Ceyear 87230 Series, Quick Start Manual

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2 Preparation before use
2.2 Routine Maintenance
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wipe off its inside;
Step 3. Do not use chemical detergents, such as alcohol, acetone or diluted detergent.
2.2.2 Maintenance of testing port
The 87230 series USB CW power sensor has a USB cable connector and a microwave power signal
input port. If the connector is damaged or there is dust inside, the RF wave band test results will be
affected; therefore, please observe the following methods for maintenance of such connector:

Connectors shall be kept clean and away from dust;

To prevent ESD, do not directly contact the connector surface;

Do not use damaged connector;

Clean connectors with a dryer, and do not grind the surface with a tool like abrasive paper.