
Rad-8 Signal Extraction Pulse Oximeter Operator’s Manual 7-3
7
Rad-8 specifications continued
specifications
3
Masimo SET technology with LNOP Adt sensors has been validated for motion accuracy in human blood studies
on healthy adult male and female volunteers with light to dark skin pigmentation in induced hypoxia studies while
performing rubbing and tapping motions, at 2 to 4 Hz at an amplitude of 1 to 2 cm and a non-repetitive motion
between 1 to 4Hz at an amplitude of 2 to 3 cm in induced hypoxia studies in the range of 70-100% SpO
2
against
a laboratory CO-Oximeter and ECG monitor. This variation equals plus or minus one standard deviation which
encompasses 68% of the population.
The saturation accuracy of the neonatal sensors were validated on adult
male
and female
volunteers
with light to dark skin pigmentation
and 1% was added to account for the properties of fetal
hemoglobin.
4
The Masimo sensors have been validated for motion accuracy in human blood studies on healthy adult male and
female volunteers with light to dark skin pigmentation in induced hypoxia studies while performing rubbing and
tapping motions, at 2 to 4 Hz at an amplitude of 1 to 2 cm and a non-repetitive motion between 1 to 5 Hz at an
amplitude of 2 to 3 cm in induced hypoxia studies in the range of 70-100% SpO
2
against a laboratory CO-Oximeter
and ECG monitor. This variation equals plus or minus one standard deviation. Plus or minus one standard deviation
encompasses 68% of the population.
5
Masimo SET technology has been validated for low perfusion accuracy in bench top testing against a Biotek Index 2
simulator and Masimo’s simulator with signal strengths of greater than 0.02% and a % transmission of greater than 5%
for saturations ranging from 70 to 100%. This variation equals plus or minus one standard deviation which encompasses
68% of the population.
6 Masimo sensors have been validated for pulse rate accuracy for the range of 25-240 bpm in bench top testing
against a Biotek Index 2 simulator. This variation equals plus or minus one standard deviation which encompasses
68% of the population.
7 Battery capacity varies based on device settings.
8. If the batteries are to be stored for extended periods of time, it is recommended that they be stored between -20°C to
+30°C, and at a relative humidity less than 85%. If stored for a prolonged period at environmental conditions beyond
these limits, overall battery capacity may be diminished, and lifetime of the batteries may be shortened.
9. With FastSat the averaging time is dependent on the input signal. For the 2 and 4 second settings the averaging time
may range from 2-4 and 4-6 seconds, respectively.
Serial interface specifications
The digital interface for serial communication is based on the standard RS-232 protocol.
The Rad-8 Pulse Oximeter by default always outputs ASCII2 text data through the serial
port, unless the user selects a different output mode in the Output menu. To interface with
the Rad-8 and receive serial text data, simply connect a serial interface cable to the serial
output connector located on the back of the Rad-8.
NOTE: Trend data packets are collected at 2 second intervals. Each data packet con-
tains: the date, time, SpO
2
, pulse rate, perfusion index and alarm and excep-
tion values (in ASCII format).
SERIAL INTERFACE SETUP
To interface with the Rad-8 serial port, set the following communication parameters on the
interfacing serial device:
PARAMETER SETTING
BAUD RATE 9600 Baud bi-directional
NUMBER OF BITS PER CHARACTER 8
PARITY None
BITS 1 start, 1 stop
HANDSHAKING None
CONNECTOR TYPE Female DB-9
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