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Air Respirators, your questions answered

Air Respirators, your questions answered
  Frequently asked questions regarding air respirators.
     
RELATED VIDEOS
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AIRSHIELD & AIR/PRO COSHH Card
 

AIR/PRO and ear defender fit

AIR/PRO and ear defender fit
  Q. Are there instances where the AIR/PRO will not have a good fit on a user?

A. The AIR/PRO is designed to suit about 95% of users head sizes. There will be some cases where the user will not get a comfortable fit with the unit, this can also be the case when using the clip-on ear defenders. In this case an alternative will need to be considered.


     

AIR/PRO maintenance

AIR/PRO maintenance
  Q: What is the maintenance frequency for the AIR/PRO?

A: Clean internally and externally daily, visual inspection daily, charge battery pack daily, functional test daily, weekly and monthly. Dust from wood, grain, and cement may suit more frequent replacement of the filters. No filter should be left in the AIR/PRO for more than one month if in daily use or three months if used infrequently. A COSHH maintenance and record card is available on our downloads page.


     

AIR/PRO visor material

AIR/PRO visor material
  Q: What is the plastic used on the AIR/PRO visor?

A:The visor is made from polycarbonate plastic.

     

Airshield battery

Airshield battery
  Q: How long does the battery last in the Airshield?

A: When fully charged the battery will give four hours of continuous use. The battery when coming to the end of its cycle will have a reduced flow rate but will give adequate protection. The battery can be charged quite safely in excess of 300 times.
     

Airshield Battery Charge Time

Airshield Battery Charge Time
  Q: What is the charge time for a new battery for the Airshield?

A: New battery charge time is 24 hours.

     

Airshield Battery Construction

Airshield Battery Construction
  Q: What is the construction of the batteries for the Airshield and do they have a memory?

A: The batteries used are nickel cadmium and providing the charge and discharge cycles are observed the batteries will have no memory effect.
     

Airshield Battery Voltage

Airshield Battery Voltage
  Q: What is the voltage of the battery in the Airshield?

A: The Airshield battery voltage is 3.6 volt. The battery has three 1.2 volt cells in series. Spare batterys are available, part number is AIR/4.
     

Airshield Battery Voltage Rating

Airshield Battery Voltage Rating
  Q: What is the voltage and milli ampere rating on the Airshield battery?

A: The Airshield battery is made up of three cells in series. Each cell is 1.2V and 950mAh. The battery is 4.6 volt.
     

Airshield Charger Output

Airshield Charger Output
  Q: What is the output for the charger for the Airshield?

A: The battery charger for the Airshield is 230 volt AC/DC, with an output of 4.35v DC.
The charger is for indoor use only, and is splash protected to IP20. Spare UK chargers can be ordered on part number AIR/5/UK. European chargers are part number AIR/5/EURO.
     

Airshield Face seal

Airshield Face seal
  Q: How do I know I have a proper seal around the face when using Airshield powered faceshield?

A: The face seal should be pulled in towards the face and away from the visor. Do not be overly worried about this. The Airshield is a powered visor and therefore the pressure inside the visor is greater than the exterior so it is not possible for dust to leak into the breathing zone.
     

Airshield & AIR/PRO filter

Airshield & AIR/PRO filter
  Q: How long can I keep a filter in the Airshield and AIR/PRO?

A: No filter should be left in the Airshield and AIR/PRO for more than one month if in daily use or three months if used infrequently.

     

Airshield Filter Efficiency

Airshield Filter Efficiency
  Q: What is the filter efficiency of the Airshield filter?

A: The Airshield filter is efficient to above 95% against particles of 0.3 micron size. The filters in Europe are tested against a mixture of particle size (they are not mono dispersed) according to EN143:1990.

The particle size distribution graph in EN143 which the Airshield is tested shows that 90% of the particles are 0.2 micron or smaller and 70% of the particles are 0.1 and smaller. The Airshield filter is therefore very efficient. With respect to particulate size the filter will filter down to below 0.03 microns.
     

Airshield Filter Life

Airshield Filter Life
  Q: How long does the filter last on the Trend Airshield?

A: This normally depends on the type of hazard and concentration of the airbourne particulate. Generally if the Airshield is used daily in a very dusty environment then the filter should be changed weekly. If used in a less dusty environment the filter will normally last one month. If used infrequently the filter should be changed every three months. By changing the pre-filter regulary it will extend the main filter life.
     

Airshield Noise Level

Airshield Noise Level
  Q: How noisy is the Airshield?

A: The Airshield is one of the quietest products in the marketplace and typically the noise level is below 70dB.

The workplace maximum level permitted is 80dB.
     

Airshield Recharge Time

Airshield Recharge Time
  Q: What is the recharge time for the Airshield battery?

A: The recharge time is 14 hours from fully discharged or 3.5 hours per hour usage time.
     

Airshield Visor

Airshield Visor
  Q: Does the visor mist up on the Airshield?

A: The Airshield has been designed so that the air flow passes over the face and over the inside of the visor and is exhaled through the vents rearwards. This ensures there is a flow of air over the face and prevents the visor from misting.
     

Airshield Visor Overlay

Airshield Visor Overlay
  Q: Why do I need to use a green visor overlay on the Airshield?

A: The green overlay is for anti-glare work when wearing the visor outside.
     

Airshield Weight

Airshield Weight
  Q: How heavy is the Airshield?

A: Typically the unit weighs 750 grammes, but the Airshield has been ergonomically designed to work for longer periods of time. In this respect the comfort of the headband and the balance of the unit are optimised for user comfort.

     

Airshield, Airace Filter Shelf Life

Airshield, Airace Filter Shelf Life
  Q: What is the shelf life for the filters for the Airshield and the Airace dust mask?

A: The shelf life for the Airshield THP2 filter is three years, and the Airace P2 filter is 2 years. The filters have a use by date printed on the sealed packaging. The filter packaging most not be opened until the filter is required as this will reduce the shelf life considerably.
     

Airshield Extra Charger

Airshield Extra Charger
  Q: Do I need to buy an extra charger when buying a second battery for my Airshield?

A: It is advisable to purchase a second charger (ref AIR/5/UK for a UK three pin plug or AIR/5/EURO for a European two pin plug). Two fully charger batteries should be fitted to the Airshield for 8 hour life, rather than one charged and one low charged battery, as this will lead to battery drain. As 14 hours is required to charge the battery, two chargers will allow both batteries to be charged overnight.
     

Airshield Filter Expiry

Airshield Filter Expiry
  Q: How do I know when the filter has expired in the Airshield?

A: During the pre-use check the flow indicator will alert you to either a low battery or a clogged filter. If the battery is charged and the red ball on the flow indicator is still not at the top of the tube, then this suggests the filter needs changing.
     

Protection given by Airshield Filter

Protection given by Airshield Filter
  Q: What protection does the THP 2 filter for the Airshield offer?

A: The THP 2 filter covers wood based carcinogenic dusts only.
     
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