The Fluke 87V-MAX is a True RMS digital multimeter engineered for industrial field service and troubleshooting in harsh environments. It delivers accurate measurements across AC/DC voltage, current, resistance, capacitance, frequency, and temperature—plus specialized VFD measurement capability for electrically noisy equipment. Built to survive extreme conditions with IP67 rating, 4 m drop protection, and CAT IV 600 V / CAT III 1000 V safety certification, this meter combines durability with precision measurement.
## Technical Specifications
**Electrical Measurements**
• AC/DC Voltage: 0–1000 V, 0.05% + 1 DC accuracy, 0.7% + 4 AC accuracy (true-rms), 0.1 mV resolution
• AC/DC Current: 0–10 A continuous (20 A for 30 seconds), 0.2% + 2 DC accuracy, 1.0% + 2 AC accuracy, 0.1 μA resolution
• Resistance: 0–50 MΩ, 0.1 Ω resolution
• Capacitance: 0.01 nF–10,000 μF
• Frequency: 0–200 kHz, 0.005% + 1 accuracy, 0.01 Hz resolution
• Temperature (via Type-K thermocouple): -200 °C to +1090 °C
• Continuity and diode testing included
**VFD Measurement**
Low-pass filtered AC voltage measurements (15 Hz to 20 kHz) with high-frequency noise rejection for accurate readings on variable frequency drives and similar electrically noisy circuits.
**Environmental & Physical**
• IP67 rating (complete dust and water protection)
• Operational: -15 °C to +55 °C; emergency operation at -40 °C (up to 20 minutes)
• 95% humidity rated
• Withstands 4 m (13 ft) drops
• Survives 8000 V transient spikes (load switching faults)
• CAT IV 600 V / CAT III 1000 V rated
• Industrial-strength outer shell with removable holster (doubles as test lead storage and probe holder)
**Display**
• Hi-resolution 19,999 or 20,000 count display modes
## Key Features
• True-RMS AC voltage and current for accurate non-linear signal measurement
• Built-in Type-K thermocouple thermometer—no separate device required
• VFD-optimized measurements with low-pass filtering and shielding against high-frequency noise
• One-handed operation via holster-integrated probe holder
• Industrial-grade drop and environmental protection
## Typical Applications
Electrical troubleshooting on industrial circuits, variable frequency drive diagnostics, HVAC/R service, motor and transformer testing, and field temperature monitoring.
