As more and more process plants begin to take advantage of smart transmitters, the need for a new generation of calibrators has emerged-calibrators that can communicate via industry standard digital protocols. The 744 combines HART communication capability to deliver an integrated communicating calibrator. This rugged, reliable tool is ideal for calibrating, maintaining, and troubleshooting HART and other instrumentation.
The 744 does the work of several tools - sourcing, simulating and measuring pressure, temperature, and electrical signals in one rugged, hand-held device. For documentation, the 744 automates calibration procedures and captures your data. And, of course, it helps you meet rigorous standards like ISO 9000, FDA, EPA and OSHA regulations.
The 744 is a power multifunction documenting calibrator that lets you download procedures, lists, and instructions created with software-or upload data for printing, archiving, and analysis. The 744 also features a powerful built in HART interface capable of performing nearly all the day-to-day tasks you now perform with a separate communicator.
Features:
Measure volts, mA, RTDs, thermocouples, frequency, and ohms to test sensors, transmitters and other instruments
Source/simulate volts, mA, thermocouples, RTDs, frequency, ohms, and pressure to calibrate transmitters
Power transmitters during test using loop supply with simultaneous mA measurement
Measure/source pressure using any of 29 Fluke 700Pxx Pressure Modules
Create and run automated as-found/as-left procedures to satisfy quality programs or regulations. Record and document results
Holds up to a full week of downloaded procedures and calibration results.
Use many features like autostep, custom units, user entered values during test, one-point and two-point switch testing, square root DP flow testing, programmable measurement delay etc.
Easy to use
Bright white dual display. Read both sourced and measured parameters simultaneously.
Multi lingual interface
Rechargeable NiMH battery for 10 hour uninterrupted use. Includes gas gauge.
Handling of fast pulsed RTD transmitters and PLCs, with pulses as short as 1 ms.
Delivered with DPC/Track Sample software.
Compatible with many Asset Management software packages.
HART Capabilities
The 744 is designed to take on nearly all the day-to-day tasks you now perform with a separate communicator. In fact, it offers the communication capabilities of the 275 HART communicator.
Requires no external box or second tool for everyday HART calibration and maintenance.
Offers fast HART communication.
Supports popular models of HART transmitters, with more devise-specific command support than any other HART field calibrator.
Works with multiple masters, burst mode, and multi-drop configurations.
Is easy to update as additional instruments are added and new HART versions are released.
Interrogate to determine device type, manufacturer, model, tag.
Reconfigure the sensor mapping of dual sensor temperature transmitters.
Read HART PV function and smart transmitter digital output while measuring analog mA output.
Read and write HART configuration functions to make field adjustments to PV range points, damping, and other top-level configuration settings.
Re-label smart transmitters by reading and writing to the HART tag field.
The 744 supports the commands contained in HART protocol Version 5.7. With 2 MB of memory, the 744 supports a substantial set of HART instructions:
Universal commands provide functions that are implemented in all field devices, for example, read manufacturer and device type, read primary variable (PV), or read current output and percent of span.
Common practice commands provide functions that are common to many but not all field devices, for example read multiple variables, set damping time, or perform loop test.
Device-specific commands provide functions that are unique to a particular field device, for example sensor trim.
HART Operating Modes Supported
Point to Point operation , the most commonly used mode, connects the 744 to a single HART device in a 4-20 mA loop.
In Multi-Drop mode , several HART instruments can be bussed together. The 744 searches for each, identifies addresses in use, and allows you to select the instrument for calibration and related operations.
In Burst Mode, the HART instrument transmits bursts of data without waiting to be interrogated by a master unit. The 744 can take transmitters out of burst mode during test or calibration, then later restore them to burst mode.
744 V 2.5 Documenting Process Calibrator Software Upgrade The Fluke 744 Version 2.5 software upgrade includes:
Device-specific calibration support for new instruments:
Micro Motion 2000, 2000 IS, 9701, 9712 and 9739 coriolis flow transmitters
Fuji FCX and FCXA2 pressure and FRC temperature transmitter
New features:
Support for New Hart Scientific dry blocks: 7103, 9007, 9011, 9023, 9103, 9105, 9107, 9122, 9127, 9132, 9133 and 9150
Enhanced dry block delay setting for temperature switch testing
Switch test without reset
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