EN Safety Requirements conduction due to condensation may sometimes occur. For example, general indoor environment. Pollution level 3: Conductive pollution occurs, or dry non-conductive pollution becomes conductive due to condensation. For example, an outdoor environment with a canopy. Pollution level 4: Permanent conductive pollution through conductive dust, rain, or snow. For example, outdoor places. Security level Level 1 - Grounded products 1.5 Maintenance and Cleaning Maintenance Do not expose the LCD to direct sunlight for a long time when storing or placing the instrument. Cleaning Check the instrument frequently as required by the operating conditions.
Clean the outer surface of the instrument according to the following steps: 1)Use lint-free cloth to remove floating dust outside the instrument. Please be careful to avoid scratching the smooth display. 2) Clean the instrument with a soft cloth soaked in water. For a more thorough cleaning, use an aqueous solution of 75% isopropyl alcohol. Note: To avoid damaging the surface of the instrument, do not use any corrosive reagent or chemical cleaning reagent. Warning: Before powering on again, ensure that the device is dry enough to avoid electrical short circuit or personal injury caused by moisture.
1.6 Environmental Considerations The following symbol indicates that the product complies with WEEE Directive Copyright Qingdao Hantek Electronics Co., LTD HTM200 user manual 5