Fluke 77-IV Industrial Digital Multimeter

Fluke 77‑IV – Digital Multimeter Specifications

Electrical Measurements

• 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