Hach EM950 Manual Básico Del Usuario página 19

Option Description
USB Sets the USB mode.
• Mass Storage (default)—This mode operates like a memory stick or hard
• CDC—This mode is used to update firmware.
Language Selects the language used in the menus.
Units Sets the units for velocity, flow and depth measurements. Options are Metric or
English (default).
Beeper On (default) or Off. If set to On, the meter makes an audible tone when:
• The sensor is at the correct depth for applicable profile methods.
• 95% of the measurement time is complete (profiler mode).
• An inactive button is pushed in any menu.
This feature is available only with the optional depth sensor.
Flow Selects the method of flow calculation for open water segment (stream profiles
calculation only). Options are Mean-section or Mid-section. Refer to the appendix in the
expanded version of the manual for more information.
Station entry
• Fixed—The operator puts in the width of the stream and the number of
• Non-fixed (default)—The operator selects the spacing between station
• Fixed and Non-fixed—The operator selects the reference plane for depth
Restore Sets all meter options to the factory default values.
defaults
4. Diagnostics— Select this option to troubleshoot problems with the meter or an attached sensor.
For more information about the Diagnostics options, refer to
Section 6 Startup and self-test
Chemical or biological hazards. If this instrument is used to monitor a treatment process
and/or chemical feed system for which there are regulatory limits and monitoring
requirements related to public health, public safety, food or beverage manufacture or
processing, it is the responsibility of the user of this instrument to know and abide by any
applicable regulation and to have sufficient and appropriate mechanisms in place for
compliance with applicable regulations in the event of malfunction of the instrument.
Fire and explosion hazards. Do not use or store the instrument in direct sunlight, near a
heat source or in high temperature environments such as a closed vehicle in direct
sunlight. Failure to take this precaution can make the battery overheat and cause a fire or
explosion.
The battery must be installed in the meter and charged before use. For more information about
battery installation and replacement, refer to
charge the battery, refer to
Note: The meter is not operational while the battery charges.
drive. Files are read-only.
stations for measurements. The meter divides the cross-section into evenly
spaced distances between the station verticals.
verticals. This is the more commonly used option as it lets the operator
include obstructions and other restrictions in the cross section.
measurements. Values: Top or Bottom.
D A N G E R
W A R N I N G
Install the battery
Charge the battery
Diagnostics
on page 11. For information on how to
on page 12.
on page 21.
English 19