3.2
Environmental Conditions
Although the instrument has been designed for optimum durability and trou-
ble-free operation, it must be handled with care. The instrument should not be
operated in an excessively dusty or dirty environment. Maintenance and clean-
ing recommendations can be found in the Maintenance Section of this manual.
The instrument operates safely under the following conditions:
•
temperature range: 5–40°C (41–104°F)
•
ambient relative humidity: maximum 80% for temperatures < 31°C de-
creasing linearly to 50% at 40°
•
pressure: 75kPa - 106kPa
•
mains voltage within ± 10% of nominal
•
vibrations in the calibration environment should be minimized
•
altitude less than 2,000 meters
•
indoor use only
6331 Calibration Bath
User’s Guide
10