INTROTEK® Non-Invasive PAD (Point-Air Detection) Sensor provides a reflective ultrasonic signal from a single contact point, making it the ideal air detection solution for fluid-handling cassette applications. This sensor integrates patented pulse-type ultrasonic circuitry for exceptional reliability and performance.
Built into the sensor assembly, the Micro-Electronic Controller (MEC) includes programmable algorithms that manage functionality. Parameters such as response times and time delays can be customized to meet specific application requirements.
Compact
- Non-invasive
- Compact design with integral MEC circuitry
Technology
- Programmable microcontroller enhances circuit functionality
- Accommodates a wide range of disposable cassette assemblies that incorporate fluidic channels
- Dependable pulse-type, non-invasive ultrasound
Custom design
- Custom response times
- Custom OEM designs
- Air detection threshold or bubble size is adjustable to meet customer specifications
Safe
- Exceptionally reliable
- High noise immunity to EMI/ RFI
Operating principle
Introtek’s pulse-type ultrasonic technology offers dependable, non-invasive air bubble detection for critical applications where patient or process safety is essential. This advanced design minimizes or eliminates many of the factors that typically impact the performance of amplitude or continuous-wave-based sensing air detector systems, ensuring precise and consistent detection results.
Features
- Compact design with integral MEC circuitry
- Programmable microcontroller expands circuit functionality
- High EMI and RFI noise immunity
- Reliable pulse-type, non-invasive ultrasound
- Customizable air detection threshold or bubble size per customer requirements
- Accommodates a wide range of disposable cassette assemblies that incorporate fluidic channels
- Dry-coupled - no coupling gel is required
- Accuracy remains unaffected by tubing or fluid color
Options
- Reverse output logic
- Custom response times
- Custom OEM designs
- Dual redundant operations
Image Credit: Introtek International
Applications
- Air bubble, Air-in-line, and liquid level sensing
- Patient-connected medical devices, including:
- Apheresis
- Auto-transfusion
- Heart-lung bypass
- Dialysis
- Cardiac assist pumps
- Infusion pumps
- Perfusion-based 'life support' devices
- Immunoassay and diagnostic equipment
- Blood processing equipment
- Chromatography and separation technology
- Liquid and chemical dispensing