BQ50-1J Mini Peristaltic Pump

DESCRIPTION

The BQ50-1J is a compact peristaltic pump for laboratory liquid transfer where space is limited and a relatively low flow rate is required. Its WX10 pump-head arrangements provide a manufacturer-stated maximum reference flow of 20 mL/min, while a separate handheld controller allows the pump to be operated away from the drive. It can be considered for small laboratory circulation loops, benchtop instruments and research equipment that require controlled liquid movement through compatible flexible tubing.

Product Overview

Unlike larger benchtop pumps with an integrated front-panel control unit, the BQ50-1J combines a small drive-and-head assembly with a separate handheld controller. The assembly can be placed on a suitable support or mounted within a compatible instrument panel. This format can be helpful when a crowded experimental rig has little available space near a flow cell, reservoir or analytical instrument.

The pump is available in several WX10 head configurations. These variants differ in head materials and roller arrangement; they are not interchangeable claims of chemical compatibility. The liquid normally contacts the selected tubing rather than the drive mechanism. Tubing should therefore be chosen for the actual solution and operating conditions.

How It Works

The rotating head rollers periodically compress flexible tubing, producing liquid movement along the tube. Delivery depends on roller speed, internal tube dimensions, tubing elasticity and back-pressure. The handheld controller adjusts pump speed and direction; the indicated speed does not constitute an independent measurement of liquid flow. Confirm actual delivery experimentally if a defined volumetric rate is important.

Package / Configuration

The manufacturer's listed standard configuration comprises the pump drive with its selected head, handheld controller, power adaptor and data cable. A small V-shaped base, support pole, mounting plate and specified tubing are listed as separate options. Confirm the exact head variant and any necessary interface hardware on the quotation; analogue external control may require an optional module.

Key Features

• Compact pump-and-head assembly suitable for compatible panel or support mounting.
• Adjustable, reversible operating speed from 1 to 50 rpm.
• Handheld control for run/stop, direction and speed adjustment.
• RS485 communication and external control options for integration.
• Fast-prime function for filling or clearing compatible tubing.
• Power-off memory for previously stored operating settings.
• Multiple WX10 pump-head configurations with different head materials or roller counts.
  
  

Technical Specifications

Parameter	Verified specification
Pump family	BQ50-1J
Configuration codes in supplied 2026–27 catalogue	BQ50-1J-A, BQ50-1J-B, BQ50-1J-C
Operating speed	1–50 rpm, clockwise/counter-clockwise
Manual speed increment	1 rpm
External speed-control increment	0.1 rpm, where supported
Maximum reference flow	20 mL/min, head and tubing dependent
Pump head – A	WX10-14-A; 4 rollers; ABS/POM head materials
Pump head – B	WX10-14-C; 4 rollers; ABS/PVDF head materials
Pump head – C	WX10-18-A; 8 rollers; ABS/POM head materials
Tubing guidance	Internal diameter up to 3.17 mm; wall thickness 0.8–1.0 mm
Control	Handheld; external signals and RS485 as configured
Power	Pump DC 12 V; compatible AC adaptor
Dimensions, pump with head	135 × 72 × 72 mm
Enclosure rating	IP31

Applications

Appropriate configurations can support small-volume solution transfer, analytical reagent feeding, laboratory teaching rigs and compatible low-flow electrochemical experiments. For membrane-electrode-assembly (MEA) studies, the pump may form part of a liquid circulation or delivery path only after confirming the required flow, pressure drop, tubing chemistry and acceptable pulsation. It is not intended to replace a gas mass-flow controller.

Compatibility and Selection Guidance

Select the head variant with reference to roller arrangement, tubing dimensions, chemical exposure and the liquid-flow requirement. The difference between four- and eight-roller versions may matter where flow pulsation is important, but it should not be treated as a guaranteed flow-stability specification. Confirm the external-control module, electrical interface and any required panel-mounting hardware before ordering. If the experiment needs substantially higher throughput, review the larger speed-controlled peristaltic pump options.

Why Source Through ScienceGears

ScienceGears can help Australian and New Zealand laboratories assess the BQ50-1J as part of a research fluid-handling arrangement, identify the intended head configuration and coordinate quotation of compatible components. Any wider destination availability is confirmed separately.

Frequently Asked Questions

Is the BQ50-1J suitable for continuous liquid recirculation?

It may be suitable for a compatible low-flow recirculation loop, but operating duty, tubing life, system pressure and liquid chemistry should be reviewed for the specific installation.

Does the pump measure the actual flow rate?

No. It controls motor speed. Actual liquid delivery depends on the head, tubing and fluid path and should be checked where quantitative flow matters.

Are tubing and a mounting stand included?

The manufacturer's standard list includes the drive/head, controller, adaptor and cable. Tubing and mounting accessories are listed separately; confirm the quotation.

How do the A, B and C versions differ?

They use specified WX10 head options, including different roller counts and some different head materials. The selected version must match the required tubing and operating conditions.

Can an external controller operate the pump?

The family provides RS485 and external-control options. Confirm the specific interface module, command requirements and controller compatibility.

Can it pump aggressive electrolyte solutions?

Suitability cannot be inferred from the pump type alone. Verify tubing compatibility and protect the drive and head from exposure to corrosive liquids.

Contact ScienceGears

Contact ScienceGears with the liquid type, target flow, tubing requirements, preferred control method and installation arrangement to discuss a suitable BQ50-1J configuration.