Fluke 117 Instruction Manual Article Plan
This article outlines the comprehensive guide to the Fluke 117 True RMS Multimeter. It delves into key features tailored for commercial electricians, including non-contact voltage detection and LoZ mode. The plan covers safety, measurement procedures (AC/DC voltage, current, resistance, frequency, capacitance), and calibration, offering users a complete understanding.
Overview of the Fluke 117 Multimeter
The Fluke 117 is a True RMS digital multimeter specifically designed for commercial and residential electricians. It’s a handheld, battery-powered device known for its accuracy and reliability in various electrical measurements. The Fluke 117 measures AC and DC voltage up to 600V, AC and DC current up to 10A, resistance, capacitance, and frequency. A notable feature of the Fluke 117 is its non-contact voltage detection, which allows electricians to quickly and safely detect the presence of voltage without making direct contact with electrical conductors.
The multimeter also includes a LoZ (low impedance) mode, which helps prevent false readings caused by ghost voltages. The Fluke 117 boasts a large, backlit display for easy reading in dimly lit environments, and its ergonomic design makes it comfortable to hold and use for extended periods. Compliant with CAT III 600V safety standards, the Fluke 117 ensures user safety in demanding electrical environments. It’s an ideal tool for troubleshooting and verifying electrical systems in commercial and residential settings, offering a blend of performance, safety, and ease of use. Its robust construction and comprehensive measurement capabilities make it a valuable asset for any electrician.
Key Features of the Fluke 117
The Fluke 117 True RMS Multimeter is packed with features tailored for professional electricians. Its True RMS measurement capability ensures accurate readings on non-linear signals, crucial for modern electrical systems. The integrated non-contact voltage detection enhances safety by allowing users to identify live wires without physical contact. The Auto-V LoZ function helps eliminate ghost voltages, providing more reliable readings when troubleshooting circuits. The large white LED backlight ensures clear visibility in poorly lit areas, improving efficiency on the job.
The Fluke 117 measures resistance, continuity, frequency, and capacitance, making it a versatile tool for various electrical tasks. Min/Max/Average recording captures signal fluctuations, aiding in problem diagnosis. Its ergonomic design ensures comfortable handling during prolonged use. Safety is paramount, with CAT III 600V rating providing protection in demanding electrical environments. Automatic AC/DC voltage selection streamlines the measurement process. The Fluke 117’s combination of accuracy, safety features, and versatility makes it an indispensable tool for commercial and residential electricians, enabling them to work efficiently and confidently.
Safety Information and Warnings
Before using the Fluke 117 True RMS Multimeter, carefully read and understand all safety information and warnings provided in the user manual. Always inspect the meter and test leads for any damage before each use. Damaged equipment must not be used. Be aware of your surroundings and take necessary precautions to avoid electrical shock. Never work alone when dealing with potentially hazardous voltages. Use appropriate personal protective equipment (PPE), such as insulated gloves and safety glasses.
The Fluke 117 is rated for CAT III 600V environments. Ensure the measurement category of the circuit you are testing matches or exceeds the meter’s rating. Do not exceed the specified voltage or current limits. When measuring voltage, always start with the highest range and decrease as needed to obtain an accurate reading. Avoid applying voltage to the current input jacks. Never open the meter case while power is applied. If the meter displays a low battery indication, replace the batteries immediately to ensure accurate measurements. Follow all local and national safety regulations when working with electrical equipment.
Measuring AC/DC Voltage
To accurately measure AC or DC voltage with the Fluke 117, first, insert the black test lead into the COM terminal and the red test lead into the V terminal. Rotate the rotary switch to the appropriate voltage function, either AC (~) or DC ( ). For unknown voltage types, start with AC, as indicated in some user manuals.
