The Fluke 709 Precision Loop Calibrator is a compact, reliable and highly accurate calibration instrument designed for industrial process measurement, maintenance and troubleshooting. Developed for technicians and calibration professionals, the Fluke 709 combines precise current measurement, current sourcing and loop simulation capabilities in one portable device.
With its intuitive Quick Set rotary encoder, large backlit display and exceptional measurement accuracy of 0.01% of reading, the Fluke 709 simplifies the calibration and verification of industrial 4 to 20 mA process loops.
The instrument supports current measurement and sourcing up to 24 mA, DC voltage measurement up to 30 V and an integrated 24 V loop power supply.
Its robust construction and straightforward operation make the Fluke 709 an excellent choice for industrial maintenance, process automation and professional calibration applications.
At europascal, customers benefit from comprehensive expertise in calibration technology, professional measurement equipment and reliable calibration services.
Features and Benefits of the Fluke 709
The Fluke 709 Precision Loop Calibrator offers advanced functionality for measuring, sourcing and simulating industrial current signals.
Its compact design and intuitive operation enable technicians to perform calibration tasks quickly and efficiently.
Key features and benefits include:
- High measurement accuracy of 0.01% of reading
- Current measurement from 0 to 24 mA
- Current sourcing and simulation up to 24 mA
- DC voltage measurement from 0 to 30 V
- Integrated 24 V DC loop power supply
- Resolution of 1 µA for current measurements
- Resolution of 1 mV for voltage measurements
- Intuitive Quick Set rotary encoder
- Large graphical LCD with backlight
- Automatic stepping and ramping functions
- Adjustable current ranges of 0 to 20 mA and 4 to 20 mA
- Integrated selectable 250 Ω resistor for HART communication
- Valve testing functionality
- Compact and rugged handheld construction
- Battery powered operation with six AAA batteries
- Typical battery life of approximately 40 hours
The Fluke 709 provides the essential functions required for routine process loop calibration without unnecessary complexity.
Its simple two wire connection reduces setup time and makes the instrument particularly suitable for field applications.
High Accuracy and Reliable Measurement Performance
The Fluke 709 Precision Loop Calibrator provides excellent measurement performance for industrial current loops and process instrumentation.
With an accuracy specification of ±(0.01% of reading + 2 counts), the instrument enables precise verification of electrical process signals under specified reference conditions.
The current measurement and sourcing range extends from 0 to 24 mA, covering common industrial signal standards.
The 1 µA resolution allows technicians to detect small changes in current and evaluate transmitter performance.
In addition to current measurement, the Fluke 709 supports DC voltage measurement up to 30 V with a resolution of 1 mV.
This capability is useful when troubleshooting industrial measurement loops and verifying transmitter supply voltages.
The integrated 24 V loop power supply allows technicians to energize compatible process transmitters directly during calibration.
This eliminates the need for an additional external power supply in many maintenance applications.
The instrument also features automatic shutdown to conserve battery power during periods of inactivity.
Precision Current Loop Calibration
Current Measurement and Sourcing
The Fluke 709 is specifically designed for precise measurement and generation of industrial current signals.
It supports both active current sourcing and passive current simulation, providing flexibility for different calibration configurations.
Typical applications include:
- Calibration of 4 to 20 mA process transmitters
- Verification of current loop signals
- Testing of analog input modules
- Simulation of transmitter output signals
- Troubleshooting industrial automation systems
- Functional testing of process instrumentation
The instrument allows technicians to select between 0 to 20 mA and 4 to 20 mA operating ranges.
This makes it suitable for a wide range of industrial control and measurement applications.
Integrated 24 V Loop Power Supply
The Fluke 709 includes an integrated 24 V DC loop power supply.
This function enables technicians to power compatible two wire transmitters while measuring their current output.
The loop power supply simplifies calibration procedures and reduces the amount of additional equipment required.
It is particularly useful during maintenance activities where an external loop supply is unavailable.
Automatic Stepping and Ramping Functions
The Fluke 709 provides automatic stepping and ramping functions for efficient transmitter verification.
Technicians can generate predefined current values to evaluate the response of connected instruments.
These functions are useful for checking transmitter linearity, control system inputs and valve positioning equipment.
Adjustable step and ramp timing allows users to adapt the calibration procedure to specific applications.
Valve Testing
The Fluke 709 includes dedicated valve testing functionality.
The instrument can generate defined current signals to verify the response of compatible control valves and positioners.
This capability supports maintenance and troubleshooting of industrial process control systems.
The valve testing function helps technicians identify incorrect positioning behavior and verify basic control loop operation.
