7-2
Rad-57 Signal Extraction Pulse CO-Oximeter Operator’s Manual
7
Specifications
Interfering Substances
Carboxyhemoglobin and methemoglobin will erroneously alter oxygen saturation readings. The level of increase
is approximately equal to the amount of carboxyhemoglobin and/or methemoglobin present. Dyes, or any
substance containing dyes, that change usual arterial pigmentation may cause erroneous readings.
ELECTRICAL
Batteries
Type: 4 AA alkaline
7
Capacity: up to 10 hours
6
Isolation: No external power or ground connection, internally powered only, DC current.
ENVIRONMENTAL
Operating Temperature: 0°F to 129°F (-18°C to 54°C)
Transportation/Storage Temperature: -40°F to 158°F (-40°C to +70°C)
8
Operating Humidity: 5% to 95%, non-condensing
Operating Altitude:
500 mbar to 1060 mbar pressure,
-1000 ft to 18,000 ft (-304 m to 5,486 m)
PHYSICAL CHARACTERISTICS
Dimensions: 6.2” x 3.0” x 1.4” (15.8 cm x 7.6cm x 3.6 cm)
Weight: 13oz. (0.37 kg)
SpO
2
Modes
Averaging mode: 2, 4, 8,10, 12, 14 or 16 seconds
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Sensitivity: Normal, Maximum and APOD
Alarms
Audible and visual alarms for high low saturation and pulse rate (SpO
2
range 1% - 99%, SpCO range 1% - 98%,
SpMet range 1% - 99.5%, PI range 0.03% - 19%, PVI range 1% - 99%, pulse rate range 30 - 235BPM)
High Priority:
800 Hz tone, 5 pulse burst, pulse spacing:
78ms, 78ms, 320ms, 78ms, repeat time:10s
Medium Priority: 500Hz tone, 3 pulse, repeat time: 5s
Volume:
67 dB (max.)
Display/Indicators*
Data display: %SpO
2
, %SpCO, ml/dl, pulse rate, %SpMet, PI, PI bar, Pleth Variability Index, alarm status, alarm
silenced status, Low Signal IQ, battery status. SIQ bar
Type: LED
Display update rate 1 second
Response time <20 seconds
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