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P & I Design Ltd.
Instrument Specification
CLIENT:
REV DATE
BY
CHKD
APPD
CLIENT REF.
Simon Storage
A 24/09/97 MS
DRR
DRR
Fluorobenzene
Tyne Terminal
B 13/10/97 PJP
DRR
DRR
P & I REF.
SI347001.SPC
SHT
1
OF
2
ITEM:
Level Transmitter
(Micro Wave)
GENERAL
Tag Number
P24
Service
Fluorobenzene Tank 24 Level
Area Classification
Zone 1 IIB T4
DETECTOR
Type
FM synthesised pulse reflectometer
ELEMENT
Location Classification
Zone 1
Material :
Wetted Parts
316 St. St. PTFE coated
Seals
N/A
Connections:
Size
Manufacturer Standard
B
Type
Flanged ANSI 150
Rating
7 Bar
Mounting:
Position
Top
Antenna Dimensions
Manufacturer Standard (Floating Deck)
Measuring Range
0.5 to 40 metres
Span Limits
0.5 to 40 metres
Resolution
+/- 1mm
Calibrated Range
0 - 10.7 metres (to be site calibrated)
HOUSING
Material
Cast Aluminium
Enclosure Class
IP65
Electrical Classification
EEx’d’ IIC T6
Electrical Connection
Flying lead into Enraf supplied Junction Box
TRANSMISSION
Type
EEx’d’ Indicating Control Unit
Supply
240V ac
Output
Serial, ASCII coded, Bi-Phase Mark modulated
Load (Max)
N/A Standard ENRAF fieldbus
Electrical Connection
5 off ¾” NPT
Electrical Classification
EEx’d’ IIC T6
OPTIONS
2 off volt free alarms (Low & High)
EEx’d’ Junction Box
PROCESS
Fluid
Fluorobenzene
DATA
Temperature Max./Min.
20°C
Temperature Normal.
20°C
Pressure Max./Min.
Atmospheric
Pressure Normal.
Atmospheric
Dielectric Constant Min.
N/A
MANUFACTURERS
Supplier
Enraf
DATA
Model Number
TBA
DOCUMENTATION
See Attached Documentation Specification
LT#-MWA1.SPC