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Fluke 744 Documenting Process Calibrator-HART

Description

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.

 

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
  • Three year warranty
  • 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.

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.

 

Fluke 744 Documenting Process Calibrator-HART
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Specifications

Measurement Accuracy

Voltage DC

110.000 mV

 0.025%+0.015% *

1.10000 V

 0.025%+0.005% *

11.0000 V

 0.025%+0.005% *

110.000 V

 0.05%+0.005% *

300.00 V

 0.05%+0.005% *

Voltage AC

20 to 40 Hz

 2% + 10

40 to 500 Hz

 0.5% + 5

500 to 1 kHz

 2% + 10

1 kHz to 5 kHz

 10% + 20

Ranges:

 1.1000, 11.000, 110.00, 300V

Current DC

30.000 mA

 0.01% + 0.015% *

110.00 mA

 0.01% + 0.015% *

Resistance

11.000 Ω

 0.05% + 50 mΩ

110.00 Ω

 0.05% + 50 mΩ

1.1000 kΩ

 0.05% + 500 mΩ

11.000 kΩ

 0.1% + 10 Ω

Frequency

1.00 to 109.99 Hz

 0.05 Hz

110.0 to 1099.9 Hz

 0.5 Hz

1.100 to 10.999 kHz

 5 Hz

11.00 to 50.00 kHz

 50 Hz

Pressure

Accuracy

 from 0.025% of range using any of 29 pressure modules.
 

 Modules available for differential, gauge, vacuum, absolute, dual and high pressure.
 

 (for detailed specifications refer to pressure modules in options and accessories)

Note

*

 (% of reading + % of full scale)

Source Accuracy

Voltage DC

110.000 mV

 0.01%+0.005% *

1.10000 V

 0.01%+0.005% *

15.0000 V

 0.01%+0.005% *

Current DC

22.000 mA (Source)

 0.01%+ 0.015% *

22.000 mA (Simulate)

 0.02% + 0.03% *

Resistance

11.000 Ω

 0.01% + 20 mΩ

110.00 Ω

 0.01% + 40 mΩ

1.1000 kΩ

 0.02% + 500 mΩ

11.000 kΩ

 0.03% + 5Ω

Frequency

0.00 to 10.99 Hz

 0.01 Hz

11.00 to 109.99 Hz

 0.1 Hz

110.0 to 1099.9 Hz

 0.1 Hz

1100 to 21999 Hz

 2 Hz

22.000 to 50.000 kHz

 5 Hz

Note

*

 (% of reading + % of full scale)

RTDs and Thermocouples

Measure Accuracy:

10 Ω Cu (427):

 2 °C

100 Ω Pt (3916):

 0.3 °C

100 Ω Pt (3926):

 0.3 °C

100 Ω Pt (385):

 0.3 °C

200 Ω Pt (385):

 0.3 °C

500 Ω Pt (385):

 0.3 °C

1000 Ω Pt (385):

 0.3 °C

120 Ω Ni (672):

 0.3 °C

note:

 For 2-and 3-wire measurement, add 0.4°C

E:

 0.3 °C

N:

 0.5 °C

J:

 0.3 °C

L:

 0.3 °C

K:

 0.3 °C

T:

 0.3 °C

U:

 0.3 °C

B:

 0.9 °C

R:

 1.0 °C

S:

 0.9 °C

C:

 0.6 °C

BP:

 1.2 ºC

XK:

 0.4 ºC

note:

 Accuracy with external cold junction, for internal junction add 0.2 °C

Source Accuracy:

10 Ω Cu (427):

 1 °C

100 Ω Pt (3916):

 0.1 °C

100 Ω Pt (3926):

 0.1 °C

100 Ω Pt (385):

 0.1 °C

200 Ω Pt (385):

 0.1 °C

500 Ω Pt (385):

 0.1 °C

1000 Ω Pt (385):

 0.1 °C

120 Ω Ni (672):

 0.1 °C

note:

 For 2-and 3-wire simulation, add 0.4 °C

E:

 0.2 °C

N:

 0.3 °C

J:

 0.2 °C

L:

 0.2 °C

K:

 0.3 °C

T:

 0.3 °C

U:

 0.3 °C

B:

 0.8 °C

R:

 0.9 °C

S:

 0.9 °C

C:

 0.6 °C

BP:

 0.5 ºC

XK:

 0.4 ºC

note:

 Accuracy with external cold junction, for internal junction add 0.2 °C

Technical Data

Data Log Functions

Measure functions:

 Voltage, current, resistance, frequency, temperature, pressure

Reading rate:

 1, 2, 5, 10, 20, 30, or 60 readings/minute

Maximum record length:

 8000 readings (7980 for 30 or 60 readings/minute)

Ramp Functions

Source functions:

 Voltage, current, resistance, frequency, temperature

Rate:

 4 steps/second

Trip detect:

 Continuity or voltage (continuity detection not available when sourcing current)

Loop Power Function

Voltage:

 Selectable, 24 V or 28 V

Accuracy:

 5%

Maximum current:

 22 mA, short circuit protected

Maximum input voltage:

 30 V DC

Step Functions

Source Functions

 Voltage, current, resistance, frequency, temperature

Manual Step

 Selectable step, change with arrow buttons

Autostep

 Fully programmable for function, start delay, stepvalue, time per step, repeat

Environmental Specifications

Operating Temperature
 

 -10 °C to +50 °C
 

 -20 °C to +50 °C *

Storage Temperature
 

 -20 °C to +60 °C

Dust/water resistance
 

 Meets IP52, IEC 529

Operating Altitude
 

 2800 m

Note

*

 Except frequency and AC

Safety Specifications

Agency Approvals
 

 CAN/CSA C22.2 No 1010.1-92, ASNI/ISA S82.01-1994, UL3111, and EN610-1:1993

Mechanical & General Specifications

Size
 

 130 x 236 x 61 mm (5.1“ x 9.3” x 2.4”)

Weight
 

 1.4 kg (3 lbs., 1oz.)

Batteries

NiMH:

 7.2V, 3.5 Ah

Battery Life
 

 >10 hours typical

Battery Replacement
 

 Via snap-shut door without opening calibrator; no tools required

Side port connections
 

 Pressure module connector
 

 RS-232 connector for PC interface cable and for HART communication cable
 

 Connection for optional battery eliminator

Data storage capacity
 

 1 week of calibration results

90 day specifications
 

 The standard specification interval for the 744 is 1 and 2 years.
 

 Typical 90 day measurement and source accuracy can be estimated by
 

 dividing the one year “% of reading” or “%of output” specifications by 2.
 

 Floor specifications, expressed as “% of full scale” or
 

 “counts” or “ohms” remain constant.
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