GE DigitalFlow GS868, Руководство для стартапов

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March 2008
4-4 Specifications
Operational
The operational specifications for the Model GS868 flowmeter are
divided into the following categories:
Flow Computer (Built-in)
The flow computer has three operating modes:
1.
RUN (Normal operating mode):
Flow velocity equations are solved and statistical data rejection
techniques are employed to provide reliable and repeatable results.
2.
PARAMETER:
Allows the operator to program the meter.
3.
DIAGNOSTIC:
Allows the operator to calibrate inputs and outputs and to display
certain diagnostic information such as checksums, signal strength,
calculated gas sound speed, etc.
Data Logging
Keypad-programmable for setting up log units, update interval, start
and stop times. Memory capacity for more than 43,000 flow data
points in a linear or circular log.
Display Functions
Liquid crystal graphic display shows flow in numeric or graphic
format. Also displays logged data and diagnostics.
Printer Signal Output
Supports wide variety of thermal and impact printers. Output data in
numeric or graphic (“strip chart”) format.
Transducer
The transducer specifications for the Model GS868 flowmeter are
divided into the following categories:
Type
Standard: T9
Optional: BWT™ System
Temperature Range
–190° to 450°C (–310° to 842°F) (overall)
Pressure Ranges
Standard: 0 to 2700 psig (1 to 187 bar)
Optional: 3480 psig (240 bar) maximum
Materials
Standard: Stainless steel, titanium
Optional: Monel
®
, Hastalloy
®
Connections
Cable Length:
Up to 1000 ft (300 m)