Appendix 1: Technical Description

Size: 7.4” W x 4.6” D x 11.6” H (188 mm W x 117 mm D x 295 mm H)

Unit weight: Less than 10 lbs (without carrying case or cart)

Power requirements: 100-240V AC (± 10%), 50-60 Hz; battery power 18V DC, 6.7 amps; DC adap-

tor, 18V DC, 6.7 amps (Note: See Approved Accessories Guide for model and part number of AC power supply.)

Purity: 90% ± 3% (22°C ± 3°C, 14.29 psia ± 0.04 or 739 mmHg at 40% ± 15% relative humidity) at all flow rates

Setting: User adjustable 1.0 to 5.0 (with 0.5 increments) (min. 1.0; max. 5.0)

Setting indicator: LCD display

Maximum oxygen discharge pressure: 17 psi at setting of 5.0

Humidity range: 5% to 93% ± 2% non-condensing

Operating altitude: 0’ to 8,000’ relative to sea level (0 km to 2.4 km)

Sound pressure level (measured 1 m from edge of chassis): Less than 50 dB(A) average

Type of protection (electrical): Class I

Degree of protection (electrical): Type BF

Degree of protection (water): IPX2

Degree of safety (flammable anesthetic mixture): Not suitable for use in the presence of a flammable anesthetic mixture

Operation: Continuous operation at temperatures of 95°F (35°C) down to 41°F (5°C), and short-time operation for 25 minutes at temperatures up to 104°F (40°C).

Alarm sound pressure range: 65 to 85 dB(A)

Alarm system delays: Less than 10 seconds after detection (low oxygen alarms if oxygen is less than 82% volume fraction at specified environmental conditions)

Oxygen concentrator status indicator: High priority alarm that indicates when oxygen concentration drops below 82%

Maximum Temperature: Under extreme environmental and operating conditions, specific maximum surface temperatures are listed below. Each of these specific surfaces also lists an expected user contact limit as follows:

The Key panel can reach up to 140°F (60°C). This surface is intended to be touched for less than one minute at a time. The clear plastic window on the carrying case can reach up to 118.4°F (48°C). This surface is intended to be touched for less than ten minutes at a time. The remainder of the carrying case can reach up to 109.4°F (43°C). This surface has no time limitation on user contact.

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