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Automatic Pressure Calibrator

Fluke 729 PRO

Automatic Pressure Calibrator

Ensuring that the pressure control in Process Plants is stringently enforced and maintained is crucial for all machines to operate in peak condition. It plays an essential role in regulating pressure levels to keep them within the required limits.

The Fluke 729 Pro Automatic Pressure Calibrator not only simplifies the pressure calibration of transmitters, pressure switches and gauges, but also offers basic HART communication functions when used in conjunction with HART-capable transmitters.

  • Automatic pressure generation and regulation to 1000psi

  • Replaceable pressure control modules

  • Extendable measurement range with 750P Series pressure modules

  • Sources and simulates milliamp signals while measuring pressure for testing current to pressure converters (I/P converters)

  • Bright dual-three-channel/colour graphic display

Download Datasheet
Download Datasheet
Key parameters
729 Pro 7M
729 Pro 4M
Pressure control range
-13 to 1000 psi, -90 to 7000 kPa,-0.90 to 70 bar
-13 to 600 psi, -90 to 4000 kPa, -0.90 to 40 bar
Pressure type
Gauge/absolute (Depends on the type of internal or external pressure module
Pressure accuracy and Control stability
0.02% of FS, 0.005% of FS
Replaceable pressure measurement modules
Yes, 6 modules
Yes, 4 modules
mA sourcing/measurement
Voltage measurement
Loop power
24 V dc
Pressure switch testing
Pressure leakage testing
HART Communication
Yes, basic commands supported
Autostep / auto ramp
Yes (with customizable speed, mode and style)
Rechargeable lithium battery with charge indication (charged in the instrument or separately)
Electrical specification
All specifications are valid to 110% of range, except 24 mA source and simulate which are valid to 100% of range.
mA measure, source and simulate
0 mA to 24 mA
Volts dc measurement
0 V dc to 30 V dc
mA dc source, simulate and measure
1 μA
Voltage dc measurement
1 mV
0.01% FS ±2 LSD all ranges (at 23 °C ±5 °C)
20 ppm FS /°C (-10 °C to +18 °C and 28 °C to 50 °C)
mA simulation working voltage
12 V dc to 30 V dc
Loop compliance voltage
24 V dc @ 20 mA
Temperature measurement , 100 Ω Pt(385) RTD
-50 °C to 150 °C
Temperature resolution
0.01 °C
Temperature accuracy
±0.1 °C ±0.25 °C combined uncertainty when using 720 RTD probe (optional accessory)
Drive capability (mA source)
1200 Ω (without HART resistor), 950 Ω (with internal HART resistor)
Mechanical specification
Dimension (HxWxL)
290 x 215 x100 mm
4.9 kg
Environmental specification
Operating temperature
-10 °C to 50 °C
Pressure control
0 °C to 50 °C
Battery charging
0 °C to 40 °C
Storage temperature
-20 °C to 60 °C
4.9 kg
Operating altitude
<3000 m
Storage altitude
<13000 m
Operating humidity
Non-condensing (<10°C); ≤90 % RH (10 °C to 30 °C); ≤75 % RH (30 °C to 40 °C); ≤45 % RH (40 °C to 50 °C)
Automatic Pressure Calibrator

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