Fluke 709H Precision mA Loop Calibrator with HART Communications and Diagnostics
Model No :
Fluke 709H
Part Code :


The Fluke 709H mA loop calibrator includes HART communication and supports a select set of the HART universal and common practice commands. This makes the 709H unique as both an affordable, compact loop calibrator.
It offers fast transfer of calibration data:The optional 709H/Track software/cable can document the parameters of all the HART transmitters in your plant, in either (.csv) or (.txt) format. This device has feature of data logging or recording data on a particular transmitter for troubleshooting.

- mA precision loop calibrator that communicates with and tests HART smart instruments
- Features best-in-class accuracy at 0.01% reading
- Provides intuitive user interface with Quick-Set knob for fast setup
- Includes built in selectable 250 O resistor for HART communication
- Features 24 V DC loop power with mA measure mode (-25% to 125%)

Major Applications
- Calibrate and maintain Control Instrumentation
- Field Checking of Loop-powered isolators
- Field Checking of Loop-powered transmitters
- Testing Valve positioners
- Verifying process scaled, indicators
- Read basic device information, perform diagnostic tests, and trim the mA output on most HART enabled transmitters

Technical Specifications
- Functions: mA source, mA simulate, mA read, mA read/loop power, and volts read
- Ranges: mA (0 to 24 mA) and Volts (0 to 30 V DC)
- Resolution: 1 µA on mA ranges and 1 mV on voltage range
- Accuracy: 0.01% ± 2 counts, all ranges (@23° ± 5°C)

General Specifications
- Operating temperature range: -10°C to 55°C (14°F to 131°F)
- Humidity range: 10 to 95% non-condensing
- Stability: 20 ppm of F.S. /°C from -10°C to 18°C and 28°C to 55°C
- Display: 128 x 64 pixels, LCD Graphic w/backlight, .34 high digits
- Loop compliance voltage: 24 V DC @ 20mA
- EMC: EN61326 Annex A (Portable Instruments)