Model 8500 Specifications

Oxygen Saturation Display Range: 0% to 100% SpO₂
Pulse Rate Display Range: 18 to 321 beats per minute (BPM)
Accuracy – Sensors: Declared accuracy data for compatible sensors can be found in Nonin’s Sensor Accuracy document.
Measurement Wavelengths and Output Power**:
Red: 660 nanometers @ 0.8 mW maximum average
Infrared: 910 nanometers @ 1.2 mW maximum average

Indicators:
Pulse Quality Indicator: LED, tricolor
Numeric Displays: 3-digit, 7-segment LEDs, red

Temperature:
Operating: -20 to +40 °C (-4 to +104 °F)
Storage/Transportation: -40 to +70 °C (-40 to +158 °F)

Humidity:
Operating: 10% to 90% non-condensing
Storage/Transportation: 10% to 95% non-condensing

Altitude:
Operating: Up to 4,000 meters (13,123 feet)
Hyperbaric Pressure: Up to 4 atmospheres

Power Requirements:
Six 1.5V AA-size alkaline batteries.
100 hours maximum display brightness.
160 hours with normal display brightness.

Dimensions: 8 cm W x 15 cm H x 2.5 cm D (3 in W x 6 in H x 1 in D)
Weight: 280 g (10 oz) (with alkaline batteries)
Classifications per IEC 60601-1 / CAN/CSA-C22.2 No. 601.1 / UL60601-1:
Type of Protection: Internally powered (on battery power)
Degree of Protection: Type BF-Applied Part
Mode of Operation: Continuous

Enclosure Degree of Ingress Protection: IP33

This device is not made with natural rubber latex.

** This information is especially useful for clinicians performing photodynamic therapy.