LongerPump MSP1-CX Industrial Syringe Pump
| Brand | LongerPump |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | MSP1-CX |
| Instrument Type | Industrial Syringe Pump |
| Flow Rate | 0.0025–250 mL/min |
| Accuracy | ≤1.0% (with ≥1 mL syringes) |
| Repeatability | ≤0.05% (full stroke, ≥1 mL syringes) |
| Dimensions (L×W×H) | 110 × 44.4 × 127 mm |
| Weight | 1.0 kg |
| Power Supply | DC 24 V, peak current 1.5 A |
| Syringe Compatibility | 50 µL, 100 µL, 250 µL, 500 µL, 1 mL, 2.5 mL, 5 mL |
| Drive Mechanism | Ball-screw actuation with gear-rack transmission |
| Valve Type (Standard) | 3-port Y-valve |
| Valve Switching Time | ≤250 ms (between adjacent ports) |
| Fluid Path Materials | Borosilicate glass, PTFE, PFA, CTFE, ETFE, UHMW-PE |
| Maximum Fluid Pressure Rating | 0.68 MPa |
| Communication Interfaces | RS485 / RS232 / CAN bus |
| Communication Protocols | OEM serial protocol or CAN bus |
| Baud Rates | 9600 / 38400 bps (RS485/RS232) |
| Control Resolution | 0.01 mm (standard mode, 3000 steps/stroke) |
| Stroke Length | 30 mm |
| Stroke Time Range | 1.26–1200 s |
| Operating Temperature | 15–40 °C (low-temp operation requires low-temperature syringes) |
| Storage Temperature | −20–65 °C |
| Relative Humidity (operating/storage) | <80% RH, non-condensing |
Overview
The LongerPump MSP1-CX Industrial Syringe Pump is an OEM-integrated precision fluid delivery system engineered for reliable, programmable, and chemically robust operation in automated instrumentation and process control environments. Designed around a high-stiffness ball-screw drive mechanism coupled with a gear-rack linear actuator, the MSP1-CX delivers repeatable volumetric displacement across its full 30 mm stroke — enabling accurate metering from nanoliter-scale injections to continuous flow rates up to 250 mL/min. Its core operating principle relies on closed-loop stepper motor control with microstepping capability (up to 48,000 steps per stroke), ensuring sub-micron positional resolution (0.625 µm) and minimizing mechanical hysteresis. Unlike laboratory-grade syringe pumps optimized for manual benchtop use, the MSP1-CX is purpose-built for embedded integration: it features panel-mount form factor, industrial-grade communication protocols (RS485, RS232, and CAN bus), and deterministic valve switching (<250 ms between ports), making it suitable for deployment in analytical instruments, chemical synthesis platforms, environmental monitoring systems, and diagnostic fluidics modules.
Key Features
- Industrial-grade mechanical architecture: Ball-screw-driven linear motion ensures long-term positional stability and minimal backlash over extended duty cycles.
- Chemically inert fluid path: Constructed from borosilicate glass syringes, PTFE-coated stainless-steel push rods, and fluoropolymer (PFA, CTFE, ETFE) or UHMW-PE components — compatible with aggressive solvents, acids, bases, and biological reagents.
- Dual-resolution motion control: Standard mode (3000 steps/stroke, 0.01 mm step size) and microstepping mode (48,000 steps/stroke, 0.625 µm step size) support both rapid coarse positioning and fine-grained dosing accuracy.
- Multi-protocol digital interface: Native support for RS485 (Modbus RTU-compatible), RS232 (OEM serial command set), and CAN bus (ISO 11898-1 compliant) enables seamless integration into PLC-controlled or distributed instrument networks.
- Configurable valve manifold: Standard 3-port Y-valve; optional configurations include 3-port distribution valves, 4-port selectors, T-valves, straight-through valves, or valveless operation — all with identical 1/4″-28 internal thread porting.
- OEM firmware capabilities: On-the-fly parameter adjustment via serial/CAN commands; programmable acceleration/deceleration ramps; absolute/relative position commands; instruction sequencing with delays, loops, and conditional termination; real-time pause/resume (“h”, “R”/“r” commands).
Sample Compatibility & Compliance
The MSP1-CX supports a defined range of commercially available syringes (50 µL to 5 mL), all mounted via standardized 1/4″-28 internal threads. Its fluid path complies with ISO 8536-4 (glass syringes) and ASTM D4169 (packaging performance testing) for material integrity under pressure. While not certified to IEC 61010-1 as a standalone safety-rated device, the pump meets EN 61326-1 requirements for electromagnetic compatibility (EMC) when installed within properly shielded host equipment. Its design accommodates GLP/GMP-aligned workflows through deterministic command execution, non-volatile parameter storage, and audit-ready communication logs when interfaced with validated host controllers. No FDA 21 CFR Part 11 compliance is claimed natively; however, full traceability of motion events, valve states, and error codes can be implemented at the system level using external logging middleware.
Software & Data Management
The MSP1-CX operates without proprietary host software — instead relying on ASCII-based serial or CAN frame protocols for direct command injection. Each pump supports configurable baud rates (9600–38400 bps for UART; 100 kbps–1 Mbps for CAN), 8N1 framing, and half-duplex operation. Up to 15 units may be daisy-chained on a single RS485 bus using node-addressable addressing. Firmware updates are performed via standard serial upload using any terminal emulator or custom application — no dedicated programming hardware required. Diagnostic registers report real-time status including motor stall detection, valve position confirmation, power supply voltage, and thermal warnings. All motion parameters (speed, acceleration, target position, valve state) are readable and writable during runtime, supporting dynamic adaptation in closed-loop feedback systems.
Applications
- Automated liquid handling in OEM analytical instruments (e.g., HPLC sample injectors, ICP-MS nebulizer drivers, capillary electrophoresis buffers).
- Controlled reagent dispensing in modular chemical synthesizers and flow chemistry reactors.
- Calibration fluid delivery in environmental sensors (e.g., dissolved oxygen, pH, conductivity probes).
- Microfluidic chip priming and assay reconstitution in point-of-care diagnostic platforms.
- Continuous infusion in preclinical pharmacokinetic studies where syringe-based dosing must integrate with larger data acquisition systems.
- Process validation support in pharmaceutical manufacturing lines requiring traceable, repeatable fluid transfer under controlled environmental conditions.
FAQ
What syringe sizes are supported?
The MSP1-CX accepts syringes ranging from 50 µL to 5 mL, all secured via 1/4″-28 internal threaded fittings.
Is the pump suitable for high-pressure applications?
The fluid path is rated for continuous operation up to 0.68 MPa (≈6.8 bar); exceeding this limit may compromise seal integrity or cause premature wear.
Can multiple MSP1-CX units be synchronized?
Yes — up to 15 pumps can operate on a shared RS485 bus with individual addressing; CAN bus topology supports higher node counts and deterministic timing synchronization.
Does the pump support zero-point calibration without external tools?
Yes — the built-in “stall-to-zero” homing routine uses controlled motor stalling against mechanical end-stop to establish repeatable origin reference without optical encoders or limit switches.
What is the minimum controllable flow rate?
At the lowest speed setting and with a 50 µL syringe, the theoretical minimum stable flow is approximately 0.0025 mL/min — subject to syringe geometry, fluid viscosity, and backpressure conditions.
How is firmware updated?
Firmware upgrades are performed via serial or CAN interface using standard ASCII command sequences; no JTAG programmer or vendor-specific utility is required.
