Precautions before use:

1) The weight of the densimeter must be re-calibrated before use and after moving the position.

Tips:

▼To ensure the accuracy of the measurement data, please prepare alcohol (alcohol

95% purity is better)

▼This machine is a precision measuring instrument, so you must be careful during the operation.

▼Remove and install the windshield, and place the hydrometer in it. (Avoid the influence of outside wind)

Attention when using:

1) Please don't put the measurement object containing static electricity directly on the hydrometer for measurement, otherwise it will affect the measurement result.

2) During operation, please handle it carefully and place the measuring object in the center of the measuring table.

3) During the measurement process, the objects placed on the hanging rail must be completely immersed in the water, and ensure that there are no bubbles on the surface of the sample being tested.

4) Do not use sharp objects, directly touch the keys.

5) Before each measurement, press the ZERO key to return to zero to avoid measurement errors.

Special attention items:

1) Prevent the machine from being hit and dropped.

2) Do not disassemble the instrument by yourself.

3) Do not use organic solvents to wipe the machine.

4) Avoid dust and water from leaking into the inside of the machine

5) Don't overload it.

6) If you do not use it for a long time, please unplug the power supply, and remove the measuring table and sink.