Fluke 789 ProcessMeter

The Fluke 789 ProcessMeter is a handheld, battery-operated tool for measuring electrical parameters, supplying steady or ramping current to test process instruments, and providing a > 24 V loop power supply. The Fluke 789 is the ultimate troubleshooting tool for electricians and instrumentation professionals, combining the functionality of a loop calibrator with the power of a digital multimeter. And with its built-in, selectable 250 ohm HART resistor, it eliminates the need to carry a separate resistor with you. FEATURES DMM and loop calibrator in one tool. 24 V Loop power supply Very large dual display Enhanced backlight with 2 brightness settings 1200 ohm drive capability on mA source HART mode setting with loop power and a built-in 250 ohm resistor 0% and 100 % buttons to toggle between 4 and 20 mA sourcing for a quick span check Infrared-port to process data in FlukeView Forms (V2.1) software Externally accessible battery for easy battery changes. 1000V overload protection on V, ohms, frequency. 150V overload protection on mA, backed up by 440 mA 1000V fuse. 25% Manual Step plus Auto Step and Auto Ramp on mA output. Fluke 789 Specifications Current measurement Range 0-1 A AC or DC. Resolution 1 mA. Accuracy 0.2% + 2 LSD (DC). Range 0-30 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 0-1000 V AC (true-rms) or DC. Resolution 0.1 mV to 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 to 55°C. Storage temperature -40°C to 60°C. Humidity (without condensation) 95% up to 30°C 75% up to 40°C 45% up to 50°C 35% up to 55°C. Temperature coefficient 0.05 x (specified accuracy) per °C (for temperatures < 18°C or > 28°C). 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 IEC 1010-1 CAT IV 600 V. Maximum voltage 1000 V RMS. Mechanical and General Specifications Dimensions (H x W x L) 50 x 100 x 203 mm (1.25 x 3.41 x 7.35 in). Weight 610 g (1.6 lbs). Batteries 4 AA alkaline batteries. Fluke 789 warranty 3 years. Battery life 140 hours typical (measurement), 10 hours typical (sourcing 20 mA). Shock and vibration Random, 2 g, 5-500 Hz 1 meter drop test.

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