Operating Environment - Hach DR 3900 Manual Básico Del Usuario

Operating environment

Note the following points so that the instrument will operate perfectly and
have a long service life.
• Place the instrument firmly on an even surface. Do not push any
objects under the instrument.
• The ambient temperature must be 10–40 °C (50–104 °F).
• The relative humidity should be less than 80%; moisture should not
condense on the instrument.
• Leave at least a 15 cm clearance at the top and on all sides for air
circulation, to avoid overheating of electrical parts.
• Do not operate or store the instrument in extremely dusty, humid or
wet locations.
• Keep the surface of the instrument, the cell compartment and all
accessories clean and dry at all times. Immediately remove
splashes or spilt materials on or in the instrument.
N O T I C E
Protect the instrument from extreme temperatures from heaters, direct sunlight
and other heat sources.
English 7