X228 Series Wireless Bluetooth Advanced PSG EEG
Model: 6228W

Summary:
1) Channel No.: 23/33/53
2) Sleep parameters is available:
   EOG(2Channels); ECG(5); EMG(1Channel); AIRFLOW(1Channel); SNORE(1Channel); Rep(2Channel); SNORE(1Channel); SPO2; Body position.
3) Amplifier integrated the function of ambulatory, plug and play SD card
4) Advanced Routine function is optional.

Features:
1. Anti-inteference Capability: Wireless connection between the pocket PSG EEG and computer eliminates interference from other devices such as AC which often occurs with wired connection.
2. Freedom of movement for patients :Wireless connection between patients and PSG EEG allows patients greater freedom of movement, also makes doctor's monitoring more convenient.
3. Safty: The 6V DC power supply of the amplifier eliminates risk of electric shock to patients.
4. No ground wire required : There is no need to shield, no need to install ground wire,the equipment can be used in different locations.
6. Modular design: It ensures flexibility in system configuration and upgrade opportunities.
7. Portable & Table optional. We have custom designed cart to deposit with a desktop computer ,printer, all modules of device . Portable PSG EEG is very light and convenient for out of hospital diagnosis, emergency diagnosis.
8. Multi-language software which can satisfy customer's requirement worldwide
9. Optional Video and Flash stimulator are available to expand the functionality.

Specification:
1. Specification for Amplifier of PSG EEG:
Input impedance  ¡Ý10M
Noise <0.5uV(RMS)
CMRR ¡Ý110dB
Anti-polarizing voltage  ±500mV
Amplitude-frequency characteristic   0.2Hz~200Hz
The way to connect with host computer : Change freely between wireless and wire;
Power for amplifier : AC or DC ,Strong capability of anti-interference

2. Digital processing of PSG EEG
Sampling rate: 256Hz, 512Hz, 1024Hz
Interface technique: USB 2.0
Sampling rate with high degree of accuracy:16bit
Transmission rate: 480Mb(/12Mb)/S
Time constant: 0.01s, 0.02s, 0.03s, 0.1s, 0.2s, 0.3s, 1s, 2s, 3s
Low-pass filter: 15Hz, 30Hz, 40Hz, 60Hz, 120Hz
Digital amplify: 1~10000 times