Emerson Process Management 00809-0700-4530 Radar Detector User Manual


 
41
Reference Manual
00809-0700-4530, Rev AA
Section 3: Commissioning
September 2013
Commissioning
dynamically used to compensate for changes in vapor dielectric constant and eliminates the
need to do any compensation in the control system. To check if the DVC function is supported:
RRM > Device > Properties (If Vapor Compensation is mentioned in the Device Software
Configuration 2 list, the device supports vapor compensation).
Figure 3-4. Check if DVC is supported
NOTE:
Vapor compensation is supported for product level measurement mode only.
NOTE:
For the 3 in. (75 mm) and 4 in. (100 mm) flange DVC probes, coaxial HTHP equipped with a
reference reflector is the only probe that supports vapor compensation. The probe is marked
VC2 as shown in Figure 3-5.
Figure 3-5. HTHP with VC2 marking on the probe
Probes up to 13.1 ft (4 m) length are supported
Pipe / chamber is the only supported mounting type. Supported pipe inner diameters
are 2
(1)
, 3, and 4 in. (5, 7.5, and 10 cm)
PEP is disabled when vapor compensation is enabled
TNZ shall not be used when DVC is used
(1) A 3 or 4 in. (75 or 100 mm) diameter chamber is recommended as best practice, but the GWR can also be mounted in a 2 in.
(50 mm) chamber.
Vapor
Compensation
VC2 marking on
tank seal
(3 and 4 in. DVC
probes)
NOTE:
2 in. (50 mm) flange DVC
probes use a single rigid
HTHP style probe.
VC2 marking on
tank seal (2 in.
DVC probe)