Automatic calibration unit
The static calibration unit is meant for automatically calibrating the UT-3000 Mercury Ultratracer in natural gas monitoring systems for low to intermediate mercury concentrations.
Operating principle
The Mercury Instruments Automatic Calibration Unit consists of a specially designed mercury vessel containing elemental mercury of high purity, surrounded by an aluminium jacket cooled by a thermoelectric cooler. For automatic calibration a motor driven syringe extracts a defined volume of mercury saturated gas and feeds it to the UT-3000 Ultratracer.
The UT‘s microprocessor calculates the mercury concentration from temperature and volume of the calibration gas.
The temperature within the mercury vessel is measured by a high precision electronic sensor (PT 100).
Brochure
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