Are there any special requirements for the working environment of the precious metal testing instruments? There are still some small demands. For example, some conditions such as temperature and humidity, etc., in order to prolong the service life of the instrument, the service life of the accessories and the most precious metal's normal use environment require some relative knowledge to be very necessary.

1、The special person is responsible for the operation and maintenance of the instrument.

2、In the absence of electromagnetic interference in the environment test, such as the instrument can not have high power motor, electric welding machine and so on.

3、It is suggested that the UPS (power supply regulator) be used.

4、Keep the instrument clean and dry.

5、Please don't put the instrument in an environment that is too dirty or too hot and too cold.

6、Please do not repair the instrument by yourself.

7、After the test, please close the lid to avoid the pollution of the instrument.

8、Temperature requirement: between -11 and 46.

9、Voltage requirements: 100 to 127V or 220 ~ 240V, 50/60Hz

10、Humidity: 0-60% is suitable