Process Calibration Tools Catalog EN

APPLICATION SELECTION GUIDE Model number 754 721/ 721Ex 719 Pro 719 718 717 700G 3130 2700G Deadweight 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