RPE and Drägaer PSS 7000 Flashcards
What is caused by heat stress
Deterioration in co-ordination, manipulation, visual skills and reasoning
What is the bodyguard 7000
A visual and audible monitoring and alarm system
How much does the Drägaer PSS 7000 weigh
15.5 kg
What is a chronic respiratory risk?
A risk that might produce a longer term risk to health, but not immediate
What are the indicators of heat cramps
Flushed moist skin.
Painfull cramps, especially in the legs
Where would you find the BA control entry tally
Secured to the bodyguard key
What are the features of the Drägaer PSS 7000 face mask
A scratch resistant polycarbonate visor 5 strap adjustable harness Neck strap Inner mast (prevents misting) It is dual purpose, and can be connected to a respirator
What is the length of the Time Of Warning
12 minutes
At what point will the pneumatic low pressure whistle operate
At 74 bar (+/-5 bar)
What information is visible on the display of the bodyguard 7000
The bar pressure of the cylinder, and how much time is remaining
What is the Drägaer PSS 7000 standard breathing duration
31 minutes at 50 litres per minute
What percentage of oxygen and carbon dioxide are inhaled
o2 21%
Co2 0.04%
What does RPE stand for
Respiratory Protective Equipment
What are heat cramps
The earliest indicator of heat stress. Muscular contractions caused by salt loss in perspiration
What is the DSU
A manually operated Distress Signal Unit. This is activated by pressing the yellow button in the centre of the display
How long will the pneumatic low pressure whistle operate for
10 mins
What is the Quick Release Coupling (QRC)
A connection that allows the wearer to supply or receive air in an emergency
What is the PSS Merlin Telemetry Module
A battery powered unit with an integrated radio transmitter and receiver.
It is able to send and receive audible and visual alarms with the Entry Control Board
On the bodyguard 7000, when would the Time Of Warnning (TOW) be activated
When the pressure in the cylinder falls below 84 bar
What are the 4 ways that the human body dissapates heat
Radiation
Convection
Vaporisation
Evaporisation
What affects consumption rates
Physical exertion
Physical fitness
Physical stress
What is the purpose of the first stage reducer
To assist with the reduction of cylinder pressure from 300 bar to between 6-9 bar
What information is on the breathing apparatus tally
The brigade name The cylinder pressure The identification number The role Name of the wearer The Time Of entry
What percentage of oxygen and carbon dioxide are exhaled
o2 16%
Co2 4%
What type of apparatus set is the Drägaer PSS 7000
Self contained
Two stage
Open circuit
Positive pressure
Compressed
Air
Breathing apparatus set
What may affect the accuracy of the bodyguard 7000
High intensity magnetic fields, temporarily
What is the purpose of BA
To reduce the risk of respiratory problems to firefighters
What are the features of the Drägaer PSS 7000
Positive pressure, first breath activated
Speech diaphragm
Additional flow button
Stable air supply with low breathing resistance
What is an acute respiratory risk
A risk that would pose an immediate risk of injury or health if RPE is removed
What does the respiratory system do
Allows blood to be supplied with oxygen to deliver around the body (breathing)
What material is the Drägaer PSS 7000 made out of
An anti dermatitic rubber, with a double reflex seal
What is heat stroke
A medical emergency which needs prompt medical attention.
sweating and partial or complete loss of consciousness
How would you start the bodyguard 7000
Remove the key
What is heat exhaustion
Dehydration will give rise to thirst, fatigue, nausea and mental confusion.
Where can the first stage reducer be found
Mounted on the backplate
What does the lung demand valve (LDV) do
It supplies air at a breathable pressure to meet the demands of the wearer
When using the bodyguard 7000, what is the period of time with no movement before the ‘pre-alarm’ sounds
30 seconds. If movement is detected within a further 15 seconds, the alarm will be cancelled.
How would you cancel the ADSU alarm on the bodyguard 7000
Movement will trigger its motion sensor and cancel it. The bodyguard key could also be inserted
At 84 bar, when the ‘time of warning’ begins, for how long will the wearer be supplied with air
Approximately 12 mins
What is the length of time that the low pressure warning whistle will sound for (74 +/-5 bar)
10 mins
How is the Merlin telemetry module powered
By a rechargeable battery located in the backplate
How many preset height settings are available in the harness
3
What are the two things that can be attached to the D ring on the waist belt of a BA set
A personal line, and a Guideline
What is the purpose of the inner mask in the dual purpose face mask
Reduce the build up of carbon dioxide
prevent fogging on the visor
Once the low battery signal has activated, how long can a BA set be used for
2 hours
