7 Maintenance and Calibration
The Tracerco T401 is a portable Contamination Monitor which incorporates many design features which are
based on Tracerco’s 40-years of global experience in the measurement of radiation in a wide
range of industrial and laboratory environments.
The monitor has been designed for reliable operation in relatively hostile environments and should
provide many years of effective service provided attention is paid to basic operational maintenance.
7.1 Battery Replacement
The condition of the battery is constantly monitored. Normal battery life is approximately 100-hours
for continuous or intermittent operation. With about 4 hours of battery life left, a “LO BATT” warning appears
on screen. When the battery power is too low for safe operation, the screen will blank.
The internal battery compartment is clearly identified but is located under the skid which holds the
probe and cable. This has to be removed (3 screws) to access the battery compartment. We would
recommend replacement battery of the type Duracell MX1 604 Alkaline Manganese or MN1604
Alkaline Manganese.
The battery cover can be removed by unscrewing the single retaining screw at the base. The gasket
seal is attached to the inner face of the cover. Care should be exercised not to damage this seal
or introduce contamination into the battery compartment.
7.2 General Maintenance
The liquid crystal display screen is sealed within the upper section of the case which provides a
robust, leak-tight fitting. The bargraph display has been specially selected for reliability in the field and the case
is constructed from a lightweight impact and chemical resistant polymer.
The only routine maintenance which is recommended is mild cleaning of the case and display to
prevent the build-up of grease and other potential contaminants.
Do not use solvents on the window.
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