The Fluke 87 III is a premium True RMS multimeter, renowned for its accuracy and durability, designed for versatile use in field, lab, and home environments.
1.1 Overview of the Fluke 87 III
The Fluke 87 III is a high-precision, True RMS multimeter designed for versatility and reliability. With a 4000-count display, it offers exceptional accuracy in measuring voltage, current, resistance, and more. Its rugged design ensures durability in harsh environments, while built-in functions like frequency counting and temperature measurement enhance its functionality. Ideal for field, laboratory, and home use, the Fluke 87 III combines advanced features with user-friendly controls, making it a trusted tool for professionals and hobbyists alike.
1.2 Importance of the User Manual
The user manual is essential for maximizing the Fluke 87 III’s potential, ensuring safe and effective use. It provides detailed instructions on operating modes, safety precautions, and troubleshooting. The manual also explains advanced features like frequency counting and temperature measurement. By following the guidelines, users can avoid electrical hazards and maintain the multimeter’s accuracy. Whether for professionals or hobbyists, the manual is a critical resource for understanding and utilizing the Fluke 87 III’s full capabilities.
Key Features and Capabilities
The Fluke 87 III offers True RMS technology, multifunctionality for voltage, current, and resistance, durable design for harsh environments, and optional temperature measurement capabilities.
2.1 True RMS Technology
The Fluke 87 III features True RMS technology, ensuring accurate measurements of non-linear waveforms. This capability is crucial for precise voltage, current, and resistance readings in various applications. True RMS provides reliable results even with distorted signals, making it ideal for industrial and fieldwork environments. The technology enhances measurement accuracy, reducing errors and ensuring consistent performance. This feature is particularly valuable for professionals requiring high-precision data to maintain safety and efficiency in electrical systems and circuits.
2.2 Multifunctionality: Voltage, Current, Resistance, and More
The Fluke 87 III multimeter excels in versatility, offering precise measurements of voltage, current, resistance, and capacitance. Its multifunctional design allows users to handle a wide range of electrical tasks efficiently. The device supports both AC and DC measurements, with high accuracy and resolution. Additionally, it includes a built-in thermometer for temperature readings, enhancing its utility in HVAC and automotive applications. The intuitive interface, featuring a rotary dial, simplifies function selection, making it a reliable tool for professionals and hobbyists alike, ensuring comprehensive troubleshooting and diagnostic capabilities in various environments.
2.3 Durable Design and Build Quality
The Fluke 87 III boasts a rugged and durable design, built to withstand harsh working conditions. Its robust housing and high-quality materials ensure long-lasting performance. The multimeter is drop-resistant and constructed to endure demanding environments, making it ideal for field use. The device also features a secure grip and protective holster, further enhancing its durability. With a focus on reliability and resilience, the Fluke 87 III is designed to provide years of accurate and dependable service, even in the toughest settings.
2.4 Temperature Measurement Options
The Fluke 87 III offers versatile temperature measurement capabilities, supporting both built-in temperature probes and external type-K thermocouples. This feature is particularly useful for applications like HVAC and automotive diagnostics. The multimeter provides accurate temperature readings, enhancing its utility in diverse environments. With this functionality, users can seamlessly integrate temperature monitoring into their workflows, making it an essential tool for professionals requiring comprehensive measurement solutions. This feature underscores the Fluke 87 III’s adaptability and versatility in meeting various industrial and technical needs.
Safety Information and Precautions
Adhering to safety guidelines is crucial when using the Fluke 87 III. Understanding CAT III 1000V rating and avoiding electrical shock ensures safe operation and protects both user and equipment.
3.1 General Safety Guidelines
Always read the safety information before using the Fluke 87 III. Ensure the meter is in good working condition and select the proper function for your measurement. Avoid electrical shock by exercising caution when working with voltages above 60V. Use appropriate test leads and probes, and never exceed the meter’s rated specifications. Regularly inspect the equipment for damage. Store the multimeter in a dry, cool place, and follow all manufacturer guidelines to ensure safe operation and maintain accuracy.
