Pressure instrument calibration is a significant part of the maintenance workload in process plants that require a high level of accuracy and repeatability. The Fluke 729 automatic pressure calibrator simplifies the calibration process by automatically pumping to the precise test pressure, improving calibration integrity by compensating for minor leaks. It automatically documents the pressure calibration process to meet compliance and regulatory requirements. 

Technicians simply input a target pressure and the calibrator automatically pumps to the desired set-point while the internal fine adjustment control stabilises the pressure at the requested value, delivering more accurate results and speeding up the calibration process. 

Fluke 729 features: 

• Automatic pressure generation and control for multiple tests to 300 psi, (20 bar, 2 MPa). Fill in a test template and the Fluke 729 automatically pumps to, and documents, a multiple-point pressure calibration test. 
• Easy calibration documentation using defined templates for transmitters and switches. Input the starting and ending test pressures and a number of test points and the calibrator documents the applied pressure, measured mA, and percentage error for each test point. The bright colour graphical display flags out tolerance test results in red. 
• HART communication enables mA output trim, trim to applied values and pressure zero trimming of HART pressure transmitters. Technicians can also perform light configuration tasks such as changing a transmitter tag, measurement units and ranging. 
• Measurement of mA signals on transmitter outputs and sourcing and simulation of mA signals for testing I/Ps and other mA loop devices. It includes a 24V loop power supply for testing and powering transmitters in stand-alone tests disconnected from the control system. 

As part of the Fluke Connect® reliability platform, the Fluke 729 allows technicians to remotely monitor calibrations using the Fluke Connect mobile app as well as manage, store, and share pressure measurements and logging events. 

Contact COMTEST on +010 595 1821, sales@comtest.co.za or www.comtest.co.za,

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