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Grael PSG
INTRODUCING GRAEL PSG
Based on the flagship Grael amplifier, the Grael PSG has a channel subset dedicated for Sleep studies. A true-HD PSG amplifier with channels as specified for the gold standard AASM Type 1 studies.
# Product available in selected markets. Please contact your Compumedics representative for product availability.
HIGH DEFINITION FULL PSG
- Full PSG in High Definition
- 24-bit amplifier – A new standard for PSG
- DC-coupled inputs – See what’s really happening
- Differential ECG and EMG provide unparalleled signal quality
- Exceptional noise and artefact rejection
- Exceeds all AASM Digital Specifications**
ONE BOX, ONE CABLE AMPLIFIER
- All connections are integrated
- A single IP connection to the Grael provides both power and data transmission
- Built-in light sensor*
- Sleep-optimised Oximeter*
- Integrated RIP technology*
- New high-sensitivity snore microphone*
- Calibration-free position sensor*
IMPROVED EFFICIENCY
- One-touch quick disconnect
- Lanyard for easy carrying when disconnected
- Light-up touch-proof connectors allows convenient bedside impedance checking
- Touch-proof connectors are ideally spaced for easy access
- Labeled to current AASM guidelines**
- Grael cradle can be desk, cart or wall mounted to suit any environment
SPECIFICATIONS
DIMENSIONS:
Grael System Component
Size
L x W x H
Weight
Amplifier
240mm x 144mm x 50mm
9.45in x 5.66in x 1.97in
700 grams
24.7 ounces
NETWORK
POE (power over Ethernet)
NETWORK CONNECTION
Drop in cradle for quick disconnect
ANALOGUE TO DIGITAL CONVERTER
24 bit resolution
DATA SAVE RATE
Up to 2048sps
PATIENT CONNECTIONS
CF as per IEC60601-1
SAFETY IEC60601-1
EMC IEC60601-1-2
COMMUNICATION INTERFACE
Network Type
802.3/802.3u twisted pair
Ethernet with audio MDIX
Supports IPV4 with DHCP, TCP, UDP, ICMP and ARP protocols
13 REFERENTIAL CHANNELS
Range +/-300mV (resolution <50nV)
Frequency response DC to 580 Hz (user adjustable)
Input impedance >100M
CMRR >100dB
Noise (0.1 to 70Hz) 2uVpp typical
6 DIFFERENTIAL CHANNELS
Range +/-300mV (resolution <50nV)
Frequency response DC to 580 Hz (user adjustable)
Input impedance >20M
CMRR >100dB
Noise (0.1 to 70Hz) 2uVpp typical
2 RESPIRATORY INDUCTIVE PLETHYSMOGRAPHY CHANNELSSensor Inductive band
Frequency Response DC to 64 Hz
PRESSURE
Differential input 2 male luer
Range +/- 100cmH2O
Frequency Response DC to 580 Hz (user adjustable)
Accuracy +/-1cmH2O at 25 degrees Celsius
POSITION
Sensor Tri-axial accelerometer
Positions Supine, prone, left, right, upright
MICROPHONE
Sensor Electret
Frequency response
5 to 580 Hz (user adjustable)
LIGHT
Sensor Integrated
OXIMETER
SPO2 range 25 to 100%
Heart Rate Range 18 to 300 pulses per minute
SPO2 accuracy 70-100% +/- 2.5 digits within 1 standard deviation
Heart Rate Accuracy +/- 1% +/- 1 digit
Sample rate (SPO2, HR, status)
1 sample per second, up sampled to match the other channels
Sample rate (plethysmograph)
256 samples per second, up sampled to match the other channels
ENVIRONMENTAL REQUIREMENTS
Temperature Ambient operating temperature range: 0 – 40 Degree Celsius (32 – 104 Degree Fahrenheit)
Storage temperature range
-10 – 50 Degree Celsius (-4 – 122 Degree Fahrenheit)
Humidity 20% – 90% – relative humidity (non-condensing)
Altitude Less than 3,000m
ELECTRICAL SPECIFICATIONS
Power Supply All power provided by the network connection using Power Over Ethernet (either mid-span injector or POE Switch, per IEEE 802.3af standard)
Operating voltage 48 volts
Power Consumption <10 watts