use of drager pump tubes
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Use of Drager Pump & Tubes. Preparation . Pump Leak Test. Insert unopened tube into the socket Squeeze pump completely and release Pump is adequately leak-proof if the end-of-stroke volume indicator has not appeared after 15 minutes Remove tube from socket

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Presentation Transcript
pump leak test
Pump Leak Test
  • Insert unopened tube into the socket
  • Squeeze pump completely and release
  • Pump is adequately leak-proof if the end-of-stroke volume indicator has not appeared after 15 minutes
  • Remove tube from socket
  • Press button to reset counter to zero
preparing the tube
Preparing the Tube
  • Select tube for the measurement required.
  • Follow instructions for use (tube).
  • Insert tip in opening on the lower pump plate; keep it pressed against the ceramic edge while turning it, so that the glass is scored.
preparing the tube5
Preparing the Tube
  • Pull tube over at an angle until the tip breaks off.
  • Discard broken tip.
  • Open other end of tube in the same way.
  • Insert tube into pump, the arrow must point towards the pump.
making a measurement
Making a Measurement
  • Check number of strokes required for the tube.
  • Put forefinger and ringfinger in the middle of the lower pump plate and squeeze completely.
  • Release pump.
  • Evaluate the result.
  • Remove used tube from socket.
  • Flush pump.
carbon dioxide tubes
Carbon Dioxide Tubes
  • Determination of CO2 in air
  • Measuring range – 100 to 3000ppm
  • Number of strokes – 10
  • Time of measurement – approx. 4 mins
  • Colour change – white to violet
carbon dioxide

Carbon Dioxide

(Simple Asphyxiants)

acute effects
Acute Effects
  • Rapid loss of consciousness
  • Coma
  • Anoxic brain injury
chronic effects
Chronic Effects
  • Residual anoxic injury
exposure limits
Exposure Limits
  • Atmospheric oxygen should > 18% at normal barometric pressure
general considerations
General Considerations
  • Asphyxiants gases are those inhalants that act predominantly by oxygen deprivation.
  • This may occur by simply displacing oxygen from inspired air.
occupational environmental exposure
Occupational & Environmental Exposure
  • One of confined space exposure (storage tanks or mines)
  • Product of combustion and fermentation processes.
  • Natural volcanic lake release
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