Fluke 789 Process Meter

The Fluke 789 Process Meter is a next-generation process troubleshooting instrument engineered for control technicians and instrumentation professionals. It improves upon the popular Fluke 787 with a larger, brighter dual display, extended battery life, and enhanced usability in both bright and low-light environments.

By combining a high-accuracy loop calibrator with a CAT III 1000 V true-RMS digital multimeter, the Fluke 789 reduces tool count while increasing productivity in the field.

Features and Performance

• 2-in-1 Design – Loop calibrator and digital multimeter in one handheld instrument

• Integrated 250 Ω HART Resistor – Enables HART communication without external components

• 24 V Loop Power Supply – Ideal for offline transmitter testing

• True-RMS Multimeter – Accurate AC/DC voltage, current, resistance, frequency, and diode testing

• Large Dual Display – Simultaneous viewing of mA and % of span

• 1200 Ω Drive Capability – Reliable current sourcing up to 20 mA

• Auto Step & Auto Ramp Functions – Simplifies calibration tasks

• Fluke Connect® Compatible – Enables wireless data capture and documentation

• Long Battery Life – Up to 140 hours in measurement mode

• Rugged Industrial Design – Rated CAT III 1000 V / CAT IV 600 V

Why You Should Buy It

The Fluke 789 is the ideal solution for professionals who need accuracy, reliability, and efficiency in process calibration and maintenance. Its integrated HART resistor, loop power supply, and multimeter functionality eliminate the need for multiple tools, making it a cost-effective and dependable choice for industrial environments.

FAQ – Fluke 789 ProcessMeter

Q: Does the Fluke 789 support HART communication?
Yes. It includes a built-in 250-ohm resistor for HART-enabled loop testing.

Q: Can the Fluke 789 replace a separate loop calibrator and multimeter?
Absolutely. It is designed as a complete 2-in-1 solution.

Q: Is this meter suitable for high-voltage industrial environments?
Yes. It meets IEC 1010 CAT III 1000 V and CAT IV 600 V safety standards.

Q: How long does the battery last?
Up to 140 hours in measurement mode and approximately 10 hours when sourcing 20 mA.