Product Data
Series 6202
Reduced Oxygen Breathing Device
The Environics® Series 6202 Reduced Oxygen Breathing Device 2 (ROBD 2), is a portable computerized gas-blending
instrument used to produce hypoxia without changes in atmospheric pressure. This simulated altitude exposure can be utilized
for both research and training purposes. The U. S. Navy currently uses the ROBD 2 to train aircrew to recognize the signs and
symptoms of hypoxia and to perform the appropriate emergency procedures and additionally, conducts hypoxia research.
The ROBD 2 uses Thermal Mass Flow Controllers (MFC) to mix breathing air and nitrogen to produce the sea level equivalent atmospheric oxygen contents for altitudes up to 34,000 feet. The MFC's are calibrated on a primary flow standard traceable to the National Institute of Standards and Technology (NIST). The ROBD 2 introduces pressure changes and gas expansion as a function of altitude. Several safety features are built into the device: prevention of over pressurization of the subject's mask, prevention of reduced oxygen contents below those being requested for a particular altitude and an emergency dump switch that will supply 100% O2 to subjects. The software is menu driven. The main operators menu consists of three selections, simplifying the use of the system for the field operator. Built-in self-tests verify all system component functionality before the operation of the system can begin. If any self-test fails the system will not operate. The system is designed to work with both bottled gases and gases produced by a Nitrogen/Air Generator(available separately).
Power Input: 110 to 240 VAC
EMI / RFI protected
Gas inputs:
Standard: 1/4" FNPT
Pressure: Nitrogen and air: 40 psig
Oxygen: 20 psig
Optional: Rear panel quick disconnect fittings with SS braided hoses and regulators
Regulator fittings Gas input color codes
Nitrogen: CGA 580 (BLACK)
Air: CGA 346 (YELLOW)
Oxygen: CGA 540 (GREEN)
Communications: RS232
Capacity: One Subject Under Test (SUT) at a time.
Oxygen Dump: 100% oxygen dump switch to be activated by the operator.
Pulse oximeter:
Built in displays for both pulse and SpO2
User selectable alarm settings
Finger tip probe or Y sensor with ear clips
SpO2 (Oxygen Saturation)
Range: 0-100%
Accuracy: (for 1 standard deviation or 68% of sample distribution)
+/- 2% SpO2 (for 80-100% SpO2)
Unspecified for 0-79%
Display Resolution: 1%
Pulse Rate
Range: 30-250 beats per minute (bpm)
Accuracy: +/- 1% of full scale (for 1 standard deviation or 68% of sample distribution)
Display Resolution: 1 bpm
Oxygen sensor:
Range: 1 - 100% oxygen
Accuracy: Less than +/- 1.0% oxygen at constant temperature and pressure
(when calibrated in air and 100% oxygen)
Resolution: 0.1% oxygen
Output range: User programmable for altitude / oxygen concentration and duration at each step
Altitude range: 0 ft (21% oxygen) to 34,000 ft (4.4% oxygen)
Incremental adjustment of altitude: 1 foot
Maximum ascent/descent rate: 60,000 feet per minute
Minimum ascent/descent rate: 1 foot per minute
Breathing mask connector: MS 22058-2
Dimensions:
Height: 12.0" (30.48 cm)
Width: 17.5" (44.45 cm)
Length: 23.5" (59.69 cm)
Weight: 55 lbs (20.4 kg)
Electrical Requirements:
Voltage: 110-240 VAC (+/- 10%), 50/60 HZ
Power consumption: 55 watts
Performance Temperatures:
15° C to 35° C
Storage Temperature Range
-10° C to 50° C
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