility first. Do not use PVC or latex tubing, as they degrade rapidly with the peristaltic compression action and may leach plasticizers into your fluid.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Tech Depot\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy Kamoer KHS-SW-S40 12V brushed DC motor peristaltic pump Online in India\u003c\/h2\u003e\n\n\u003cp\u003ePurchase the \u003cstrong\u003eKamoer KHS-SW-S40 12V brushed DC motor peristaltic pump\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eKamoer KHS-SW-S40 12V brushed DC motor peristaltic pump\u003c\/strong\u003e with fast shipping and expert support.\u003c\/p\u003e\n\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48742495912193,"sku":"TTD-5676","price":2162.93,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/46041be657044b94486054a61bf18804.jpg?v=1778028707","url":"https:\/\/techdepot.in\/products\/kamoer-khs-sw-s40-12v-brushed-dc-motor-peristaltic-pump","provider":"Tech Depot India","version":"1.0","type":"link"}