Sechrist Industries: Hyperbaric Chamber Model 3300E

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Sechrist Products > Hyperbaric Oxygen Products > Sechrist 3300E

The Sechrist 3300E is derived from the Sechrist 3200, considered the industry gold standard since 1995. The new 3300E, available in 5 signature colors, incorporates an Electronic Control Module to control the compression rates and pressure, which has been clinically proven to consume up to 65% less oxygen than other chambers while reaching 100% oxygen saturations earlier in the treatment cycle.

Sechrist’s Oxygen Conservation System provides the following benefits:
1. Using the O₂ Conservation Mode, up to 65% less oxygen will be consumed per treatment compared to standard pneumatic chambers
2. Reduced oxygen supply requirements
3. 95% oxygen level within 10 minutes in the chamber at a minimum compression purge rate of 400L/min
4. Greatly reduced noise levels during the pressure plateau

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Hyperbaric Chamber Model 3300E

Sechrist’s Oxygen Conservation Mode significantly reduces the amount of oxygen consumed during a treatment. A monoplace hyperbaric oxygen treatment that begins under ambient air conditions requires a high oxygen flow in order to eliminate the presence of nitrogen within the chamber. Once the nitrogen has been purged from the chamber and the internal oxygen concentration has exceeded 95%, high flows are no longer needed to maintain the patient’s saturation level. The Sechrist 3600E automatically switches from an initial high flow nitrogen purge rate system to a lower ventilation flow during the plateau stage of the treatment. Using a lower sustaining purge flow can allow savings of up to 65% of the oxygen that would normally be consumed. The lower sustaining flow also provides the benefit of lower noise levels for the patient.

Sechrist Comfort Profile compresses the chamber at a variable rate that allows more comfortable ear pressure equalization.
The Sechrist Comfort Profile automatically adjusts the compression rate throughout the compression phase of a treatment cycle - the first one-third of the compression phase. The slower compression rate allows the patient to accommodate for initial changes in inner-ear pressure gradually. The Comfort Profile then smoothly ramps up the rate to reach the desired Pressure Set. This method allows for maximum patient saturation exposure without exposure to possibly discomforting compression rates.
Safe State
The Electronic Control Module provides additional unique safety features. In the unlikely event that any of the electronic or pneumatic systems fail, the ECM will automatically create a Safe State environment. This Safe State, announced by audible and visual alarm indicators, will terminate the treatment and safely decompress the chamber at the purge flow rate in effect at the time of the safe state condition. In addition, the ECM monitors the system for safe operation and will alert the operator to any unusual operating characteristics or system errors.

TECHNICAL SPECIFICATIONS

Internal Diameter:
32.50 inches (0.83 m)

Internal Length:
90.00 inches (2.29 m)

External Length:
102.90 inches (2.61 m)

External Height:
57.50 inches (1.46 m)

External Width:
46.00 inches (1.17 m)

Chamber Weight:
2,030 pounds (923 kg)

Compatible Patient Stretcher Dimensions:
30.5 inches (77.5 cm) wide by 91.5 inches (232.4 cm) long

Supported Patient Weight:
500 pounds (180 kg) maximum

Maximum Operating Pressure:
30.0 pounds/square inch gauge (psig).
3.04 atmospheres absolute (ATA).
0.207 megapascal (MPa).
206.8 kilopascal (kPa).

ENVIRONMENTAL CONDITIONS

Operating Temperature:
50° to 100° F (10° to 38° C).

Storage and Transportation:
Temperature: 32° to 113° F (0° to 45° C).
Atmospheric Pressure: 7.3 to 15.4 psi
(500 to 1060 hPa)
Relative Humidity: 10 to 100%,
including condensation

Supply Pressure:
45.0 to 70.0 psig
Purge Rate (compression phase):
300 to 400 liters per minute (lpm)
(at a chamber pressure of 15 psig).

Purge Rate (plateau phase):
80 to 400 liters per minute (lpm)
(at a chamber pressure of 15 psig).

Emergency Vent Rate:
Chamber pressure < 0.5 psig,
achieved in < 90 seconds

Relief Valves:
Two; set at 35.0 psig