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Fluke 725

The Fluke 725 Multifunction Process Calibrator is simply powerful!

With the Fluke 725 Multifunction Process Calibrator you can easily source and measure almost any process parameter and test almost any process device. Measure and source mA, volts, temperature (RTDs and thermocouples), frequency, ohms, and pressure, using optional pressure modules.

From the moment you pick it up, the Fluke 725 is ready to perform as a powerful, yet easy-to-use field calibrator. Its simple controls, without menus, make operation easy.

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Description

Key Features

  • Powerful, easy-to-use field calibrator
  • Measures volts, mA, pressure, RTDs, thermocouples, frequency, and ohms to test sensors and transmitters
  • Sources/simulates volts dc, mA, thermocouples , RTDs, frequency, ohms, and pressure to calibrate transmitters
  • Measures/sources pressure using any of 50 Fluke 750P Pressure Modules
  • Easy to read measure/source screen displays input and output simultaneously

Other useful features:

  • Powers transmitters during test using loop supply with simultaneous mA measurement
  • Handles fast pulsed RTD transmitters and PLCs, with pulses as short as 10 ms
  • Stores frequently used test setups for later use
  • Provides a backlit display to provide better visibility in poor light
  • Features small, streamlined shape, and rugged, reliable design that stands up to field use
  • Sources mA with simultaneous pressure measurement to conduct valve and I/P tests
  • Supports flow meter testing with frequency and CPM functions
  • Performs fast linearity tests with auto-step and auto-ramp features

For more precision, pulse sourcing, totalizing and more consider the Fluke 726 Precision Multifunction Calibrator.

If you need an intrinsically-safe rated calibrator, consider the Fluke 725Ex Intrinsically Safe Multifunction Process Calibrator.

For documenting and HART communication built into your calibrator, consider the Fluke 754 Documenting Process Calibrator with HART.

Specifications

Measurement Accuracy
Voltage DC 30.000 V 0.02% + 2 counts (upper display)
30.000 V 0.02% + 2 counts (lower display)
100.00 mV 0.02% + 2 counts
-10.00 mV to 75.00 mV 0.025% + 1 count (via TC connector)
Current DC 24.000 mA 0.02% + 2 counts
Resistance 0.0 to 400.0 Ω 0.1 Ω (4-wire), 0.15 Ω (2- and 3-wire)
401 to 1500 Ω 0.5 Ω (4-wire), 1 Ω (2- and 3-wire)
1500 to 3200 Ω 1 Ω (4-wire), 1.5 Ω (2- and 3-wire)
Frequency 2.0 to 1000.0 CPM 0.05% + 1 count
1.0 to 1100.0 Hz 0.05% + 1 count
1.00 to 10.00 kHz 0.05% + 1 count
Sensitivity 1 V peak-to-peak-minimum
Pressure Accuracy from 0.025% of range using any of 29 pressure modules (for detailed specifications refer to pressure modules in options and accessories). Modules available for differential, gauge, vacuum, absolute, dual and high pressure.
Source Accuracy
Voltage DC 100.00 mV 0.02% + 2 counts
10.000 V 0.02% + 2 counts
-10.00 mV to 75.00 mV 0.025% + 1 count (via TC connector)
Current DC 24.000 mA (source) 0.02% + 2 counts
24.000 mA (simulate) 0.02% + 2 counts
Resistance 15.0 to 400.0 Ω 0.15 Ω (exc. current 0.15 to 0.5 mA), 0.1 Ω (exc. current 0.5 to 2 mA)
401 to 1500 Ω 0.5 Ω (excitation current 0.05 to 0.8 mA)
1500 to 3200 Ω 1 Ω (excitation current 0.05 to 0.4 mA)
Frequency 2.0 to 1000.0 CPM 0.05%
1.0 to 1100.0 Hz 0.05%
1.00 to 10.00 kHz 0.25%
Waveform 5 V p-p squarewave, -0.1 V offset
RTDs and Thermocouples
Measure accuracy NI-120 0.2°C
PT-100 (385) 0.33°C
PT-100 (393) 0.3°C
PT-100 (JIS) 0.3°C
PT-200 (385) 0.2°C
PT-500 (385) 0.3°C
PT-1000 (385) 0.2°C
Resolution 0.1°C
J 0.7°C
K 0.8°C
T 0.8°C
E 0.7°C
R 1.8°C
S 1.5°C
B 1.4°C
L 0.7°C
U 0.75°C
N 0.9°C
Resolution J, K, T, E, L, N, U: 0.1°C, 0.1°F B, R, S: 1°C, 1°F
XK 0.6°C
BP 1.2°C
Source accuracy NI-120 0.2°C
PT-100 (385) 0.33°C
PT-100 (393) 0.3°C
PT-100 (JIS) 0.3°C
PT-200 (385) 0.2°C
PT-500 (385) 0.3°C
PT-1000 (385) 0.2°C
Resolution 0.1°C
Accuracy stated for 4-wire measurement.
J 0.7°C
K 0.8°C
T 0.8°C
E 0.7°C
R 1.4°C
S 1.5°C
B 1.4°C
L 0.7°C
U 0.75°C
N 0.9°C
Resolution J, K, T, E, L, N, U: 0.1°C, B, R, S: 1°C
XK 0.6°C
BP 1.2°C
Specifications
Ramp functions Source functions Voltage, current, resistance, frequency, temperature
Ramps Slow ramp, Fast ramp, 25% step-ramp
Loop power function Voltage 24 V
Accuracy 10%
Maximum current 22 mA, short circuit protected
Step functions Source functions Voltage, current, resistance, frequency, temperature
Steps 25% of range, 100% of range
Environmental Specifications
Operating temperature -10°C to +55°C
Storage temperature -20°C to 71°C
Operating altitude 3000 m
Safety Specifications
Agency approvals EN 61010-1:1993, ANSI/ISA S82.01-1994; CAN/CSA C22.2 No 1010.1:1992
Mechanical and General Specifications
Size 130 x 236 x 61 mm
Weight 0.65 kg
Batteries 4 AA alkaline batteries
Battery replacement Separate battery compartment, accessable without breaking calibration seal
Side port connections Pressure module connector, also used for remote real-time programming

Additional information

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