An exactly adjustable carrier gas stream (normally air) is loaded with
mercury in a first step
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An
exactly adjustable carrier gas stream (normally air) is loaded with mercury in
a first step. In a second step the gas is supersaturated by cooling. Subsequently
the excess mercury is condensed in a special cell to get exactly saturation. The
gas is then diluted, the dilution ratio is continuously adjustable that final
concentrations within the specified range can be obtained. The flow regulators
and displays are mounted onto the front panel and are easily accessable. For
mobile use the aluminium case has two carrying handles. The mercury containers
are mounted inside of the case. The quantity of mercury is sufficient for the
whole life time of the calibrator.
Using
the MC-3000 is easy:
The device is placed on a flat surface and connected to the carrier gas source,
for example a compressed air line. A portable air pump with a tank is delivered
as an accessory. The MC-3000 is then switched on and the desired dilution ratio
is selected according to a table which comes together with the calibrator. After
waiting for about 30 minutes for stabilizing the saturation temperature is read
from the display and the concentration is calculated from the table.
?? Generates elemental
mercury vapor
?? ca. 10 ... 500 ?g/m3
Hg?
?? Compact sized and
portable
?? No permeation
principle - no need to calibrate the calibrator
?? Microprozessor controlled