Sensirion LPG10-1000 Digital Planar Liquid Flow Sensor

Sensirion LPG10-1000 Digital Planar Liquid Flow Sensor provides high performance and speed in measuring liquid flow in a planar microfluidic glass substrate with down-mount fluidic ports for highly compact integration into any fluidic manifold system. Measuring 10mm x 10mm x 2.35mm³, the LPG10-1000 is ideal for high-volume applications with strict space limitations. Microfluidics chips and digital microsensor chips are combined to measure liquid flow inside a planar glass substrate. The digital microsensor chip provides full signal processing functionality for a fully calibrated, temperature compensated, linearized digital output.

The LPG10-1000 is a smart sensor solution offering flow rates from the low microliter per minute to 1ml/min. Glass, the wetted material, ensures optimum compatibility with biological and pharmaceutical processes. Due to the small thermal mass, response times below 30ms can be reached. The Sensirion LPG10-1000 Digital Planar Liquid Flow Sensor also offers real-time detection of failures such as clogging, air bubbles, or leaks.

Features

• Ultra-small 10mm x 10mm x 2.35mm size
• Excellent repeatability
• Completely calibrated, digital linearized output signal
• Excellent media compatibility and chemical resistance
• Media isolated sensing principle – no direct sensor contact with the fluid
• Bio-compatible and consists of inert materials
• Digital I²C interface

Specifications

• 1000µl minimum full-scale flow rate
• 1500µl minimum sensor output limit
• Response time
  • 40ms for flow detection
  • 120ms for power-up
• Temperature ranges
  • +5°C to +50°C operating
  • -40°C to +60°C storage
• 0 to 95% humidity, non-condensing
• 3bar (43psi) recommended maximum operating pressure
• 7bar (101psi) burst pressure
• Digital sampling time
  • 74ms at 16-bit
  • 1ms at 9-bit
• 3.3V_DC to 3.6V_DC operating voltage range
• <6mA typical operating current
• Borosilicate glass internal substrate channel material
• Downmount fluidic connection
• 0.1mbar pressure drop at the full-scale flow rate
• ~11.7µl total internal volume
• ~0.32g total mass
• ~0.9mm x 0.9mm cross-section flow channel

Development Tools

Sensirion LPG10-1000 Evaluation Kit

Evaluation kit for testing the LPG10-1000 Digital Planar Liquid Flow Sensors.

Sensirion LPG10-1000 Evaluation Kit includes one LPG10-1000 sensor, preassembled in a fluidic manifold (PMMA), featuring ¼-28 flat bottom fluidic fittings. The fluidic seal between sensor and manifold is ensured using two O-Rings (FKM). The included connector cap secures the sensor to the manifold and features a 4-pin Molex connector. The included Molex adapter cable, USB cable, and software allow for easy evaluation using a PC.

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