M4 Medical Connector for Blood Glucose Meter Test Strips

M12 Circular Connectors by Type and Core Count

M4 Medical Connector for Blood Glucose Meter Test Strips

For blood glucose meters, the test strip interface connector must ensure high signal accuracy, simple operation, and patient safety. The M4 miniature medical-grade connector is a suitable choice for this application, offering a compact footprint and reliable electrical performance for handheld diagnostic devices.

Key Specifications of the M4 Miniature Connector

• Dimensions and Weight: 4mm in diameter, weighing less than 1g, minimizing bulk in handheld devices.
• Signal Transmission: 2 pins transmit blood glucose test signals with an accuracy of ±0.1mmol/L.
• Ease of Use: Plugging force is less than 3N, allowing patients to insert test strips without tools.
• Durability and Safety: Rounded corner design prevents finger scratches; the shell resists wiping with 70% alcohol for daily disinfection.
• Power Efficiency: Low power consumption with current ≤0.5mA, compatible with button batteries for a battery life of ≥100 tests.

Application Fit and Design Considerations

This connector is designed for the specific electrical and mechanical demands of blood glucose monitoring. The low current draw is critical for extending battery life, while the low insertion force is essential for patient-operated devices. The alcohol-resistant shell supports routine cleaning protocols in home and clinical settings.

For related medical device connection requirements, you may also review the selection criteria for blood oxygen sensor connectors or explore the broader Medical Devices FAQ for guidance on other precision instruments.

Selection Checklist for Your Project

• Confirm the required pin count and signal type for your test strip design.
• Verify the acceptable insertion force for your target user group.
• Check compatibility with your device's power budget and battery type.
• Ensure the connector materials meet your disinfection and environmental requirements.

Frequently Asked Questions

What is the typical mating cycle life for this M4 connector?

The source material does not specify a mating cycle rating for this connector. For high-use devices, confirm the expected insertion cycles with the manufacturer to ensure the connector meets your device's lifespan requirements.

Can this connector be used with automated test strip loading mechanisms?

The specified insertion force of less than 3N is suitable for manual patient operation. For automated mechanisms, verify that the connector's mechanical tolerances and alignment features are compatible with your loading system's design.