789 ProcessMeter
Ultimate troubleshooting tool that combines the functionality of a loop calibrator with the power of a digital multimeter
Fluke 789 ProcessMeter™ doubles your troubleshooting power
The Fluke 789 ProcessMeter is the ultimate troubleshooting tool for electricians and instrumentation professionals. It combines the functionality of a full-featured loop calibrator with the power of a CAT III 1000 V, CAT IV 600 V safety rated digital multimeter, and the wireless capabilities of Fluke Connect connectivity with optional IR3000FC module. The 789 has a large, dual display with two levels of backlighting and externally accessible fuse and batteries for easy replacement. And its built-in, selectable 250-ohm HART® resistor eliminates the need to carry a separate resistor.
The 789 also has a built-in 24-Volt loop supply, which reduces the need to carry a separate power supply when doing offline transmitter testing. You can also add the wireless data logging capabilities of the Fluke Connect™ mobile app to log data wirelessly to your smart phone and review it from a remote location.
*Requires Fluke IR3000FC module (not included). Not all models are available in all countries. Check with your local Fluke representative.
Do a lot more while carrying a lot less
The 789 provides all standard DMM capabilities including frequency measurement to 20 kHz, Min/Max/Average/Hold/Relative modes, and diode test and continuity beeper. Combine that with the ability to troubleshoot every part of the loop.
Measure, source, simulate 4-20 mA signals, measure resistance, measure power, provide power to the loop and provide 250-ohm resistance to the loop. The 789 includes SpanCheck; 0% and 100% buttons to toggle between 4 and 20 mA sourcing, while the display can simultaneously show mA and % of scale readings for faster troubleshooting. It also delivers 1200-ohm drive capability on mA source.
Accuracy
This ProcessMeter offers manual step, 100%, 25%, Coarse, Fine, plus auto step and auto ramp. It also delivers 0.1% DC voltage accuracy and 0.05% DC current accuracy.
• Compact digital multimeter and mA loop calibrator solution
• Full-featured mA loop calibrator with built-in 24v Loop Power
• Quickly and easily troubleshoot every part of a control loop
• Large, bright dual-measurement display
Specifications | ||
Current Measurement | Range | 0 - 1 A AC or DC |
Resolution | 1 mA | |
Accuracy | 0.2% + 2 LSD (DC) | |
Range | 0 mA -30 mA | |
Resolution | 0.001 mA | |
Accuracy | 0.05% + 2 lSD | |
Current Sourcing | Range | 0-20 mA or 4 - 20 mA |
Resolution | 0.05% of span | |
Drive capability | 24 V compliance or 1200 Ω @ 20 mA | |
Frequency | To 19.999 kHz, 0.005% + 1 LSD | |
Continuity | Beeps for resistance < 100 Ω | |
Voltage Measurement | Range | 0 V - 1000 V AC (True-RMS) or DC |
Resolution | 0.1 mV - 1.0 V | |
Accuracy | 0.1% RDG + 1 LSD (VDC) | |
Resistance Measurement | To 40 MΩ, 0.2% + 1 LSD | |
Diode Test | 2.0 V shoes diode voltage drop | |
Display Current and % of Span | Yes | |
Auto Step, Auto Ramp | Yes | |
Environmental Specifications | ||
Operating Temperature | -20°C - 55°C | |
Storage Temperature | -40°C - 60°C | |
Humidity (Without Condensation) | 95% up to 30°C | |
Temperature Coefficient | 0.05 x (specified accuracy) per ºC (for temperatures < 18ºC or > 28ºC) | |
Safety Specifications | ||
Electrical Safety | Designed in accordance with IEC 1010-1, ANSI/ISA S82.01-1994 and CAN/CSA C22.2 No 1010.1-92 | |
Overvoltage Category | IEC 1010-1 CAT III 1000 V | |
Maximum Voltage | 1000 Vrms | |
Mechanical and General Specifications | ||
Size (H x W x L) | 50 mm x 100 mm x 203 mm (1.25 in x 3.41 in x 7.35 in) | |
Weight | 610 g (1.6 lbs) | |
Batteries | Four (4) AA alkaline batteries | |
Warranty | 3 years | |
Battery Life | 140 h typical (measurement), 10 h typical (sourcing 20 mA) | |
Shock and Vibration | Random, 2 g, 5 Hz - 500 Hz | |
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