Fluke 177 user manual

The Fluke 175 and 177 are both digital multimeters (DMMs) manufactured by Fluke Corporation. While they share many similarities, there are a few key differences between the two models.
1. True RMS measurements: The Fluke 177 offers True RMS AC voltage and current measurements, whereas the Fluke 175 provides Average AC voltage and current measurements. True RMS measurements provide a more accurate reading for non-sinusoidal or distorted waveform signals, making the Fluke 177 suitable for a wider range of applications.
2. Additional measurement functions: The Fluke 177 includes some extra measurement functions not found in the Fluke 175. These functions include a frequency counter, duty cycle measurement, and capacitance measurement. These additional features can be helpful in specific scenarios where these parameters need to be determined.
3. Backlight display: The Fluke 177 features a built-in backlight for its display, making it easier to read in low-light or dimly lit environments. The Fluke 175 does not have this backlighting capability, which may make it slightly more challenging to read in certain lighting conditions.
Apart from these differences, both models are built with the same high-quality standards and offer similar basic functionalities such as voltage, current, resistance, continuity, and diode tests.

Fluke multimeters typically have a variety of symbols that represent different functions and features of the device. The specific symbols may vary between different models, but here are some common symbols found on Fluke multimeters and their meanings:
1. "V" or "~": Represents AC voltage measurement mode.
. "V" with a straight line above it: Indicates DC voltage measurement mode.
3. "A" or "mA": Stands for amperes or milliamperes, representing current measurement mode.
4. "Ω" or "Ohm": Denotes resistance measurement mode.
5. "~" with a horizontal line through it: Indicates the device can measure AC current.
6. "^" or "Continuity": Represents continuity testing mode, used to check if a circuit is complete.
7. "Diode": Indicates the diode testing mode.
8. "Hz" or "frequency": Denotes frequency measurement mode.
9. "°C" or "°F": Represents the Celsius or Fahrenheit temperature measurement mode.
10. "Hold": Indicates the device can freeze or hold a reading.
11. "Min" or "Max": Shows the minimum or maximum value recorded by the device.
12. "Auto" or "AutoRanging": Represents the automatic ranging feature, where the meter selects the appropriate measurement range.
13. "Alert" or "Warning": Indicates an alert or warning function, such as high-voltage detection or input overload.
14. "Battery": Denotes the battery status or low battery indication.
15. "COM" or "Common": Represents the common terminal for connecting the black or negative test lead.
It is important to refer to the user manual of the specific Fluke multimeter model for comprehensive information on the symbols and their meanings, as they may vary based on the model.