3.2 Understanding CAT III 1000V Rating
The Fluke 87 III is rated CAT III 1000V, indicating its safety certification for use in environments with potentially hazardous voltage levels. CAT III (Category III) devices are designed to protect against voltage transients and spikes in industrial or commercial settings. The 1000V rating ensures the multimeter can safely measure voltages up to 1000 volts AC/DC in these environments. Always adhere to the CAT III 1000V specifications to maintain user safety and prevent damage to the device. This rating guarantees reliable performance under challenging conditions.
3.3 Avoiding Electrical Shock
Avoiding electrical shock is critical when using the Fluke 87 III. Always set the multimeter to the correct function before measurement. Use appropriate probes rated for the voltage level. Avoid direct contact with live circuits and ensure hands are dry. Keep the work area clear of water and conductive materials. Never bypass the multimeter’s input protection. Adhere to the manual’s guidelines and the device’s CAT III 1000V rating to ensure safety. Proper usage prevents accidents and protects both the user and the instrument from damage.
Getting Started with the Fluke 87 III
Unpack and inventory the multimeter, ensuring all accessories are included. Familiarize yourself with the controls and display. Read the manual for initial setup guidance.
4.1 Unpacking and Inventory
Carefully unpack the Fluke 87 III multimeter and verify all components are included. Typically, the package contains the multimeter, test leads, probes, a user manual, and additional accessories. Inspect each item for damage or defects. Refer to the manual for a detailed list of included items and specifications. If any components are missing or damaged, contact Fluke support immediately. Ensure the multimeter is properly stored in its protective case when not in use to maintain its condition and functionality. Always check the CAT III 1000V rating before use.
4.2 Familiarizing Yourself with the Controls
The Fluke 87 III features a user-friendly interface with a rotary switch for selecting measurement functions, such as voltage, current, resistance, and frequency. The large, backlit display provides clear readings, with a 4000-count resolution for precision. Additional controls include the RANGE button for adjusting measurement scales and the HOLD button to freeze readings. The input terminals are clearly labeled, and the multimeter includes a beeper for continuity testing. Understanding these controls ensures efficient and accurate measurements. Always refer to the manual for detailed descriptions and operation guidance.
4.3 Initial Setup and Configuration
Before using the Fluke 87 III, ensure all components are included and inspect for damage. Install the batteries if not already fitted. Familiarize yourself with the terminal locations and function labels. Power on the multimeter and verify the display is operational. For basic configuration, select the desired measurement function using the rotary switch and adjust settings as needed. Refer to the manual for detailed setup instructions to optimize performance and ensure accurate measurements. Proper initial configuration is essential for safe and effective operation.
Operating Instructions
Select the desired measurement function using the rotary switch, ensuring proper probe connections. Turn the switch to the appropriate range for accurate readings. Always refer to the manual for specific instructions and safety guidelines to ensure precise and safe operation of the Fluke 87 III multimeter.
5.1 Selecting the Correct Measurement Function
To ensure accurate measurements, select the correct function using the rotary switch. Choose from voltage, current, resistance, or specialized modes like frequency or duty cycle. Press the RANGE button to adjust the measurement range for precise readings. Always connect probes to the correct terminals, ensuring they match the selected function. Refer to the manual for specific guidance on function selection and range settings to optimize performance and safety during measurements with the Fluke 87 III multimeter.
5.2 Using the Rotary Switch
The rotary switch on the Fluke 87 III allows quick selection of measurement functions. Rotate the switch to choose voltage, current, resistance, or specialized modes like frequency or duty cycle. Ensure the switch is firmly set to the desired function to avoid incorrect readings. After selecting the function, use the RANGE button to adjust the measurement range for optimal accuracy. Always align the function with the terminals used to maintain safety and ensure reliable results during measurements.
