Don't expose the instrument to low / high temperature and sun light for long time, to avoid LCD losing effectiveness.
Because the instrument is very precise, prevent it from violent shock.
To avoid damage, don't disassemble and assemble the instrument or change the inner circuit and parts.
Zero-setting should be implemented strictly according to instruction.
Be sure to clean the prism surface and window of stage before and after every measurement.
To avoid accuracy loss by evaporation, be sure to implement measurement immediately after dripping solution on
window of stage.
It can cause wrong results if measured under low voltage.
Don't use the instrument in a humid and corrosive environment.
Prevent the liquid from entering into battery house.
Don't use it under the strong light (as sunlight, lamp etc.). |