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Fluke 77 IV (FLUKE-77-4) Digital Multimeter
Features and Specifications
Wide 1000 V measurement range
Average responding AC measurements
0.3% accuracy
10 Amps continuous (20A for 30 seconds)
Frequency and capacitance
Resistance and continuity
Large display
Backlight for work in dim areas
Min / Max to record signal fluctuations
Ergonomic overmolded housing with integrated probe holders
Free your hands with the optional TPAK magnetic hanger
Auto and Manual ranging
Meets 1000 V CAT III and IV 600 V safety standards
Versatile Multimeter for Field Service or Bench Repair
Fluke 77IV digital multimeter (DMM) has the features needed to repair most electrical and electronic problems. This meter is simple to use and has significant improvements over Fluke's original 70 Series with more measurement functions, conformance to the latest safety standards, and a much larger display that's easier to view.

Function | Maximum | Max Resolution | Accuracy |
---|---|---|---|
Voltage DC | 1000 V | 1 mV | ±(0.3%+1) |
Voltage AC | 1000 V | 1 mV | ±(2.0%+2) |
Current DC | 10 A | 0.01 mA | ±(1.5%+2) |
Current AC | 10 A | 0.01 mA | ±(2.5%+2) |
Resistance | 50 MΩ | 0.1 Ω | ±(0.5%+1) |
Capacitance | 9,999 μF | 1 nF | ±(0.5%+1) |
Frequency | 99.99 kHz | 0.01 Hz | ±(0.1%+1) |

DISPLAY:
Continuity test
Diode test
Negative readings
Unsafe voltage: Voltage ≥ 30 V, or voltage overload (OL)
AutoHOLD is enabled
MIN MAX AVG enabled
nμ F, mVA, Mke, kHz: Measurement units
DC, AC: Direct current, alternating current
Low battery. Replace battery
610000mV: All possible ranges
Bar graph Analog display
Auto Range / Manual Range
Bar graph polarity
The input out of range
Test lead alert
PORTS:
Input terminal for AC and DC milliamp measurements to 400 mA
Input terminal for AC and DC current measurements to 10 A
Input terminal for voltage, continuity, resistance, diode test, capacitance, and frequency measurements
Common (return) terminal for all measurements

What's in the Box
FLUKE-77-4 Digital Multimeter
Installed 9V battery
Test leads
Users manual