APPLICATION SELECTION GUIDE
Model number
754
721/
721Ex
719
Pro 719 718 717 700G 3130 2700G
Dead-
weight
Testers
Application
Calibrating pressure transmitters
(field)
•
•
Ideal
•
•
•
•
Calibrating pressure transmitters
(bench)
•
•
•
•
•
•
Ideal
•
Calibrating HART Smart transmitters
Ideal
Documenting pressure transmitter
calibrations
Ideal
Testing pressure switches
in the field
Ideal
•
•
•
•
•
•
Testing pressure switches
on the bench
•
•
•
•
•
•
Ideal
Documenting pressure switch tests
Ideal
Testing pressure switches
with live (voltage) contacts
Ideal
Gas custody transfer computer tests
•
Ideal
•
Verifying process pressure gauges
(field)
Ideal
•
•
•
•
•
•
Verifying process pressure gauges
(bench)
•
•
•
•
•
•
•
•
Ideal
Logging pressure measurements
•
Ideal
•
Testing pressure devices
using a reference gauge
Ideal
Hydrostatic vessel testing
Ideal
Leak testing
(pressure measurement logging)
•
Ideal
Products noted as “Ideal” are those best suited to a specific task.
Model 754 requires the correct range 750P pressure module for pressure testing.
Model 753 can be used for the same applications as model 754 except for HART device calibration.
Model 725 and 726 can be used for the same applications as model 753 except for documenting and live contact testing of switches.
INTRODUCTION
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.
Process pressure instruments are often installed in harsh operating environments
causing their performance to shift or change over time. To keep these devices operating
within expected limits requires periodic verification, maintenance and calibration.
There is no one size fits all pressure test tool that meets the requirements of all users
performing pressure instrument maintenance.
25
Pressure Applications