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Double Your Power The Fluke 787 was the first tool to combine a DMM and a loop calibrator to give process technicians double the power in one tool. Now it’s even better, the range is extended with the new Fluke 789 – the ultimate loop calibration multimeter. The Fluke 789 has a 24-Volt loop supply reducing the need for taking a separate power supply when doing offline transmitter testing. And with its built-in, selectable 250-Ohm Hart® resistor, it also eliminates the need to carry a separate resistor with you. Now process technicians can do a lot more while carrying a lot less.

Voltage Measurement Range

N/A 0-1000 V AC (true-rms) or DC

Voltage Measurement Resolution

N/A 0.1 mV to 1 V

Voltage Measurement Accuracy

N/A 0.1% Rdg + 1 LSD (VDC)

Resistance Measure

N/A To 40 MO, 0.2% + 1 LSD

Operating Temperature

N/A -20 to 55 ºC

Storage Temperature

N/A -40 to +60 ºC

Temperature Coefficient

N/A 0.05 x (specified accuracy) per °C (for temperatures <18°C or >28°C)

Electrical Safety

N/A Designed in accordance with IEC 1010-1, ANSI/ISA S82.01-1994 and CAN/CSA C22.2 No. 1010.1-92

Overvoltage Category Safety Rating

N/A IEC 1010-1 CAT III 1000 V IEC 1010-1 CAT IV 600 V

Weight

N/A 610 g

Batteries

N/A 4 AA Alkaline batteries

Warranty

N/A 3 Years

Battery Life

N/A 140 hours typical (measurement), 10 hours typical (sourcing 20 mA)

Shock and Vibration

N/A Random, 2 g, 5-500 Hz, 1 meter drop test

Continuity

N/A Beeps for resistance<100 O

Current Measurement

N/A 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

N/A Range: 0-20 mA or 4-20 mA Resolution: 0.05% of span Drive Capability: 24 V Compliance or 1200 O at 20 mA

Frequency

N/A To 19.999 kHz, 0.005% + 1 LSD

Diode Test

N/A 2.0 V shows diode voltage drop

Humidity (Without Condensation)

N/A 95% up to 30°C 75% up to 40°C45% up to 50°C35% up to 55°C

Maximum Voltage

N/A 1000 v rms

Size

N/A 50 x 100 x 203 mm (1.25" H x 3.41"W x 7.35"L)

Display Current and % of Span

N/A 1

Auto Step, Auto Ramp

N/A 1