Model 9843 Specifications

Oxygen Saturation Display Range: 0% to 100% SpO₂
Pulse Rate Display Range: 18 to 321 beats per minute (BPM)
CO₂ Range: 0 to >75mmHg
CO₂ Response Time: 250 ms
Respiration Rate Range: 1 to 60 breaths per minute
Breath Detection Threshold: 5 mmHg
Accuracy – Sensors: Declared accuracy data for compatible sensors can be found in Nonin’s Sensor Accuracy document.
CO₂ Accuracy of Bar Graph Thresholds (A_rms)*: ±25% of reading (typical)
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, tricolor
CO₂ Bar Graph: 8-segment bar graph, red
Low Battery Indicator: Dedicated icon, red
Audible Indicator: Miniature speaker

Temperature (Operating):
Pulse Oximeter: 0 °C to +40 °C (32 °F to +104 °F)
Temperature (Storage/Transportation): -40 °C to +70 °C (-40 °F to +158 °F)

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

Altitude:
Operating: Up to 3,000 meters (10,000 feet)
Hyperbaric Pressure: Up to 4 atmospheres

Power Requirements:
Six 1.5V AA-size alkaline batteries.
90 hours – Pulse Oximeter only.
20 hours – CO₂ and Pulse Oximeter.
24 hours – CO₂ only.

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: 310 g (11 oz) (with alkaline batteries)
Classifications per IEC 60601-1 / CAN/CSA-C22.2 No. 601.1 / UL 60601-1:
Type of Protection: Internally powered (on battery power)
Degree of Protection: Type BF-Applied Part
Mode of Operation: Continuous

Enclosure Degree of Ingress Protection: IP32

This device is not made with natural rubber latex.

^{* ± 1 A_rms represents approximately 68% of measurements.
** This information is especially useful for clinicians performing photodynamic therapy.}