Connect the test leads to the circuit you wish to measure. For AC voltage, polarity does not matter. For DC voltage, ensure the red test lead is connected to the positive side and the black test lead to the negative side of the circuit. Observe the reading on the display. The Fluke 117 features Auto-V LoZ, which can help eliminate ghost voltages, providing a more accurate reading in certain situations. If the reading is unstable, check the connections and ensure the test leads are securely in place. If the display shows OL (overload), select a higher voltage range if manually ranging, or allow the meter to auto-range. Record the voltage measurement, noting the unit (Volts) and the type of voltage (AC or DC). Always disconnect the test leads from the circuit after completing the measurement.
Measuring Current
To measure current with the Fluke 117, it’s crucial to understand the safety implications and proper setup. First, turn off the circuit you intend to measure. Determine if you need to measure AC or DC current. Insert the black test lead into the COM terminal. For current measurements up to 10A, insert the red test lead into the 10A terminal. For smaller current measurements, use the mA terminal, if available on your model.
Set the rotary switch to the appropriate current function (A for Amps, mA for milliamps), either AC or DC. Open the circuit at the point where you want to measure current. Connect the test leads in series with the circuit, meaning the current must flow through the meter. For DC current, observe polarity; connect the red lead to the positive side and the black lead to the negative side. Turn the circuit back on. Read the current value on the display. If the display shows OL, it indicates an overload; immediately turn off the circuit and check your connections and range settings. Never attempt to measure current in a circuit with a voltage exceeding the meter’s rating. After measurement, turn off the circuit before disconnecting the leads.
Measuring Resistance and Continuity
To measure resistance with the Fluke 117, ensure the circuit is de-energized. Remove power from the circuit and discharge any capacitors to prevent damage to the meter. Insert the black test lead into the COM terminal and the red test lead into the Ω terminal. Select the resistance (Ω) function on the rotary switch. Connect the test leads across the component or portion of the circuit you wish to measure.
Observe the reading on the display. If the display shows OL, it indicates the resistance is higher than the meter’s maximum range; select a higher range if available or the component is open. For accurate readings, avoid parallel resistances affecting the measurement; isolate the component if necessary. To test continuity, select the continuity function (usually indicated by a diode symbol or sound wave icon). Touch the test leads together; the meter should beep, indicating continuity. Connect the test leads across the points you want to test for continuity. If the meter beeps, there is a continuous path; if it doesn’t, the circuit is open.
Measuring Frequency (Fluke 117 Only)
The Fluke 117 multimeter can measure the frequency of an AC signal. To measure frequency, first insert the black test lead into the COM terminal and the red test lead into the Hz terminal. Then, select the frequency (Hz) function on the rotary switch. Connect the test leads to the circuit where you want to measure the frequency, ensuring a stable connection.
Observe the reading on the display, which will show the frequency in Hertz (Hz). If the display shows OL, it indicates that the signal frequency is outside the meter’s measurement range. Make sure that the voltage level of the signal is within the specified limits for the frequency measurement function to avoid damaging the meter. For accurate measurements, the signal should be relatively clean and free from excessive noise or distortion. If the reading is unstable, try using a shielded cable to reduce noise interference. The Fluke 117 provides a reliable way to measure frequency in various electrical and electronic applications.
Measuring Capacitance
To accurately measure capacitance with the Fluke 117, begin by ensuring the circuit is de-energized and any capacitors are fully discharged to prevent damage to the meter or personal injury. Insert the black test lead into the COM terminal and the red test lead into the capacitance (F) terminal. Select the capacitance function on the rotary switch, typically indicated by a capacitor symbol.
Connect the test leads across the capacitor to be measured, ensuring good contact. The meter will display the capacitance value, usually in microfarads (µF) or nanofarads (nF). If the display shows OL, it indicates the capacitance value is beyond the meter’s range. For small capacitance values, ensure the leads are short and close to the capacitor to minimize stray capacitance affecting the reading. The Fluke 117 provides a reliable and straightforward method for measuring capacitance in various electronic circuits and components.
