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Alkaline batteries cannot be recharged. The instrument's internal circuit detects alkaline
batteries and will not allow recharging. If you place the instrument in its Charging cradle, the
alkaline battery will not be recharged. The internal charging circuit is designed to prevent
damage to alkaline batteries and the charging circuit when alkaline batteries are installed
inside the instrument. If you try to charge an alkaline battery installed in the instrument, the
instrument's display will say, "Alkaline Battery," indicating that it will not charge the alkaline
batteries.
Note: When replacing alkaline batteries, dispose of old ones properly.
External filter
Always use an external filter on the instrument. This prevents contaminants and
debris from clogging the sample pathway and protects the sensor from damage.
The external filter is made of PTFE (Teflon®) membrane with a 0.45 micron pore size to prevent
dust or other particles from being sucked into the sensor manifold, which would cause
extensive damage to the instrument. It prolongs the operating life of the sensor. To install the
external filter, simply connect it to the instrument's inlet tube.
Handheld PID Monitors
IMPORTANT!
WARNING
57
User Manual
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