The Fluke 77-4 Industrial Multimeter delivers 1000 V measurement capability for industrial electrical troubleshooting and general-purpose testing. This digital multimeter combines enhanced safety features, expanded measurement functions, and a backlit display optimized for demanding field environments. Its compact, ergonomic design and dual ranging modes support both rapid diagnostics and precision work across voltage, current, resistance, capacitance, and frequency measurements.
## Technical Specifications
**Voltage & Current**
• DC Voltage: 6.000 V to 1000 V, ±(0.3% + 1) accuracy, 0.1 mV resolution
• AC Voltage: 600.0 mV to 1000 V, ±(2.0% + 2) accuracy, 1.0 mV resolution (average responding)
• DC Current: 60.00 mA to 10 A, ±(1.5% + 2) accuracy, 0.01 mA resolution
• AC Current: 60.00 mA to 10 A continuous (20 A overload for 30 s), ±(2.5% + 2) accuracy, 0.01 mA resolution
**Passive Components & Frequency**
• Resistance: 600.0 Ω to 50 MΩ, ±(0.5% + 1) accuracy, 0.1 Ω resolution
• Capacitance: 1 nF to 9,999 μF, ±(1.2% + 2) accuracy, 1 nF resolution
• Frequency: 99.99 Hz to 99.99 kHz, ±(0.1% + 1) accuracy, 0.01 Hz resolution
• Continuity: Audible indicator
**Display**
Large digital display with backlight; 6,000 count resolution for voltage/current, 10,000 counts for frequency, 1,000 counts for capacitance. Analog bargraph included.
## Key Features
• Auto and manual ranging modes
• Min/Max recording for signal fluctuation analysis
• AutoVolt automatic AC/DC selection
• Low input impedance to eliminate ghost voltage errors
• Overmolded ergonomic housing with integrated probe holders
• Optional TPAK magnetic hanger compatible
• 9 V battery powered; typical life 400 hours
## Safety & Compliance
CAT III 1000 V / CAT IV 600 V rated. Meets ANSI/ISA S82.02.01, CSA C22.2–1010.1, and IEC 61010. 8 kV peak surge protection per IEC 61010.
## Physical & Environmental
185 mm L × 90 mm W × 43 mm H; 420 g. Operating range: -10°C to +50°C.
## Included
Fluke TL75 test leads, 9 V battery (installed), user manual, NIST calibration certificate (CAL models).