Technical Specifications of the Fluke 709
The Fluke 709 provides the following technical specifications.
| Parameter | Specification |
|---|---|
| Manufacturer | Fluke |
| Model | Fluke 709 |
| Instrument type | Precision Loop Calibrator |
| Current measurement | 0 to 24 mA |
| Current sourcing | 0 to 24 mA |
| Current simulation | 0 to 24 mA |
| DC voltage measurement | 0 to 30 V |
| Measurement accuracy | ±(0.01% of reading + 2 counts) |
| Current resolution | 1 µA |
| Voltage resolution | 1 mV |
| Loop power supply | 24 V DC |
| Loop compliance voltage | 24 V DC at 20 mA |
| Selectable current ranges | 0 to 20 mA and 4 to 20 mA |
| HART resistor | Selectable 250 Ω |
| Display | Backlit graphical LCD, 128 × 64 pixels |
| Operating temperature | -10 °C to +50 °C |
| Relative humidity | 10% to 95%, non condensing |
| Power supply | 6 AAA alkaline batteries |
| Battery life | At least 40 hours in measurement mode |
| Dimensions | 150 × 90 × 30 mm |
| Weight | Approximately 300 g |
| Protection rating | IP40 |
The specified accuracy applies under the manufacturer’s defined reference conditions.
For detailed technical information, consult the official Fluke documentation.
Ideal for Demanding Calibration Applications
The Fluke 709 Precision Loop Calibrator is suitable for numerous industrial maintenance and calibration applications.
Its precise current measurement and simulation capabilities make it particularly valuable for process instrumentation.
Industrial process calibration
Calibration and verification of current transmitters used in industrial automation systems.
Maintenance and troubleshooting
Identification of faulty current loops, incorrect transmitter outputs and signal transmission problems.
Control system verification
Testing analog input channels and verifying the response of industrial control equipment.
Valve positioner testing
Generation of defined current signals for functional testing of compatible valve positioners.
Process transmitter testing
Verification of current outputs from pressure, temperature, flow and level transmitters.
Calibration laboratories
Accurate measurement and generation of current signals for verification of industrial instrumentation.
Production and quality assurance
Functional testing of process instruments during manufacturing and quality control procedures.
The compact design makes the Fluke 709 especially useful for technicians who require reliable calibration equipment directly at the installation site.
Advantages of the Fluke 709 Precision Loop Calibrator
Exceptional Measurement Accuracy
The Fluke 709 offers a basic accuracy of 0.01% of reading, making it suitable for demanding current loop calibration applications.
Intuitive Operation
The Quick Set rotary encoder allows technicians to adjust current values quickly and precisely.
Efficient Calibration Procedures
Automatic stepping and ramping functions simplify repetitive calibration tasks and transmitter verification.
Integrated Loop Power Supply
The built in 24 V loop power supply reduces the need for additional external equipment.
Portable and Rugged Design
The compact construction and protective holster make the instrument suitable for demanding industrial environments.
Extended Battery Operation
Six AAA batteries provide long operating times, making the Fluke 709 ideal for mobile calibration applications.
Fluke 709 Calibration and Service at europascal
Reliable calibration equipment is essential for maintaining measurement accuracy and ensuring consistent industrial processes.
At europascal, we provide professional calibration solutions, measurement technology and technical expertise for industrial applications.
The Fluke 709 Precision Loop Calibrator is an excellent choice for companies requiring a reliable instrument for current loop calibration and process instrumentation.
Regular calibration helps identify measurement deviations, maintain instrument reliability and support quality assurance procedures.
Our experienced specialists assist customers in selecting suitable calibration equipment and maintaining their measurement instruments.
Learn more about our professional europascal calibration service.
Discover additional calibration instruments and measurement solutions on the europascal website.
With extensive experience in calibration technology, europascal supports customers in industrial measurement, maintenance and laboratory applications.
Why Choose the Fluke 709?
The Fluke 709 Precision Loop Calibrator combines exceptional measurement accuracy, intuitive operation and portable construction.
Its ability to measure, source and simulate industrial current signals makes it a valuable tool for maintenance technicians, calibration engineers and industrial measurement specialists.
The integrated 24 V loop power supply, automatic stepping functions and Quick Set rotary encoder simplify routine calibration tasks.
With its compact design and high measurement resolution, the Fluke 709 is particularly suitable for professional 4 to 20 mA loop calibration.
Choose the Fluke 709 from europascal for precise current loop calibration and reliable industrial measurement technology.
Contact europascal for product information, accessories, availability and calibration services.
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Herstellerinformationen zum Fluke 709 finden Sie auf der offiziellen Webseite von Fluke Calibration.
