Fluke 789 Process Meter
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Fluke 789 Process Meter is a multifunction calibrator and digital multimeter with 24V loop power supply, 20mA source/measure capability, and HART mode for industrial process testing.
Product details
| Model | 789 |
| Manufacturer | Fluke |
| Category | Multifunction Calibrators |
| Availability | Made to order |
Description
Overview
The Fluke 789 Process Meter is a multifunction test tool designed for technicians who need to measure and source analog signals in industrial automation and process control applications. It combines a precision digital multimeter with advanced mA loop calibration and sourcing capabilities, including a built-in 24V loop power supply and HART mode support for communicating with intelligent transmitters.
Key Features
- 24V loop power supply with HART mode (adds 250 ohm resistor)
- 20mA dc current source, measure, and simulate
- 100% larger dual display with simultaneous mA and % of scale readout
- 1200 ohm drive capability for sourcing mA signals
- Precision 1000V, 440mA true-RMS digital multimeter
- Frequency measurement to 20kHz
- Min/Max/Average/Hold/Relative/Auto Step/Auto Ramp modes
- 0-100% mA span check buttons to toggle between 4 and 20mA
- 5V dc measurement on the 4V range for precise 1-5V signals
- Infrared I/O compatible with FlukeView Forms software
- Enhanced backlight with two brightness settings
- Externally accessible fuses and battery for easy maintenance
Applications
- Troubleshooting analog I/O in PLC and control systems
- Calibrating and testing pressure, temperature, and level transmitters
- Verifying HART-enabled transmitter communications
- Testing 4-20mA loops and 1-5V/0-10V signal lines
- Field maintenance of industrial instrumentation
Included Accessories
- TL71 Premium Test Lead Set
- AC72 Alligator Clips
- Four AA alkaline batteries (pre-installed)
- User Manual
- Quick Reference Guide
- Hard Case
Specifications
| DC/AC Voltage | Up to 1000V |
| DC/AC Current | Up to 440mA |
| Current Source | 20mA |
| Loop Power Supply | 24V |
| Frequency Measurement | Up to 20kHz |
| Safety Rating | CAT III 1000V |
| Measurement Modes | Min/Max/Average/Hold/Relative/Auto Step/Auto Ramp |
| Display Type | Dual display - simultaneous mA and % of span |
| Loop Drive Capability | 1200 ohms |
| Special Features | HART mode, 24V loop power, 0-100% mA span check buttons, 5V measurement on 4V range |
| Power | 4 AA alkaline batteries |
| Software Compatibility | FlukeView Forms (via Infrared I/O) |
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Fluke 789 Process Meter
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