AT62 ALPHA-THETA EEG SPECIFICATIONS

The AT62 EEG is designed to meet/exceed the electrical and safety standards specified by UL 260, IEC 601 and CSA 871. The default parameters are bolded.

Feedback Frequencies

Two Frequencies - Alpha only, Theta only, Both Alpha and Theta
Home-Use Software Lockout - Enabled, Disabled

Visual Feedback - Per Frequency

Display Options - Numerical LED + Lightbar, Lightbar only, Numerical LED only
Numerical LED Displays - Three red digits, 9.5" high
Numerical LED Range - 0.1-99.9 microvolts
TPI (Time Period Integration) Settings - 0.5, 1.0, 20, 4.0, 6.0, 10.0, 60.0 seconds
Numerical LED Read-Outs - EEG microvolt, Percentage of time within bandpass
LVA (Last Value Attained) Settings - Continuous, maximum, Minimum
Lightbar Range - 15 segments, x0.1 to x2.5-3.0 proportional scale

Audio Feedback - Per Frequency

Available Tones - Piano (default for Alpha), Continuous (default for Theta), Oboe, Flute
Volume - Levels 0 to 7, 4 is the default
Provided - Continuously, Above or Below Threshold

Statistics - Per Frequency

Statistics Acquired (Summary - Min., Max., Mean, SD, 0/0SD
Statistics Acquired (Intra-Stats) - Choice of Min., Max., Mean, SD, 0/0SD
Sampling Capacity - 60 minutes of data
Intra-Session Data Collection Rate - 0.5 minutes, fixed
Data Display Rate - 2.5 seconds
Statistics Sampling Rate - 4 Hz (every 0.25 seconds) of VRMS

Electrical - Per Frequency

Resolution - 0.10 microvolts
EEG Bandpass - 8-12 Hz Alpha, 4-8 Hz Theta
EMG Bandpass - 100-400 Hz
EMG Threshold Range - 0.0 to 99.9 microvolts
EEG Bandpass Rolloff - 40 dB per octave
Notch Filter - Not required
Common Mode Rejection - 120 dB
Differential Input Impedance - >1,000,000 megohms
Input Noise - 0.3 microvolts
Leakage Current - In compliance with UL 2601 specifications
Audio Output - 3.5 mm stereo earphone jack, (mono output)
Analog Output - Linear 0-5 volt DC signal, compatible with most computer interfaces
Line Power Input - 120 volt, 60 HZ, 220 volt, 50/60 Hz
Battery Longevity Rating - 10 to 20 hours continuous use
Battery Recharge - 16 hours maximum with built-in overcharge protection
Dimensions & Weight - 2.5" H x 7.7 W" x 5.3" D; 1 pound 11 ounces.

STANDARD ACCESSORIES (Included)

Qty - Item
(1) UL listed isolation adapter
(4) Installed Ni-Cad rechargeable batteries
(1) SensorPhone electrode/headset assembly
(1) Carrying case
(1) Owners manual

WARRANTY: 1 year parts and labor on instrument; 90 days on accessories.

INDICATIONS: EEG feedback is indicated where general relaxation training is desired.

CONTRAINDICATIONS: There are no known contraindications with the AT62 EEG for the purpose of general relaxation training.

NOTE: No warranty or claim is made regarding the efficacy of products in clinical use, but only with regard to electronic specifications, which specifications are subject to change without notice.