Reference Manual
00809-0100-4731, Rev FA
April 2003
APEX
™
and APEX Sentry
™
Radar Gauge
A-8
MATERIALS OF
CONSTRUCTION
APEX and APEX Sentry
• Electronics housing: aluminum alloy
• Finish: polyester-epoxy paint
• Antenna/flange assembly: 316L stainless steel
• Waveguide process barrier: alumina, PTFE
Mounting
Size See Table 2 below
Options APEX and APEX Sentry
• Model 751 Field Signal Indicator
• HART Communicator
• Isolation Windows
• Guaranteed start-up at -50 °C
• NAMUR-specified analog alarm limits
• Material Traceability Certifications available
• Calibration Certification
APEX only
• Digital integral display and operator interface
• RTD temperature sensor, assemblies, and accessories
• The APEX can also be used in conjunction with a Model 3201 HIU as part
of a hybrid system
APEX Sentry only
• Digital integral display
Standard Size Rating
ASME B.16 (ANSI) 2-in., 3-in., 4-in., 6-in. Class 150, 300
DIN DN 50, 80, 100, 150 PN 16, 40
TABLE 2. Size
Antenna Flange Size Flange Rating Dimensions
Height Width Depth
Example 1
(1)
2 in. 2 in. ASME B16.5 (ANSI) Class 150 14 in (356 mm) 8 in (203 mm) 8 in (203 mm)
Example 2
(1)
3 in. 3 in. ASME B16.5 (ANSI) Class 150 16.5 in (419 mm) 8 in (203 mm) 8 in (203 mm)
Example 3
(1)
4 in. 4 in. ASME B16.5 (ANSI) Class 150 18.5 in (470 mm) 9 in (229 mm) 9 in (229 mm)
(1) Other flange sizes and ratings available. Dimensions vary. Refer to Product Data Sheet
(Rosemount Document Number 00813-0100-4731)