The following data describe the BT300S speed‑variable intelligent peristaltic pump. This instrument uses a high‑torque stepper servo motor and supports remote control via Lead Fluid APP. All flow values are measured with silicone tubing transferring pure water at room temperature and pressure.Technical SpecificationsModel number: BT300SFlow range: 0.005 to 1750 mL per minute (depends on pump head and tubing)Speed range: 0.1 to 350 rpmSpeed resolution: 0.1 rpm (when speed ≤100 rpm); 1 rpm (when speed >100 rpm)Speed accuracy: < ±0.2%Dispensing range: 0.1 to 999 seconds / minutes / hours / daysDrive motor: high‑quality, high‑torque stepper servo motorControl system: LF‑LCD‑OS software system with high‑definition lattice LCD displayInterface languages: Chinese and English (switchable)Operation keys: industrial membrane keypad, high durabilityPump head compatibility: LF‑EasyChange universal design, supports YZ15, YZ15T, DT15‑24, DT15‑44, YT25 and other high‑performance pump headsStandard pump head channels: single channel (can be configured with multi‑channel heads)Tubing options: 13#, 14#, 19#, 16#, 25#, 17#, 18#, 15#, 24#, 35#, 36#Single channel flow rates per pump head:With YZ15/YZ15T: 0.005‑1495 mL/min (using 13#‑18# tubing)With DT15‑24: 0.067‑1307 mL/min (using 19#,16#,25#,17# tubing)With DT15‑44: 0.067‑770 mL/min (using 19#,16#,25# tubing)With YT25: 0.024‑1750 mL/min (using 14#,16#,15#,24#,35#,36# tubing)External control signal input:Start/Stop: passive contact or external level (5‑24V)Forward/Reverse: passive contact or external level (5‑24V)Speed regulation: analog 0‑5V, 0‑10V, or 4‑20mA (selectable)External control signal output:Start/Stop: level signal (following input voltage)Forward/Reverse: level signal (following input voltage)Communication interface: RS485 with Modbus protocolRemote control: Lead Fluid APP software for start/stop, speed adjustment, timing operation, and real‑time status monitoring (optional)Additional monitoring: stop alarm, pump tube change alert (optional)Housing material: stainless steel 304, resists organic solvents, easy to cleanInternal design: double‑layer isolation with circuit protection for dust, moisture, corrosion, and oxidation resistancePower supply: AC100‑240V, 50/60HzPower consumption: <50 WWorking environment: temperature 0‑40°C, relative humidity <80%IP rating: IP31Dimensions (L × W × H): 261 × 150 × 237 mmWeight: 4.3 kgSpecial functions: slow speed stop and suction (prevents liquid dripping), keyboard lock, state memory (power‑down memory), full speed function, reversible direction, start/stop, adjustable speedTiming and cycle functions: programmable running time, interval time, and cycle timesExternal accessories: optional foot switch, pulse damper, leak detector, external thermal printer (real‑time printing of operation parameters)Key benefits for laboratory and industrial fluid transferThe specifications above translate directly into practical improvements for liquid handling workflows. Each point below connects a feature to a measurable outcome.Exceptional speed accuracy for reproducible flow – The stepper servo motor delivers speed accuracy of <±0.2%. Whether running at 0.1 rpm for micro‑dosing or 350 rpm for high‑speed transfer, the flow rate is consistent across batches. Synthetic reactions receive the same liquid addition every time.Wide flow range from a single pump – With interchangeable pump heads and tubing, the same BT300S delivers as little as 0.005 mL/min for chromatography column packing or up to 1750 mL/min for large‑volume liquid circulation. One instrument serves both research and production.Remote control and real‑time monitoring via APP – The optional Lead Fluid APP software allows an operator to start, stop, adjust speed, and monitor pump status from a smartphone or tablet. A technician can supervise a 24‑hour ultrafiltration run from the next room or from another building.RS485 and Modbus for system integration – The pump connects directly to PLCs, computers, single‑chip microcontrollers, frequency converters, or human‑machine interfaces. A pharmaceutical filling line integrates the BT300S into a central control system. All parameters are accessible and modifiable remotely.Stainless steel 304 housing withstands harsh environments – Many peristaltic pumps use painted or plastic bodies that degrade when exposed to organic solvents or cleaning agents. The 304 stainless steel enclosure resists corrosion. A simple wipe cleans off spills. The double‑layer internal isolation protects electronics from dust and moisture.Programmable timing and dispensing eliminates manual timing – The operator sets running time, interval time, and cycle times. The pump then automatically performs repeated dispensing or timed transfers. A coating process that requires 30 seconds of flow every 5 minutes runs unattended for hours.Common frustrations with peristaltic pumping – and how this instrument solves themPain point: Inconsistent flow rates from batch to batch.Speed drift due to poor motor control ruins reproducibility. The Lead Fluid BT300S intelligent peristaltic pump (a high‑accuracy stepper servo driven unit with ±0.2% speed precision) maintains the same rotational speed regardless of load or voltage fluctuations. A 10 mL addition at 8 AM is identical to a 10 mL addition at 5 PM. Process validation becomes straightforward.Pain point: Cannot integrate the pump into an automated system.Standalone pumps without communication ports force operators to start and stop manually. The same Lead Fluid BT300S intelligent peristaltic pump (with RS485 Modbus and multiple analog control options) accepts 