Active probe PW-2

acousticultrasonicfor medical applications

Product Overview
Ultrasonic Doppler Probe PW-2 Series 2MHz is a medical ultrasonic sensor designed for use with Doppler blood flow analyzers. Available in pulse-wave and continuous-wave configurations, the probe supports selectable working frequencies (2MHz, 4MHz, 8MHz) to address transcranial, carotid and superficial vascular examinations.

Key Features

• Compatibility with ultrasonic Doppler blood flow analyzers
• Available in Pulse Doppler and Continuous Doppler variants
• Selectable working frequencies: 2MHz, 4MHz, 8MHz (±10%)
• Variants of static capacitance to match analyzer inputs

Specifications Summary

• Model: PW-2 Series
• Working frequency: 2MHz ±10% / 4MHz ±10% / 8MHz ±10%
• Working method: Pulse wave / Continuous wave
• Static capacitance: 2900 pF ±20% (2MHz); Send/Receive: 1500 pF ±20%/1500 pF ±20% (4MHz); Send/Receive: 500 pF ±20%/500 pF ±20% (8MHz)
• Relative sensitivity: >-9 dB (2MHz) / >-20 dB (4MHz) / >-15 dB (8MHz)
• Relative bandwidth: ≥30% (2MHz) / ≥15% (4MHz) / ≥20% (8MHz)
• Receiving-sending isolation: — (2MHz) / <-50 dB (4MHz) / <-50 dB (8MHz)
• Main use: Transcranial (brain) / Carotid artery / Superficial vascular blood flow analysis

Applications
The PW-2 Series probes are intended to be connected to ultrasonic Doppler blood flow analyzers for clinical and diagnostic use. Choose the probe frequency and waveform mode according to target anatomy: 2MHz primarily for transcranial applications, 4MHz for carotid assessment, 8MHz for superficial vessels.

Technical specifications

• Model: PW-2 Series
• Frequencies available: 2MHz ±10%, 4MHz ±10%, 8MHz ±10%
• Operating modes: Pulse wave and Continuous wave
• Static capacitance options: 2900 pF ±20% (2MHz); 1500 pF ±20% send / 1500 pF ±20% receive (4MHz); 500 pF ±20% send / 500 pF ±20% receive (8MHz)
• Relative sensitivity by frequency: >-9 dB (2MHz), >-20 dB (4MHz), >-15 dB (8MHz)
• Relative bandwidth by frequency: ≥30% (2MHz), ≥15% (4MHz), ≥20% (8MHz)
• Receiving-sending isolation: — (2MHz) / <-50 dB (4MHz) / <-50 dB (8MHz)
• Primary uses: Transcranial (brain) blood flow analysis; Carotid artery blood flow analysis; Superficial vascular blood flow analysis