Fluke 87

Overview of the Fluke 87 True RMS Multimeter

The Fluke 87 digital multimeter is a high-performance tool designed for professional use in challenging industrial environments. Known for its reliability, precision, and rugged construction, the Fluke 87 provides a range of advanced measurement functions that make it suitable for troubleshooting electrical systems, electronics, and industrial automation.

Features of the Fluke 87

  • High Accuracy and Precision
  • Accurate True RMS measurements for AC voltage and current.
  • High-resolution 4.5-digit display with a 20,000-count.
  • Measurement Capabilities
  • Voltage: AC and DC voltage measurements up to 1000V.
  • Current: AC and DC current measurements up to 10A (20A for 30 seconds).
  • Resistance: Measures resistance up to 50 MΩ.
  • Capacitance: Measures capacitance up to 9,999 μF.
  • Frequency: Measures frequency up to 200 kHz.
  • Temperature: Measures temperature with a type K thermocouple.
  • User Interface
  • Large, dual display with analog bar graph for trend analysis.
  • Bright, two-level backlight for clear visibility in low light conditions.
  • Advanced Features
  • Min/Max/Average Recording: Captures variations automatically.
  • Peak Min/Max: Captures peaks as fast as 250 µs.
  • Auto and Manual Ranging: Provides flexibility for precision measurements.
  • Relative Mode: Removes test lead resistance from low ohms measurements.
  • Low Pass Filter: Accurately measures voltage and frequency on adjustable speed motor drives and other noisy equipment.
  • Safety and Durability
  • Safety Rated: CAT III 1000V, CAT IV 600V.
  • Built to withstand harsh environments with an ergonomic, rugged design.

Specifications of the Fluke 87 Digital Multimeter

Specification CategoryDetails
Measurement Functions
DC Voltage Range0.1 mV to 1000V
AC Voltage Range0.1 mV to 1000V
DC Current Range0.1 μA to 10A (20A for 30 seconds)
AC Current Range0.1 μA to 10A (20A for 30 seconds)
Resistance Range0.1 Ω to 50 MΩ
Capacitance Range1 nF to 9,999 μF
Frequency Range0.5 Hz to 200 kHz
Temperature Range-200°C to 1090°C (-328°F to 1994°F) with type K thermocouple
DC Voltage Accuracy±(0.05% + 1 count)
AC Voltage Accuracy±(0.7% + 2 counts)
DC Current Accuracy±(0.2% + 2 counts)
AC Current Accuracy±(1.0% + 2 counts)
Resistance Accuracy±(0.2% + 1 count)
Capacitance Accuracy±(1.0% + 2 counts)
Frequency Accuracy±(0.005% + 1 count)
Temperature Accuracy±(1.0% + 2 counts)
Display TypeDigital LCD with analog bar graph
Display Digits4.5 digits
Display Count20,000 counts
BacklightYes, two-level
Special Features
True RMSYes
Min/Max RecordingYes
Peak Min/MaxYes, captures peaks as fast as 250 µs
Auto/Manual RangingYes
Relative ModeYes
Low Pass FilterYes
Battery Type9V battery
Battery LifeApproximately 400 hours
Environmental Specifications
Operating Temperature-20°C to 55°C (-4°F to 131°F)
Storage Temperature-40°C to 60°C (-40°F to 140°F)
Humidity0% to 90% (0°C to 35°C); 0% to 70% (35°C to 55°C)
Physical Specifications
Dimensions201 x 98 x 52 mm (7.9 x 3.8 x 2 inches)
Weight0.64 kg (1.4 lbs)
Safety and Compliance
Safety RatingCAT III 1000V, CAT IV 600V
ComplianceIEC 61010-1
This table provides a comprehensive view of the Fluke 87 digital multimeter’s specifications

NOTE: High performance test equipment may be worthy of repair and calibration even though it has been labeled obsolete and is discontinued.

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