The nameplate of the low-pressure test chamber should be clear and durable, and fixed firmly. The nameplate of the low-pressure test chamber shall include:

　　1, product model, name;

　　2, product quality;

　　3, voltage, frequency and total power;

　　4, product serial number, date of manufacture;

　　 5. The name of the manufacturer of the low-pressure test chamber.

　　Note: The nameplate is also called the nameplate. The nameplate is installed on the machine, instrument, motor vehicle, etc., with the name, model, specification, date of manufacture, and manufacturer.