BOLD Industrial
Fluke 77-IV Industrial Digital Multimeter
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Fluke 77‑IV – Digital Multimeter Specifications
Electrical Measurements
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DC Voltage
• Range: 6.000 V to 1000 V
• Accuracy: ±(0.3% + 1)
• Resolution: 0.1 mV -
AC Voltage (Average Responding)
• Range: 600.0 mV to 1000 V
• Accuracy: ±(2.0% + 2)
• Resolution: 1 mV -
DC Current
• Range: 60.00 mA to 10 A
• Accuracy: ±(2.5% + 2)
• Resolution: 0.01 mA -
AC Current
• Range: 60.00 mA to 10 A
• Accuracy: ±(1.5% + 2)
• Resolution: 0.01 mA -
Resistance
• Range: 600.0 Ω to 50 MΩ
• Accuracy: ±(0.5% + 1)
• Resolution: 0.1 Ω -
Capacitance
• Range: 1 nF to 9999 µF
• Accuracy: ±(1.2% + 2)
• Resolution: 1 nF -
Frequency
• Range: 99.99 Hz to 99.99 kHz
• Accuracy: ±(0.1% + 1)
• Resolution: 0.01 Hz -
Continuity and Diode Testing
• Audible continuity alert
• Diode test with visual display
Safety & Protection
-
Safety Ratings
• CAT III 1000 V
• CAT IV 600 V
• Designed to IEC 61010 standards -
Surge Protection
• Rated for 8 kV peak transient overvoltage -
Fuses
• 440 mA, 1000 V fast-acting fuse (mA input)
• 11 A, 1000 V fast-acting fuse (A input)
Display & Interface
-
Digital Display
• 6000‑count backlit LCD
• Updates approximately 4 times per second -
Analog Bar Graph
• 33 segments
• Updates 32 times per second -
Min/Max Recording
• Captures minimum, maximum, and average readings -
Auto and Manual Ranging
• Supports both modes
Environmental & Power
-
Operating Temperature
• –10 °C to +50 °C -
Storage Temperature
• –40 °C to +60 °C -
Humidity (Non-condensing)
• 90% up to 35 °C
• 75% up to 40 °C
• 45% up to 50 °C -
Altitude
• Operating: up to 2000 m
• Storage: up to 12,000 m -
Battery Life
• Approximately 400 hours (alkaline)
Physical Characteristics
-
Dimensions
• 18.5 cm × 9 cm × 4.3 cm -
Weight
• Approximately 420 g -
Casing & Build
• Overmolded case for durability
• Integrated probe holders
• Optional magnetic hanger (TPAK) support
✅ Quick Reference Table
Measurement Type | Range | Accuracy |
---|---|---|
DC Voltage | 6 V – 1000 V | ±(0.3% + 1) |
AC Voltage | 600 mV – 1000 V | ±(2.0% + 2) |
DC Current | 60 mA – 10 A | ±(2.5% + 2) |
AC Current | 60 mA – 10 A | ±(1.5% + 2) |
Resistance | 600 Ω – 50 MΩ | ±(0.5% + 1) |
Capacitance | 1 nF – 9999 µF | ±(1.2% + 2) |
Frequency | 99.99 Hz – 99.99 kHz | ±(0.1% + 1) |