5.3 Reading and Interpreting the Display
The Fluke 87 III features a high-resolution, 4000-count LCD display for precise measurements. The digital readout shows numerical values, while the analog bar graph provides real-time signal trends. Use the HOLD button to freeze measurements for easy interpretation. The display also includes a backlight for visibility in low-light conditions. Ensure the function and range are correctly set before reading. The display updates automatically, and indicators like “OL” or “L” signal overflow or low battery. Always verify the units and decimal points for accurate interpretation of results.
Advanced Features and Functions
The Fluke 87 III offers advanced features like Frequency Counter Mode, Duty Cycle Measurement, and Input Alert for enhanced functionality, making it a versatile tool for professionals.
6.1 Frequency Counter Mode
The Fluke 87 III features a Frequency Counter Mode, enabling precise measurement of frequencies between 0.5 Hz and 200 kHz. This advanced function is ideal for field and laboratory applications, providing accurate readings for waveform analysis. The multimeter automatically detects and displays frequency, simplifying tasks in electrical and industrial settings. With high resolution and reliability, this mode enhances diagnostic capabilities, ensuring precise measurements for various applications, from motor drive systems to communication equipment.
6.2 Duty Cycle Measurement
The Fluke 87 III offers a Duty Cycle Measurement feature, displaying values from 0.1% to 99.9%. This function is essential for analyzing pulse-width-modulated (PWM) signals in applications like motor drives, LED dimming, and industrial control systems. By accurately measuring the ratio of signal on-time to total cycle time, this mode helps diagnose issues in electronic circuits and ensure proper system operation. Its precision and ease of use make it a valuable tool for technicians and engineers in field and laboratory settings.
6.3 Input Alert Functionality
The Fluke 87 III features an Input Alert Functionality that enhances user experience by providing audible feedback during measurements. This mode triggers a beeper when input thresholds are exceeded, ensuring quick detection of potential issues. It is particularly useful for identifying circuit continuity, voltage levels, or signal presence without constant display monitoring. The beeper operates across various measurement functions, offering an additional layer of convenience and safety for technicians working in fast-paced environments. This feature is customizable, allowing users to tailor alerts to specific measurement conditions, thereby streamlining diagnostic processes.
Maintenance and Calibration
Regular maintenance and calibration are crucial to ensure the Fluke 87 III’s accuracy and longevity. Cleaning, proper storage, and battery care are essential. Calibration should be performed as specified to maintain precision and reliability, ensuring the multimeter continues to deliver accurate measurements in demanding environments.
7.1 Cleaning and Storage Tips
Regular cleaning and proper storage are vital for maintaining the Fluke 87 III’s performance. Use a soft, dry cloth to wipe the exterior and avoid harsh chemicals. For stubborn marks, a slightly damp cloth may be used, but ensure no moisture enters the device. Store the multimeter in its protective case in a cool, dry environment. Avoid exposure to direct sunlight or extreme temperatures. Check accessories for wear and tear, and replace them as needed to ensure optimal functionality and longevity.
7.2 Battery Maintenance
To ensure optimal performance, the Fluke 87 III requires proper battery care. Use high-quality AA alkaline batteries for reliable operation. Turn off the multimeter before replacing batteries to prevent configuration loss. Avoid using dead or weak batteries, as they may cause inaccurate measurements. Store spare batteries in a cool, dry place. Regularly inspect batteries for signs of wear or leakage and replace them immediately if damage is detected. Always follow the manufacturer’s guidelines for disposal and recycling of used batteries.
7.3 Calibration Requirements
The Fluke 87 III requires periodic calibration to maintain its accuracy. Calibration should be performed every 12 months or as specified by the user manual. Use the self-test function to verify calibration status. For precise adjustments, refer to the manual’s calibration guide or contact an authorized Fluke service center. Ensure all calibration procedures follow the manufacturer’s instructions to uphold measurement precision and warranty validity. Proper calibration ensures compliance with industry standards and guarantees reliable performance in demanding environments.
Troubleshooting Common Issues
Identify common issues like measurement errors or display malfunctions. Check connections, settings, and battery life. Consult the manual or contact Fluke support for unresolved problems.
