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Fluke 719 Pro [12/32] Gas custody transfer flow computer calibration
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12
Suggested test tools
Gas custody transfer flow
computer calibration
Gas custody transfer flow computers that calculate
flow in pipelines by measuring the differential
pressure across a flow restriction, such as an
orifice plate or other differential pressure flow
device, require special calibration to perform at
optimum accuracy. Gas flow computers make
three primary measurements to calculate flow:
volumetric flow (difference in pressure across the
orifice plate), static pressure in a pipeline and gas
temperature. A calculation is performed using this
data to determine the actual mass and volume of
the gas flowing through the pipeline.
These calibrations can be made with three
separate calibrators, a low pressure, high pressure
and a temperature calibrator or use a multifunction
calibration tool designed for this specific task.
An example of a calibrator purposed for this
task is the Fluke 721 or 721Ex. It has two built-
in pressure ranges and the ability to measure
temperature. The most popular configuration is
16 psi/1 bar on the low pressure (P1) sensor side
and 1500/100 bar or 3000 psi/200 bar on the high
pressure (P2) sensor side. It measures temperature
using a precision RTD accessory and can display all
three measurements at once if desired.
Fluke 754
Documenting
Process
Calibrator-HART
See pg 23
Fluke 700G
Precision Pressure
Gauge Calibrator
See pg 26
Fluke 721
Precision Dual
Range Pressure
Calibrator
See pg 25
Fluke 750P Series
Pressure Modules
See pg 23
Содержание
- Application 2
- Application selection guide 2
- Causing their performance to shift or change over time to keep these devices operating within expected limits requires periodic verification maintenance and calibration 2
- Dead weight testers 2
- Introduction 2
- Model number 754 2
- Performing pressure instrument maintenance this brochure illustrates a number of methods and differentiated tools for calibrating and testing the most common process pressure instruments 2
- Pro 719 718 717 700g 3130 2700g 2
- Process pressure devices provide critical process measurement information to process plant s control systems the performance of process pressure instruments are often critical to optimizing operation of the plant or proper functioning of the plant s safety systems 2
- Process pressure instruments are often installed in harsh operating environments 2
- There is no one size fits all pressure test tool that meets the requirements of all users 2
- Applications 3
- Products 3
- Table of contents 3
- Calibrating a hart smart pressure transmitter 4
- Suggested test tools 4
- Additional resources 5
- Tech tips 5
- To perform the test 5
- Pressure transmitter calibration at the bench 6
- Suggested test tools 6
- Additional resources 7
- Tech tips 7
- To perform the test 7
- Pressure switch testing manual approach 8
- Suggested test tools 8
- Calculation 9
- Falling pressure 9
- Rising pressure 9
- Tech tips 9
- To perform the test 9
- Pressure switch testing documented pressure switch testing documented 10
- Suggested test tools 10
- Additional resources 11
- Tech tips 11
- To perform the test 11
- Gas custody transfer flow computer calibration 12
- Suggested test tools 12
- Additional resources 13
- Tech tips 13
- To perform the test 13
- Suggested test tools 14
- Verifying process gauges analog and digital 14
- Additional resources 15
- Tech tips 15
- To perform the test 15
- Calibrating at the bench with a deadweight tester 16
- Suggested test tools 16
- Using liquid using gas 16
- Additional resources 17
- Tech tips 17
- To perform the test 17
- Calibrating at the bench with a pressure comparator 18
- Suggested test tools 18
- Using liquid using gas 18
- Additional resources 19
- Tech tips 19
- To perform the test 19
- Suggested test tools 20
- Use and selection of hand pumps and pressure test gauges for field pressure testing 20
- Additional resources 21
- Tech tips 21
- To perform the test 21
- Models 22
- Pick the right pressure tool for you 22
- Pressure tools selection guide 22
- Test tools 22
- Fluke 750p series pressure modules 23
- Fluke 754 documenting process calibrator hart 23
- And pressure switches at the bench or in 24
- Fluke 719pro electric pressure calibrator 24
- Portable pressure calibrator 24
- Pressure supply for fast calibration with larger volumes built in electrical measurement capability and rugged carrying case makes it ideal for calibrating 24
- Pressure transmitters 24
- The field 24
- Use the internal pump for easy pressure or 24
- Vacuum generation or connect to an external 24
- Fluke 717 718 719 pressure calibrators 25
- Fluke 721 precision dual range pressure calibrators 25
- 15 psi 1 bar to 70 mpa 10 000 psi 700 bar 26
- Application coverage master gauge for comparison calibration check standard data logging 26
- Best in class performance to calibrate more gauges with less equipment 26
- Display and export of remotely logged data 26
- Each unit includes usb power adapter three aa alkaline batteries usb interface cable 1 4 bsp and m20 x 1 adap tors protective cover manual report of calibration 26
- Fluke 700g precision pressure gauge calibrator 26
- G series reference pressure gauges 26
- Key features easy to use rugged construction for reliable 26
- Measurement accuracy allows it to be used for a wide variety of applications combine with the 700ptpk or 700htpk pump kits for a complete portable pressure testing solution for up to 600 psi with the ptp 1 pneumatic pump and up to 10 000 psi with the htp 2 hydraulic pump combine with the p5510 p5513 p5514 or p5515 comparison test pumps for a complete bench top pressure calibration solution 26
- Performance 26
- Pressure gauges provide best in class measurement performance in a rugged easy to use economical package improved 26
- Summary specs accuracy to 0 2 of full scale precision pressure measurement from 100 kpa 26
- Test port is 1 4 npt male compatible with 700g track software for easy 26
- The 2700g reference 26
- Intrinsically safe pressure calibrators 27
- Deadweight tester selection guide 28
- Deadweight testers 28
- Hydraulic deadweight testers 28
- Pick the right deadweight tester for you 28
- Pneumatic deadweight testers 28
- P3000 pneumatic deadweight testers 29
- P3100 and p3200 hydraulic deadweight testers 29
- And 6532 electronic deadweight testers 30
- Pressure comparators 30
- Accessories 31
- Fluke keeping your world up and running 32
- Software 32
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