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ProcessMeter Fluke 789 Loop Calibrator Digital Multimeter
Description
The ProcessMeter Fluke 789 Loop Calibrator Digital Multimeter combines a precision 24V loop power supply digital multimeter and a full-featured mA loop calibrator into one compact maintenance tool. Designed for industrial automation specialists, the Fluke 789 provides 0.05% DC current accuracy, built-in selectable 250-ohm HART resistor, and true-RMS AC voltage measurement up to 1000V under CAT IV 600V safety standards.
Application field
- Troubleshooting 4-20 mA current loops in industrial automation systems
- Powering transmitters during offline testing using internal 24V loop supply
- Calibration and verification of process instruments, control valves, and PLCs
- Electrical diagnostics requiring CAT IV 600V / CAT III 1000V rated multimeters
Specifications
| DC Voltage Range | 0-1000 V (0.1% + 1 LSD) |
| DC Current Measurement | 0-30 mA (0.05% + 2 LSD), 0-1 A (0.2% + 2 LSD) |
| Current Sourcing | 0-20 mA or 4-20 mA (0.05% of span, 1200 ohm drive) |
| Loop Power Supply | 24 V DC |
| Resistance Measurement | Up to 40 MOhm (0.2% + 1 LSD) |
| Frequency Range | Up to 20 kHz |
| Safety Rating | IEC 61010 CAT IV 600 V / CAT III 1000 V |
| Power Source | 4 x AA alkaline batteries (140 hours typical measurement life) |
| Dimensions / Weight | 50 x 100 x 203 mm / 610 g |
Scope of delivery
- Fluke 789 ProcessMeter
- AC175 Alligator Clips (1 set)
- TL71 Test Lead Set (1 set)
- 4 x AA 1.5 V Alkaline Batteries (installed)
- Quick Reference Guide