8.1 Diagnosing Measurement Errors
Measurement errors with the Fluke 87 III can often be traced to incorrect range settings or worn-out probes. Ensure the rotary switch is set to the correct function and range for your measurement. Verify probe connections and cleanliness, as dirty or damaged probes can lead to inaccurate readings. Check for external interference, such as nearby electrical noise sources. If issues persist, review the user manual for calibration procedures or contact Fluke support for assistance. Always ensure the multimeter is properly powered and calibrated before use.
8.2 Resolving Display Malfunctions
If the Fluke 87 III display is malfunctioning, start by ensuring the multimeter is properly powered on and batteries are not depleted. Check for loose connections or damaged probes, as these can cause erratic readings. If the display is frozen, perform a soft reset by turning the device off and on. For persistent issues, refer to the user manual for calibration steps or contact Fluke support. Ensure no external interference is affecting the display accuracy. Regularly updating firmware, if available, can also resolve display-related problems effectively.
8.3 Addressing Input Protection Issues
If input protection issues arise on your Fluke 87 III, ensure the meter is used within its rated CAT III 1000V specifications. Avoid exceeding measurement ranges, as this can trigger overload protection. Verify that all probes and leads are undamaged and rated for the application. If the input is overloaded, allow the meter to reset before continuing. For persistent issues, refer to the user manual or contact Fluke support for professional assistance. Always follow safety guidelines to prevent damage to the device or personal injury.
Technical Specifications
The Fluke 87 III features a 4000-count display, True RMS technology, and a CAT III 1000V rating, ensuring precise and safe electrical measurements across various applications.
9.1 Measurement Ranges and Accuracy
The Fluke 87 III offers extensive measurement ranges with high precision. It measures DC voltage from 0.1mV to 1000V and AC voltage up to 1000V with True RMS accuracy. Current measurements range from 1mA to 10A in DC and 1mA to 10A in AC. Resistance can be measured from 0.1Ω to 40MΩ using the four-wire method for high accuracy. Temperature readings are supported via a type-K thermocouple, ensuring versatility. With a 4000-count display, the device delivers precise results, making it reliable for professional use across various applications.
9.2 Input Protection and Safety Standards
The Fluke 87 III features robust input protection, ensuring safety during measurements. It meets CAT III 1000V safety standards, protecting against high voltage surges. The multimeter includes overload protection for all ranges and is designed to prevent damage from accidental misuse. Compliance with international safety standards ensures reliable operation. These features safeguard both the user and the device, making it suitable for demanding environments. The Fluke 87 III’s safety mechanisms are essential for preventing electrical hazards and ensuring accurate measurements in challenging conditions.
9.3 Environmental Operating Conditions
The Fluke 87 III operates effectively in various environments, with a temperature range of -20°C to 55°C (-4°F to 131°F) and humidity up to 90% RH. Storage conditions extend from -40°C to 60°C (-40°F to 140°F). It is designed to function reliably in harsh conditions, including high altitudes and dusty environments. These specifications ensure the multimeter performs consistently in field, laboratory, and industrial settings. Proper environmental conditions help maintain accuracy and extend the instrument’s lifespan.
Accessories and Optional Equipment
The Fluke 87 III supports various accessories, including high-quality test probes, leads, and optional temperature probes, ensuring versatility and enhanced functionality for diverse measurement needs.
10.1 Recommended Probes and Leads
The Fluke 87 III works seamlessly with a variety of high-quality test probes and leads, ensuring accurate and reliable measurements. Standard probes are designed for general-purpose use, while optional leads, such as temperature probes, expand functionality. Durable and insulated leads provide enhanced safety, meeting CAT III 1000V standards. Using Fluke-approved accessories guarantees compatibility and optimal performance. These probes and leads are rigorously tested to maintain the multimeter’s precision and durability, making them essential for professional and industrial applications. They are available directly from Fluke or authorized distributors.
