BT102S Precision Variable-Speed Peristaltic Pump with YZ15 and DG-Series Pump Heads

Overview

The BT102S Precision Variable-Speed Peristaltic Pump is an industrial-grade laboratory peristaltic drive engineered for high-reproducibility fluid transfer in analytical, bioprocessing, and quality control environments. Based on the principle of positive displacement via roller compression of elastomeric tubing, the BT102S delivers consistent, pulse-free flow across a wide dynamic range — from nanoliter-scale dosing (0.00016 mL/min) to high-throughput delivery (up to 380 mL/min). Its modular architecture supports interchangeable pump heads — including YZ15, YZ25, and multi-channel DG-series configurations — enabling flexible adaptation to single- or multi-stream applications without hardware replacement. Designed for integration into automated workflows, the unit features native RS485 connectivity compliant with MODBUS RTU protocol, facilitating seamless interoperability with PLCs, SCADA systems, and laboratory information management systems (LIMS). The stainless steel 304 chassis ensures chemical resistance against common solvents, acids, and bases encountered in QC labs and pilot-scale bioreactor feed systems.

Key Features

• Precision speed control from 0.1 to 100 rpm with 0.1 rpm resolution, enabling fine-grained adjustment for low-flow applications such as reagent dispensing or cell culture media perfusion.
• Integrated “Simple Dispensing Mode” for repeatable volumetric delivery — ideal for standardized sample preparation, calibration standard dilution, or buffer exchange protocols.
• Four-digit LED display showing real-time speed value and operational mode (RUN/STOP/REVERSE/FULL SPEED); status LEDs indicate internal/external control source and footswitch activation.
• Opto-isolated digital control inputs supporting 5 V, 12 V, or 24 V logic levels — compatible with industrial sensors, safety interlocks, and programmable logic controllers.
• Power-loss memory retention: retains last configured speed and mode upon power cycle, minimizing operator intervention during routine operations.
• Triple-conformal-coated PCBs provide enhanced protection against dust, moisture, and condensation — meeting long-term reliability requirements under typical lab environmental conditions (IP31 rating).
• Wide-input voltage tolerance (±10%) and robust EMI shielding ensure stable operation in electrically noisy environments, including shared utility circuits in multi-instrument laboratories.

Sample Compatibility & Compliance

The BT102S accommodates standard peristaltic tubing sizes up to 3.17 mm inner diameter (e.g., Norprene®, PharMed® BPT, Tygon® LFL) with wall thicknesses between 0.8 mm and 1.0 mm. Its compatibility with YZ15 (1-channel), YZ25 (1-channel), and DG-series multi-channel pump heads (1-, 2-, or 4-channel variants) allows configuration for parallel processing — e.g., simultaneous feeding of multiple reactors or parallel HPLC mobile phase delivery. While not certified to ISO 8573 or FDA 21 CFR Part 11 out-of-the-box, the pump’s deterministic flow behavior, traceable speed calibration, and audit-ready digital control interface support validation under GLP and GMP frameworks when integrated into documented SOPs. All mechanical components conform to RoHS Directive 2011/65/EU; electrical safety complies with IEC 61010-1:2010 for laboratory equipment.

Software & Data Management

The BT102S operates autonomously via front-panel membrane buttons or externally via RS485 serial communication using MODBUS RTU (function codes 03h/06h/10h). No proprietary software is required — standard MODBUS master applications (e.g., ModScan, QModMaster, or custom Python/Node-RED implementations) can read speed status, write target RPM, trigger start/stop/reverse commands, and activate dispensing cycles. Logged operational data — including runtime, total volume dispensed (calculated via time-integrated flow rate), and error flags — can be captured by external supervisory systems. For regulated environments, timestamped command logs and change history may be exported for audit trail generation, satisfying basic ALCOA+ principles when paired with appropriate system-level validation.

Applications

• Automated sample introduction in ICP-OES, AAS, and continuous-flow analyzers.
• Controlled nutrient/media feeding in microbial fermentation and mammalian cell culture bioreactors.
• Buffer gradient generation and solvent delivery in preparative chromatography systems.
• Calibration standard preparation in clinical chemistry and environmental testing labs.
• Continuous dosing in corrosion inhibition studies or electrochemical flow cells.
• Multi-stream reagent addition in ELISA washers and automated immunoassay platforms.

FAQ

What pump heads are natively supported by the BT102S driver?
The BT102S is mechanically and electronically compatible with YZ15, YZ25, DG6-1, DG10-1, DG6-2, DG10-2, DG6-4, and DG10-4 pump heads — all using industry-standard mounting interfaces.
Is the flow rate linearly proportional to rotational speed across the full range?
Yes — within specified tubing compliance and pressure limits ( 0.999) versus speed, validated per ASTM D3418 for peristaltic pump characterization.
Can the BT102S be integrated into a Windows-based PC-controlled system?
Yes — via RS485-to-USB adapter and MODBUS-compliant software libraries (e.g., pymodbus, NModbus), enabling direct control from LabVIEW, MATLAB, or custom C#/Python applications.
Does the unit support analog (0–10 V or 4–20 mA) speed input?
No — only digital control via opto-isolated TTL/CMOS logic inputs or MODBUS RTU serial commands is supported.
What is the maximum allowable backpressure for accurate flow delivery?
For optimal accuracy (< ±0.5%), backpressure should remain below 0.2 bar when using standard silicone or thermoplastic elastomer tubing; higher pressures require tubing-specific recalibration and may affect roller wear life.