0‑10V, 4‑20mA, and dry contact signals. A PLC sends a 4‑20mA signal to set flow rate. Another contact triggers start/stop. No extra converters, no custom wiring.Pain point: Liquid drips from the tube when the pump stops.After a fast rotation, residual pressure inside the tubing pushes liquid out of the nozzle. The Lead Fluid BT300S intelligent peristaltic pump (featuring slow speed stop and suction function) gradually reduces speed before full stop and then reverses slightly to pull liquid back. No drips on the bench, no wasted reagent, no contamination of collection vessels.Pain point: Operators accidentally change settings during a run.A bumped keypad alters the speed or stops the pump mid‑process. The Lead Fluid BT300S intelligent peristaltic pump (with a keyboard lock function to prevent misoperation) allows the supervisor to lock all keys after starting. The pump runs the programmed sequence without interruption. The lock disables only when intentionally unlocked.Pain point: No record of operation parameters for quality audits.A pharmaceutical or food production line needs documentation of each batch. The Lead Fluid BT300S intelligent peristaltic pump (with an optional external thermal printer for real‑time printing) prints start time, speed, direction, and dispensed volume as the pump runs. The printed slip goes into the batch record. No handwritten logs, no missing entries.Which applications and industries use the BT300SSynthetic chemistry and reaction feeding – The pump adds reagents drop‑wise (0.005‑1 mL/min) or in a fast stream (100‑1000 mL/min) to reaction vessels. The high speed accuracy ensures consistent addition rates for scale‑up from lab to pilot plant.Tangential flow ultrafiltration (TFF) – The pump circulates protein solutions through hollow fiber or cassette membranes. The 0.1‑350 rpm range matches the shear sensitivity of biological samples. The remote monitoring via APP allows overnight TFF runs without staff presence.Chromatography column packing and elution – The pump delivers slurry at low flow rates for column packing, then switches to higher flow for equilibration and elution. The RS485 interface connects to the chromatography data system.Filling and dispensing machines – The pump supports intermittent operation with programmable cycle times. A cosmetics filling line dispenses 50 mL of lotion into 100 bottles per hour. The keyboard lock prevents line operators from altering the set volume.Coating and granulation processes – Seed coating, pharmaceutical granulation, and fiberglass electrostatic agent application require precise liquid addition. The pump handles viscous fluids with the appropriate tubing and pump head.Laboratory reaction vessels and liquid circulation – The pump circulates heating or cooling fluid through jacketed vessels. The reversible direction flushes lines in both directions. The slow stop function prevents siphoning.Physical configuration and daily operationMounting – The pump stands on a bench (261×150×237 mm footprint) or can be mounted on a cart. The 4.3 kg weight allows easy relocation.Pump head installation – The LF‑EasyChange universal design accepts different pump heads without tools. The operator selects YZ15 for general purpose, DT15 for multi‑channel, or YT25 for higher flow. Tubing is inserted into the pump head, and the head snaps onto the motor shaft.Control panel – The high‑definition LCD display shows set speed, actual speed, direction, and timing parameters. Industrial membrane keys are sealed against spills. The interface toggles between Chinese and English.Programming – The operator sets running time (0.1‑999 seconds/minutes/hours/days), interval time, and cycle count. The pump then runs the sequence automatically. The dispensing mode delivers a measured volume each cycle.Remote operation – For APP control, the operator installs Lead Fluid software on a smartphone or tablet. The pump connects via Wi‑Fi or Bluetooth (optional module). The APP shows real‑time speed, flow, and alarm status. Start/stop and speed changes are sent wirelessly.Maintenance and careTubing replacement – The peristaltic pump tube is a consumable. Replace when the wall shows signs of wear or when flow rate drops below specification. The pump head design allows quick change without tools.Cleaning – The stainless steel 304 housing wipes clean with a damp cloth and mild detergent. The pump head can be rinsed with appropriate solvent. The internal electronics are isolated from the fluid path, so no cleaning inside the main body is required.Fuse replacement – The wide voltage design (100‑240V) includes input protection. Refer to the user manual for fuse rating and location.Calibration – Speed accuracy is factory set. For critical applications, the user can calibrate flow rate by measuring actual dispensed volume over time and adjusting the speed setting accordingly. The pump stores calibration parameters.Ordering informationModel BT300S ships as a complete drive unit including:Main pump body with stainless steel 304 housingHigh‑torque stepper servo motorLF‑LCD‑OS control system with LCD displayIndustrial membrane keypadPower cord (AC100‑240V)RS485 communication port (Modbus)User manual and quick start guideThe customer must select and order pump head and tubing separately. Available pump heads:YZ15 / YZ15T (single channel, 0.005‑1495 mL/min)DT15‑24 (4 channels, 0.067‑1307 mL/min total)DT15‑44 (4 channels, 0.067‑770 mL/min total)YT25 (single channel, 0.024‑1750 mL/min)Optional accessories available:Lead Fluid APP remote control moduleExternal thermal printerFoot switchPulse damperLeak detector Download