10.2 Additional Accessories for Enhanced Functionality
The Fluke 87 III can be enhanced with optional accessories to expand its capabilities. These include high-quality test leads, alligator clips, and thermocouple probes for temperature measurements. Magnetic hanging straps and carrying cases are available for convenience. Additional probes, such as current clamps, enable advanced measurements. These accessories are designed to maintain the multimeter’s precision and durability, ensuring reliable performance in various environments. They are available from Fluke or authorized distributors, offering users a comprehensive toolkit for professional applications.
Frequently Asked Questions (FAQs)
Find answers to common questions about the Fluke 87 III, such as measurement techniques, safety tips, and troubleshooting. This section helps users optimize their multimeter experience.
11.1 Common User Questions
Users often ask how to measure voltage, current, and resistance accurately. They inquire about the maximum voltage the multimeter can handle and how to use the rotary dial. Questions also arise about temperature measurement and continuity testing. Many want to know how to interpret the display and resolve common errors. Additionally, users seek advice on calibrating the device and understanding safety ratings like CAT III 1000V. These questions are addressed to help users optimize their experience with the Fluke 87 III.
11.2 Troubleshooting FAQs
FAQs address common issues like display malfunctions, incorrect readings, and input protection failures. Users ask how to resolve measurement errors, such as inaccurate voltage or current readings. Questions also cover how to fix issues with the rotary switch or probe connections. Additionally, FAQs provide solutions for addressing beeper malfunctions and understanding error codes. These troubleshooting tips help users quickly identify and resolve problems, ensuring accurate and reliable measurements with the Fluke 87 III multimeter.
Customer Support and Service Information
Fluke offers dedicated support: call 1-888-99-FLUKE (USA), 1-800-36-FLUKE (Canada), or 31 402-678-200 (Europe) for assistance. Service and repair options are detailed in the manual or online.
12.1 Contacting Fluke Support
For assistance with the Fluke 87 III, contact Fluke support at 1-888-99-FLUKE (USA) or 1-800-36-FLUKE (Canada). International users can reach support at 31 402-678-200. Representatives are available to address product inquiries, repair requests, and technical issues. Additionally, Fluke’s official website provides access to service information, repair options, and contact forms for further support. Service centers are equipped to handle repairs and ensure compliance with safety standards, guaranteeing reliable solutions for your multimeter needs.
12.2 Service and Repair Options
Fluke offers comprehensive service and repair options for the 87 III multimeter. Service centers are equipped to handle repairs, ensuring compliance with safety standards and performance specifications. For warranty or out-of-warranty repairs, contact Fluke support to obtain a repair request form. Repairs are performed using genuine Fluke parts, guaranteeing reliability and accuracy. Additionally, Fluke provides maintenance services to ensure optimal functionality, extending the lifespan of your multimeter. All repairs are conducted by skilled technicians, ensuring your device meets original factory standards for precision and durability.
The Fluke 87 III multimeter is a reliable, accurate tool for professionals, offering durability and versatility. Always refer to the manual for optimal use and maintenance.
13.1 Summary of Key Takeaways
The Fluke 87 III multimeter is a high-performance tool offering exceptional accuracy, versatility, and durability. It excels in measuring voltage, current, resistance, and temperature, with advanced features like True RMS technology and frequency counting. Designed for tough environments, it ensures reliable results and user safety through robust input protection and CAT III 1000V rating. Regular maintenance, proper setup, and adherence to safety guidelines are crucial for optimal performance. This multimeter is an essential asset for professionals seeking precision and reliability in electrical applications.
13.2 Final Tips for Optimal Use
To maximize the performance of your Fluke 87 III, always use high-quality test leads and probes. Regularly calibrate the multimeter to ensure accuracy. Store the device in a dry, cool environment to prevent damage. Familiarize yourself with the user manual to explore advanced features like frequency counting and duty cycle measurement. For troubleshooting, refer to the manual or contact Fluke support for assistance. By following these guidelines, you can extend the lifespan of your multimeter and achieve precise, reliable results in every measurement;
