|A Volumetric portable Air Sampler weighing only 590 g
for collecting airborne particle matter directly on to
glass slides. Designed for short-term sampling in
domestic or industrial environments particularly where no
power supplies are available. The impaction orifice is
mounted in the vertical plane and the instrument operates
at a nominal air throughput of 10 litres per minute.
Powered by a high precision DC motor the sampler is
available for mains or battery operation and completely
safe in domestic or hazardous areas.
Changing of the glass slide is quick and simple through the knurled upper ring which can be rotated to the 'open' position marked by the alignment of the RED dots. Standard 76 x 26 mm or 3 x l inch glass slides can be accommodated.
Where rechargeable Nickel Cadmium cells are required a connection socket is fitted on the side of the instrument for charging from an external source. The base of the device bears an 'on-off' switch and interval timer enabling operation time to be selected for 1-9 minutes. When the selector is set to '0' the turbine runs continuously. The 700 mAh nickel cadmium batteries supply a fully compensating electronic control circuit to ensure correct motor speed so long as voltage is adequate.
|A red LED indicator fitted in the front
of the base flashes when the sampler is running and
indicates that air flow is correct. At the end of the
timed cycle the flashing LED stops but the audible bleep
will sound every 4 seconds indicating that the test is
successfully completed but the switch should now be moved
to the 'off' position. An intermittent audible bleep
sounds when the batteries need recharging but airflow is
still correct. Should the LED show red and the alarm
sound continuously then the instrument should be switched
off because the voltage is inadequate.
Construction and Equipment Details
Manufactured from high quality materials, this sampler is designed for trouble free operation. The finest Swiss DC motors are selected using precious metal brushgear. Lightweight aluminium and plastic construction makes it convenient for use in remote or confined areas.
The following equipment is supplied as standard: Mains adapter for recharging the NiCad batteries at a controlled rate. An alternative mains adapter will be supplied when the sampler is required for continuous use and NiCad batteries are not fitted. When ordering please state voltage and model required.
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© Burkard Manufacturing Co. Ltd., 7 January, 2001