Using the Non-Contact Voltage Detection Feature
The Fluke 117’s non-contact voltage detection feature is a valuable safety tool for electricians. To use it, first ensure the meter is powered on. Locate the non-contact voltage (NCV) symbol on the meter, often represented by a radiating signal icon. Select the NCV function using the rotary switch.
Hold the top of the meter near the electrical conductor you want to test, such as a wire or outlet. The Fluke 117 will detect the presence of AC voltage without requiring direct contact. If voltage is detected, the meter will typically emit an audible beep and illuminate a visual indicator on the display. This feature is useful for quickly identifying live wires, checking for energized circuits, and tracing wires within walls or electrical panels. Remember that this is an indicative test and should not replace standard voltage measurements.
Using the LoZ Mode
The Fluke 117’s Low Impedance (LoZ) mode is designed to eliminate “ghost voltages” that can provide false readings on high-impedance multimeters. Ghost voltages are often caused by capacitive coupling between adjacent wires and can mislead users into thinking a circuit is live when it is not.
To use the LoZ mode, select the AC voltage function on the meter’s rotary switch. Then, press the LoZ button (if present) or select the LoZ option from the menu. The meter will now display AC voltage with a lower input impedance, effectively shunting any ghost voltages to ground. This allows you to accurately determine if a circuit is truly energized before working on it. It is important to note that LoZ mode can load down sensitive circuits, so it should only be used when necessary to eliminate ghost voltages. This mode improves safety and efficiency.
Display and Hold Function
The Fluke 117 features a clear and easy-to-read digital display, providing accurate measurements at a glance. The display typically includes a numerical value, unit of measure, and any active function indicators, such as AC or DC.
The Hold function allows the user to freeze the current reading on the display, which is useful in situations where it is difficult to simultaneously view the display and take the measurement.
To activate the Hold function, simply press the HOLD button on the meter. The display will freeze, and a Hold indicator will typically appear on the screen. To release the Hold function and return to live measurements, press the HOLD button again.
The display also often features a backlight, which can be activated to improve visibility in dimly lit environments. The Hold function enhances the practicality and user-friendliness of the Fluke 117, making it ideal for demanding electrical troubleshooting tasks.
Calibration Information
Calibration is a critical aspect of maintaining the accuracy and reliability of the Fluke 117 multimeter. Regular calibration ensures that the instrument continues to provide measurements within its specified tolerances. Fluke recommends that the 117 be calibrated annually to ensure optimal performance.
Calibration should be performed by qualified personnel using calibrated equipment that is traceable to national or international standards. The calibration process typically involves verifying the meter’s performance against known standards for voltage, current, resistance, and other functions. Adjustments are made as needed to bring the meter back into compliance with its specifications.
Detailed calibration procedures and specifications can be found in the Fluke 117 service manual. This manual provides step-by-step instructions for calibrating each function of the meter, as well as information on the required test equipment and standards.
Fluke also offers calibration services through its authorized service centers. These centers have the expertise and equipment necessary to calibrate the 117 to the highest standards. Contact Fluke or an authorized service center for more information on calibration services.
Accessing and Downloading the User Manual
The Fluke 117 user manual is an essential resource for understanding the multimeter’s features, functions, and safety information. It provides detailed instructions on how to use the meter to measure voltage, current, resistance, and other parameters. The manual also includes important safety warnings and precautions that should be followed to prevent injury or damage to the instrument.
The user manual can be accessed and downloaded from the Fluke website. To download the manual, visit the Fluke website and search for the Fluke 117 product page. On the product page, you will find a link to download the user manual in PDF format.
Alternatively, you can visit the Fluke support website and search for the Fluke 117 user manual. The support website provides access to a variety of resources, including user manuals, application notes, and FAQs.
The user manual is also included on the CD-ROM that comes with the Fluke 117 multimeter. If you have the CD-ROM, you can insert it into your computer and access the user manual from there.
