Reference Manual
00809-0100-4731, Rev FA
4/16/03
APEX
™
and APEX Sentry
™
Radar Gauge
www.rosemount.com
Index
A
AC Wiring . . . . . . . . . . . . . . 2-29
Access Requirements . . . . . . 2-20
Alarm
messages
. . . . . . . . . . . . 4-3
modes . . . . . . . . . . . . . 2-22
Alignment of Window . . . . . . 2-17
Antenna . . . . . . . . . . . . . . . . 1-5
APEX Radar Gauge
architecture
. . . . . . . . . . . 1-6
components . . . . . . . . . . 1-5
description . . . . . . . . . . . 1-3
wiring . . . . . . . . . . . . . . 2-24
ATEX directive . . . . . . . . . . . . B-1
B
Basic setup . . . . . . . . . . . . . 3-21
Beam
angle . . . . . . . . . . 2-15, A-3
C
Cable Selection . . . . . . . . . . 2-24
Cables, Floats, Baffles, or Trays 2-9
Canadian Standards Association
approval
. . . . . . . . . . . . . B-2
Center Window . . . . . . . . . . 2-17
Certifications
ATEX directive
. . . . . . . . B-1
Electro magnetic compatibility B-2
Pressure equipment directive B-1
Changing Density . . . . . . . . . . 2-6
Clearances . . . . . . . . . . . . . 2-20
Coating . . . . . . . . . . . . . . . . . 2-7
Commissioning
HART protocol
AMS
. . . . . . . . . . . 3-15
HART Communicator 3-15
Components . . . . . . . . . . . . . 1-5
Condensate . . . . . . . . . . . . . . 2-7
Configuration
saving changes
. . . . . . . 3-15
setting the 20 mA calibration 3-14
setting the 4 mA calibration 3-13
setting the display units . 3-11
setting the output units . . 3-11
setting the reference height 3-12
using the integral display 2-33
Corrosive Process . . . . . . . . . 2-7
D
DC Power Supply . . . . . . . . 2-25
DC Wiring 2-25, 2-26, 2-27, 2-29,
2-33
Diagrams
Bench hook-up . . . . . . . 3-17
Field hook-up . . . . . . . . 3-17
Dielectric Constant . . . . . . . . 2-5
Dish-Bottom Tanks . . . . . . . . 3-4
E
Electro magnetic compatibility . B-2
EMC . . . . . . . . . . . . . . . . . . B-2
Empty Tank . . . . . . . . . . . 3-4, 4-6
Empty Tank Detection . . . . . . 3-4
Environmental
issues . . . . . . . . . . . . . . 4-2
Error Messages . . . . . . . . . . . 4-4
European Pressure Equipment Direc-
tive . . . . . . . . . . . . . . . . . . . B-1
Exiting the Main Menu . . . . . 3-15
Exposure to Radar Signal . . . . 1-7
External Power Shut-off Switch 2-24
F
Factory Configuration . . . . . . 2-19
Factory Mutual
approval
. . . . . . . . . . . . . B-2
Failure mode . . . . . . . . . . . . 2-22
Field configuration. See Configuration
Flange Size
. . . . . . . . 2-20, 2-21
Foam . . . . . . . . . . . . . . . . . . 2-6
4-wire RTD . . . . . . . . . . . . . 2-32
4–20 mA
downscale . . . . . . . . . . 2-22
Fuse Size and Type
AC power supply
. . . . . . 2-29
DC power supply . . . . . 2-26
G
Gauge Housing . . . . . . . . . . . 1-5
Grounding
gauge housing
. . . . . . . .2-23
H
Hardware . . . . . . . . . . . . . . .3-18
HART Communicator . . . . . . . 4-7
connections . . . . . . . . . .3-18
connections and hardware 3-18
hardware . . . . . . . . . . . . 3-18
Hazardous Locations . . . . . .2-25
Heating Coils and Agitators . . .2-9
Housing Rotation . . . . 2-21, 4-10
Hybrid . . . . . . . . . . . . . 1-7, 2-31
I
Inlet Pipes or Flows . . . . . . . . 2-10
Installation . . . . . . . . . . . . . . .2-1
considerations
cables, floats, baffles, or trays
3-6
changing density, tempera-
ture, or pressure
2-6
dielectric constant . . .2-5
foam and vapors . . . .2-6
heating coils and agitators
2-9
inlet pipes or flows . . 2-10
Installation Category II 2-5
mounting . . . . . . . . .2-20
Overvoltage Category 2-5
pollution . . . . . . . . . .2-5
process characteristics 2-5
reference height . . . .3-2
turbulence or vortices .2-6
vessel characteristics .2-5
wall clearance, nozzle, or
standoff . . .2-20
steps . . . . . . . . . . . . . . . .2-3
with a process window . . 2-18
without process window .2-16
Installation Category . . . . . . . .2-5
Installation Considerations
Selecting The Right Radar Gauge
1-4
Integral Display
setting the 4 mA calibration 3-13
setting the display units . .3-11
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