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High Sensitivity 2MHz TCD Doppler Sensor for Craniocervical Junction

We can offer 2Mhz,4Mhz,8Mhz TCD Doppler Sensor .The shape of shell can be customized based on your requirements.

Application:This probe is used for craniocervical doppler flowmeter,it is good anti-interference ability and high sensitivity,which
has been integrated with many TCD equipment manufacturer.

Quantity:
  • PH-2
  • Piezohannas
  • PH-2

   High Sensitivity 2MHz TCD Doppler Sensor for Craniocervical Junction


Introduction:


The Doppler blood measuring device we developed can equip with 2mhz, 4mhz, 8mhz blood flow sensor to measure the different depth blood flow rate. The output interface is USB port, and input the power is standard PC power. There could offer some sort of raw data or the calculated data as Vp; Vm, Vd, PI, RI, SD, Hr.  Besides, we could offer the output as bitmap spectrum when connect with your laptop or PC directly.


The technical requirements stipulate the main technical requirements of the unit pulse wave type (PW) and the dual-wafer separation continuous wave type (CW) ultrasonic Doppler probes, as the basis for technical inspection and evaluation.


2MHz Craniocervical Doppler probe:


Frequency

 2MHz

Sensitivity

 -7dB

Bandwidth(-6dB):   

35%

Static Capacitance:   

3000 pF

Impedance: 

50Ω

Protection level: 

IPX7 4000Vagainst ground

Length of Cable:   

 2m

Customizable:

Yes


Technology parameters:                                                                      

 

Model

PH-2

PH-4

PH-8

Working frequency

2MHz±10%

4MHz±10%

8MHz±10%

Working method

Pulse wave

Continuous wave

Continuous wave

Static capacitance

2900PF±20%

Send:1500PF±20%

receive:1500PF±20%

send:500PF±20%

receive: 500PF±20%

relative sensitivity

>-9dB

>-20dB

>-15dB

Relative bandwidth

≥30%

≥15%

≥20%

receiving-sending mixed

---

<-50dB

<-50dB

Main use

For brain blood flow analysis

For the carotid artery blood flow analysis

For superficial vascular blood flow analysis





WorkMode:


2M (pulse); the 4M (pulse) mode; 4M (continuous) mode; hardware each time only one way to work.
Wins: the number of windows.
Also that depth number. The new hardware to a maximum depth of 4. Can make four spectral windows, each spectrum window that is a depth of sampling volume window.
Hardware every two adjacent sample volume of nearly half of the window is a signal overlap. Example: the first depth signal also contains a a half second depth signal, and the first depth signal also contains half of the first depth signal, also contains the signal of the half 3 depth, but the depth a signal is not the first depth signal. Nos. 1 and 3 of the depth of the signal is completely independent, the first 2 and 4 of the depth of the signal is also completely independent. When such a depth of four signal displayed on the visual feeling there will be a transition.


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Piezo Hannas (WuHan) Tech Co,.Ltd  is a professional piezoelectric ceramics and ultrasonic transducer manufacturer, dedicated to ultrasonic technology and industrial applications.                                    
 

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