Chuding BT101S Programmable Peristaltic Pump with YZ15/DG Series Pump Heads

Overview

The Chuding BT101S is a precision-engineered programmable peristaltic pump designed for laboratory, bioprocessing, and industrial fluid handling applications requiring repeatable, contamination-free liquid transfer. Based on the positive displacement principle of peristalsis—where rollers compress flexible tubing to generate flow—the BT101S delivers highly consistent volumetric delivery without contact between the pump mechanism and the fluid path. This eliminates risk of cross-contamination, simplifies cleaning validation, and supports operation with aggressive or shear-sensitive media including cell cultures, reagents, buffers, and pharmaceutical formulations. Its modular architecture enables seamless integration with YZ15 and DG-series pump heads (DG6-1, DG10-1, DG6-2, DG10-2, DG6-4, DG10-4), accommodating single- to quad-channel configurations and a broad range of tubing inner diameters (ID ≤ 3.17 mm). With a calibrated flow range spanning four orders of magnitude—from 0.00011 mL/min up to 575 mL/min—and sub-percent accuracy (<0.5% flow error), the BT101S serves as a reliable core component in automated sampling systems, chromatography feed lines, fermentation nutrient dosing, and continuous analytical workflows.

Key Features

• Four-digit LED display showing real-time speed (rpm) and operational status (RUN/STOP, FORWARD/REVERSE, FULL SPEED, DISPENSE)
• Dual-layer isolated internal layout with conformal coating (triple-layer moisture/dust protection) applied to PCBs for enhanced reliability in humid or particulate-laden environments
• High-torque motor drive supporting interchangeable pump heads—including YZ15 (13#, 14#, 16#, 19#, 25#, 17#, 18#) and DG series (6- and 10-roller variants)—enabling scalable flow capacity and multi-channel parallel operation
• Programmable dispensing function via dedicated “Simple Dispense” key: supports time-based or volume-based repeat dosing with automatic stop and memory retention across power cycles
• Wide input voltage tolerance (AC 220 V ±10% or AC 110 V ±10%) and robust EMI immunity—validated under fluctuating utility conditions common in shared lab infrastructure
• Opto-isolated digital I/O interface for external start/stop, direction reversal, and dispense triggering; compatible with 5 V, 12 V (standard), and 24 V (optional) logic levels
• Analog speed control input (0–5 V standard; 0–10 V / 4–20 mA optional) enabling closed-loop integration with PID controllers or data acquisition systems
• RS485 serial port compliant with MODBUS RTU protocol (slave mode), facilitating bidirectional communication with PLCs, SCADA systems, HMI panels, and PC-based LabVIEW or Python control environments
• Ergonomic membrane keypad with tactile feedback and intuitive layout—designed for glove-compatible operation in cleanroom or biosafety cabinet settings

Sample Compatibility & Compliance

The BT101S is inherently chemically inert and fluid-path isolated—only the tubing contacts the sample. It accommodates standard silicone, Viton®, Tygon®, and PharmPure® tubing types (wall thickness 0.8–1.0 mm, ID ≤ 3.17 mm), supporting compatibility with aqueous, organic, mildly acidic/basic, and low-viscosity biological solutions. While not certified to ISO 13485 or FDA 21 CFR Part 11 out-of-the-box, its deterministic flow behavior, non-volatile parameter memory (including last-used speed and direction), and audit-ready digital control logs make it suitable for GLP-compliant workflows when deployed with validated tubing sets and documented SOPs. The IP31 enclosure rating confirms protection against vertically falling drips and solid objects >2.5 mm—appropriate for benchtop use in controlled laboratory environments (ISO 14644 Class 8 or better).

Software & Data Management

No proprietary software is required for basic operation; all functions are accessible via front-panel controls. For system-level integration, Chuding provides a publicly available MODBUS register map detailing address assignments for speed setpoint (40001), direction control (00001), run state (00002), dispense enable (00003), and fault status (40010). Users may implement custom scripts (e.g., Python + pymodbus) or configure commercial SCADA platforms (Ignition, WinCC, FactoryTalk) to read real-time rpm, write target speed, trigger dispense cycles, and log timestamps. All external commands—including analog voltage inputs and digital edge triggers—are processed with hardware-level debouncing and galvanic isolation, ensuring deterministic response times (<50 ms latency from signal assertion to motor reaction). Event history (e.g., power-on count, total runtime hours) is retained in non-volatile memory.

Applications

• Automated reagent dispensing in ELISA, PCR setup, and microplate washing systems
• Continuous feed of culture media or inducers in microbial and mammalian bioreactors
• Low-flow solvent delivery in preparative HPLC and gradient elution systems
• Calibration standard delivery in environmental water analysis (e.g., EPA Method 300.0)
• In-line dilution and spiking in continuous process analytical technology (PAT) frameworks
• Controlled perfusion in organ-on-chip and microfluidic tissue models
• Time-synchronized dosing in pharmacokinetic infusion studies (preclinical rodent models)

FAQ

What pump heads are compatible with the BT101S driver?
The BT101S supports all YZ15-series pump heads (models 13#, 14#, 16#, 19#, 25#, 17#, 18#) and DG-series pump heads (DG6-1, DG10-1, DG6-2, DG10-2, DG6-4, DG10-4), enabling 1–4 channel configurations with tubing IDs up to 3.17 mm.
Does the BT101S support flow calibration against a reference standard?
Yes—users may perform manual flow calibration by measuring actual delivered volume over time at selected speeds and applying correction factors in their host control system; no built-in auto-calibration routine is provided.
Can the BT101S operate unattended for extended periods?
It is rated for continuous duty at ambient temperatures ≤40 °C and relative humidity <80%; thermal shutdown protection is not integrated, so ventilation must be ensured in enclosed enclosures.
Is firmware upgrade capability available?
Firmware updates are performed via RS485 using Chuding’s proprietary utility; version history and update procedures are documented in the technical manual provided upon request.
How is traceability maintained during remote operation?
All MODBUS transactions include timestamped command acknowledgments; when paired with a supervisory system logging register writes and responses, full command audit trails—including operator ID if mapped—can be generated for GxP-aligned review.