Fluke 87
- Model: Fluke 87
- Status: Obsolete, Discontinued
- Replacement Parts: Fluke 87 Parts List
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 Category | Details |
|---|---|
| Measurement Functions | |
| DC Voltage Range | 0.1 mV to 1000V |
| AC Voltage Range | 0.1 mV to 1000V |
| DC Current Range | 0.1 μA to 10A (20A for 30 seconds) |
| AC Current Range | 0.1 μA to 10A (20A for 30 seconds) |
| Resistance Range | 0.1 Ω to 50 MΩ |
| Capacitance Range | 1 nF to 9,999 μF |
| Frequency Range | 0.5 Hz to 200 kHz |
| Temperature Range | -200°C to 1090°C (-328°F to 1994°F) with type K thermocouple |
| Accuracy | |
| 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 | |
| Display Type | Digital LCD with analog bar graph |
| Display Digits | 4.5 digits |
| Display Count | 20,000 counts |
| Backlight | Yes, two-level |
| Special Features | |
| True RMS | Yes |
| Min/Max Recording | Yes |
| Peak Min/Max | Yes, captures peaks as fast as 250 µs |
| Auto/Manual Ranging | Yes |
| Relative Mode | Yes |
| Low Pass Filter | Yes |
| Power | |
| Battery Type | 9V battery |
| Battery Life | Approximately 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) |
| Humidity | 0% to 90% (0°C to 35°C); 0% to 70% (35°C to 55°C) |
| Physical Specifications | |
| Dimensions | 201 x 98 x 52 mm (7.9 x 3.8 x 2 inches) |
| Weight | 0.64 kg (1.4 lbs) |
| Safety and Compliance | |
| Safety Rating | CAT III 1000V, CAT IV 600V |
| Compliance | IEC 61010-1 |
NOTE: High performance test equipment may be worthy of repair and calibration even though it has been labeled obsolete and is discontinued.

