Fluke 787B Process Meter

The Fluke 787B Process Meter combines digital multimeter functionality with mA loop calibration in one compact device. Designed for process technicians, it allows you to measure, source, and simulate loop currents with high accuracy. With added convenience features and built-in safety compliance, this tool reduces the need for multiple instruments in the field.

Stay productive wherever you work with wireless data sharing via Fluke Connect. The Fluke 787B Process Meter offers enhanced workflow with a backlit display, intuitive operation and support for both manual and automatic ramping modes. This makes it easier to perform controlled tests without requiring extra tools or equipment.

Designed for Performance

The Fluke 787B Process Meter is compatible with external 24 V loop power supplies for full current simulation. It supports coarse and fine manual adjustments and delivers 0.05% accuracy for current output. Engineers and technicians can step signals in 25% and 100% increments or activate auto ramp modes for more advanced diagnostics.

Built for Reliability

Meeting CAT III 1000 V and CAT IV 600 V standards, the Fluke 787B Process Meter ensures operator safety in busy environments. Frequency measurements up to 20 kHz, Min/Max/Average/Hold modes, and a tough build offer flexible testing in industrial areas. With batteries and fuses that are easily changed, it’s built for long-term use.

Key Features

Combines digital multimeter and loop calibrator
Sources, measures and simulates 4–20 mA signals
Built-in 24 V loop supply for current simulation
Supports manual and automatic step adjustments
Measures voltage, current, resistance and frequency
Reads diode voltage drop and provides continuity alerts
Offers Min/Max/Average/Hold/Relative reading modes
CAT III 1000 V and CAT IV 600 V safety rated
Frequency measurement up to 20 kHz
Compatible with Fluke Connect wireless data sharing

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Specification	Value
Manufacturer Part Code	Fluke 787B
DC Voltage Range	400.0 mV to 1000 V (0.1% + 1 accuracy)
AC Voltage Range (True RMS)	400.0 mV to 1000 V (0.7% + 2 accuracy)
DC Current Range	Up to 30.000 mA (0.05% + 2 accuracy)
DC Current Output	0.000 to 20.000 mA or 4.000 to 20.000 mA
Over-Range Current	Up to 24.000 mA
Output Drive Capability (Battery Mode)	24 V compliance or 1,200 ohms at 20 mA
Output Drive (Loop Supply Mode)	1000 ohms at 20 mA
AC/DC Current (1 A max)	1.000 A (0.2% + 2 DC, 1% + 2 AC)
Resistance Range	400.0 Ohms to 40 MOhms (0.2% + 1)
Frequency Measurement	0.5 Hz to 20 kHz (0.005% + 1 accuracy)
Diode Test	Up to 2.000 V with drop indication
Continuity Function	Audible for <100 Ohms
Adjustment Modes	Manual (Coarse, Fine, 25%, 100%), Auto (Slow Ramp, Fast Ramp)
Display	Backlit, high visibility
Battery Type	Four AA alkaline batteries (installed)
Battery Life	140 hours typical (measurement), 10 hours (sourcing 12 mA)
Operating Temperature	-20 °C to 55 °C
Storage Temperature	-40 °C to 60 °C
Size (HxWxL)	50 x 100 x 203 mm
Weight	600 g (1.3 lbs)
Safety Rating	IEC61010-1, CAT III 1000 V / CAT IV 600 V
Warranty	Three years

Specification

Value

Manufacturer Part Code

Fluke 787B

DC Voltage Range

400.0 mV to 1000 V (0.1% + 1 accuracy)

AC Voltage Range (True RMS)

400.0 mV to 1000 V (0.7% + 2 accuracy)

DC Current Range

Up to 30.000 mA (0.05% + 2 accuracy)

DC Current Output

0.000 to 20.000 mA or 4.000 to 20.000 mA