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Fluke 789 Process Meter review
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Fluke 789 ProcessMeter™ | DMM + 4–20 mA Loop Calibrator
Fluke 789 ProcessMeter — True-RMS Multimeter with 4–20 mA Loop Calibrator
The Fluke 789 ProcessMeter combines a precision True-RMS digital multimeter with a professional 4–20 mA loop calibrator, helping technicians measure, source, simulate, troubleshoot, and calibrate current loops with one compact instrument.
True-RMS DMM
4–20 mA Source / Simulate
24 V Loop Power
CAT IV 600 V / CAT III 1000 V
HART 250 Ω Resistor
4–20 mA Source / Simulate
24 V Loop Power
CAT IV 600 V / CAT III 1000 V
HART 250 Ω Resistor
Buy Fluke 789 ProcessMeter in UAE / Dubai
If you are looking to buy Fluke 789 in UAE or need the latest Fluke 789 price in Dubai, the 789 is one of the most practical tools for process technicians, calibration engineers, instrumentation teams, and industrial maintenance professionals.
Instead of carrying a separate digital multimeter and loop calibrator, the Fluke 789 ProcessMeter gives you both capabilities in a single safety-rated instrument designed for current loop troubleshooting and calibration tasks.
Need Price & Stock Availability?
Contact our sales team for current availability, lead time, and quotation details for the Fluke 789 ProcessMeter.
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Product Type
ProcessMeter with True-RMS DMM and 4–20 mA loop calibrator functions.
Loop Functions
Measure, source, and simulate mA signals for process loop work.
Loop Power
Built-in 24 V loop power supply for powering transmitters during testing.
Safety Rating
CAT IV 600 V / CAT III 1000 V safety category rating.
Why the Fluke 789 ProcessMeter Matters
Process instrumentation work often requires both electrical measurement and loop calibration. The Fluke 789 is designed to reduce the need for carrying multiple tools by integrating a precision True-RMS digital multimeter and a 4–20 mA loop calibrator into one rugged handheld device.
For technicians working on transmitters, valves, control systems, PLC signals, and industrial process loops, the Fluke 789 helps simplify troubleshooting by allowing measurement and loop signal control from the same instrument.
Key Features of Fluke 789
- True-RMS digital multimeter: Measures AC/DC voltage, AC/DC current, resistance, continuity, and frequency.
- 4–20 mA loop calibrator: Designed for current loop troubleshooting and calibration work.
- 20 mA source and simulate capability: Useful for testing process loop devices and control signals.
- Simultaneous mA and percent scale readout: Helps technicians interpret loop signal values faster.
- Built-in 24 V loop power supply: Powers transmitters and loop devices during field testing.
- HART mode setting: Includes a 250 ohm resistor when using loop power, supporting HART-related loop work.
- Manual step, auto step, and auto ramp: Helps speed up repetitive loop testing tasks.
- Min/Max/Average, Hold, and Relative modes: Useful for diagnostics and measurement comparison.
- Diode test and continuity beeper: Adds everyday electrical troubleshooting functions.
- Externally accessible battery: Allows easier battery replacement in field conditions.
- Fluke Connect compatibility: Compatible with the IR3000FC module for wireless logging functions.
Fluke 789 Technical Specifications
| Product Name | Fluke 789 ProcessMeter™ |
| Instrument Type | True-RMS digital multimeter with 4–20 mA loop calibrator |
| DMM Measurements | AC/DC voltage, AC/DC current, resistance, continuity, frequency |
| DMM Capability | Precision 1000 V, 440 mA True-RMS digital multimeter |
| Loop Calibrator Functions | Measure, source, and simulate mA signals |
| Current Source / Simulate | 20 mA current source/simulate function |
| Loop Power Supply | Built-in 24 V loop power supply |
| HART Support Feature | HART mode setting with loop power; adds 250 ohm resistor |
| Frequency Measurement | Up to 20 kHz |
| Safety Rating | CAT IV 600 V / CAT III 1000 V |
| Standards Note | DMM designed to meet IEC 61010 CAT III 1000 V and CAT IV 600 V standards |
| Additional Functions | Min/Max/Average, Hold, Relative mode, diode test, continuity beeper, manual step, auto step, auto ramp |
| Wireless Logging | Compatible with Fluke Connect using IR3000FC module |
| Battery Access | Externally accessible battery for easier replacement |
Note: Specifications should always be verified with the latest official Fluke documentation before purchase or technical deployment.
Why Technicians Choose the Fluke 789
One Tool Instead of Two
The Fluke 789 reduces the need to carry both a separate multimeter and loop calibrator.
Faster Loop Troubleshooting
Measure, source, simulate, and power loops from the same handheld device.
Built for Industrial Use
The CAT IV 600 V / CAT III 1000 V rating supports work in demanding electrical environments.
Useful for HART Loops
The 789 includes a HART mode setting with loop power that adds a 250 ohm resistor.
Ideal Applications
- Industrial process control maintenance
- 4–20 mA current loop troubleshooting
- Transmitter testing and calibration support
- PLC and control system signal verification
- Instrumentation and automation field service
- Electrical maintenance in industrial facilities
- HART-related loop diagnostics where a 250 ohm loop resistor is required
Fluke 789 Price UAE & Dubai Availability
For customers searching for Fluke 789 price UAE, Fluke 789 Dubai, or loop calibrator multimeter in UAE, price and availability can vary depending on stock, shipment schedule, and package configuration.
Contact the sales team to check current stock, quotation, and delivery options for the Fluke 789 ProcessMeter.
فلوك 789 — بروسيس ميتر ProcessMeter
يجمع Fluke 789 ProcessMeter بين ملتيميتر رقمي True-RMS وكاليبراتور حلقة 4–20 مللي أمبير في جهاز واحد مناسب لأعمال الصيانة الصناعية والتحقق من إشارات الحلقات الكهربائية.
- ملتيميتر + كاليبراتور حلقة 4–20 مللي أمبير
- مصدر حلقة 24 فولت مدمج
- مقاومة HART مدمجة 250 أوم عند استخدام وضع HART مع تغذية الحلقة
- تصنيف أمان CAT III 1000V / CAT IV 600V
What is the Fluke 789 ProcessMeter used for
The Fluke 789 is used for electrical measurement, process loop troubleshooting, and 4–20 mA loop calibration. It combines a True-RMS digital multimeter with loop calibrator functions.
Does the Fluke 789 have a 24 V loop power supply
Yes. The Fluke 789 includes a built-in 24 V loop power supply for powering loop devices during testing and troubleshooting.
Can the Fluke 789 source and simulate mA signals
Yes. The Fluke 789 provides mA source and simulate functions, making it useful for process loop testing and calibration.
Is the Fluke 789 suitable for HART loop work
The Fluke 789 includes a HART mode setting with loop power that adds a 250 ohm resistor, which is useful for HART-related loop applications.
What is the safety rating of the Fluke 789
The Fluke 789 is rated CAT IV 600 V / CAT III 1000 V, and the DMM is designed to meet IEC 61010 CAT III 1000 V and CAT IV 600 V standards.
Can the Fluke 789 measure frequency
Yes. The Fluke 789 can measure frequency up to 20 kHz.
June 7, 2026
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June 7, 2026
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June 7, 2026
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