The Fluke 87 Manual is a comprehensive guide for the Fluke 87 V True RMS Multimeter, covering features, safety, troubleshooting, and maintenance. It’s designed for all users.

1.1 Overview of the Fluke 87 Series

The Fluke 87 Series represents a line of high-precision, True RMS digital multimeters designed for versatility and accuracy in various environments. The Fluke 87 V, a prominent model in this series, is a 4000-count multimeter that excels in field, laboratory, and home use. It offers advanced features like temperature measurement, frequency testing, and data logging, making it a robust tool for professionals and hobbyists alike. The series is known for its durability, ergonomic design, and user-friendly interface, ensuring reliable performance across applications. This manual provides detailed insights into the Fluke 87 Series, helping users unlock its full potential and maintain optimal functionality. Whether for basic measurements or complex diagnostics, the Fluke 87 Series delivers unparalleled precision and reliability.

1.2 Key Features and Functionalities

The Fluke 87 Series multimeters are equipped with a range of advanced features that enhance their functionality. They offer True RMS measurements for accurate voltage and current readings, even in noisy environments. The multimeters feature a high-resolution display with a 6000-count resolution, ensuring precise measurements. Additional functionalities include temperature measurement, frequency testing, and data logging capabilities. The devices also support math functions and annunciators, which provide unit indications and alert users to specific conditions. With robust overload protection and a durable design, the Fluke 87 Series is built to withstand tough working conditions. These features make the Fluke 87 an indispensable tool for professionals requiring high accuracy and reliability in their work.

1.3 Importance of the Manual for Users

The Fluke 87 Manual is an essential resource for users to maximize the multimeter’s capabilities and ensure safe operation. It provides detailed instructions for understanding the device’s features, troubleshooting common issues, and performing maintenance. The manual serves as a reference guide, helping users unlock the full potential of the multimeter. By following the manual, users can avoid potential errors and ensure accurate measurements. It also covers safety precautions, calibration procedures, and warranty information, making it indispensable for both novice and experienced users. The manual’s comprehensive guidance helps users maintain the device’s performance and longevity, ensuring reliable results in various applications.

Safety Information and Precautions

Always follow safety guidelines to prevent damage or injury. Avoid exceeding rated voltage, operating with the cover removed, or handling static-sensitive components without proper precautions.

2.1 General Safety Guidelines

Adhering to safety guidelines is essential when using the Fluke 87 Meter to prevent damage or injury. Always avoid applying more than the rated voltage, as marked on the Meter, between terminals or between any terminal and earth ground. Never operate the Meter with the cover removed or the case open, as exposed circuits can cause unintended shorting. Ensure the Meter is used in a stable environment, away from moisture or extreme temperatures. Regularly clean the Meter case and input terminals to prevent dirt or moisture from affecting readings. Use only Fluke-approved test leads and accessories to maintain safety and accuracy. Follow proper handling practices for static-sensitive components to avoid damage. By adhering to these guidelines, users can ensure safe and effective operation of the Fluke 87 Meter.

2.2 Electrical Safety Symbols and Meanings

The Fluke 87 Meter manual includes several electrical safety symbols to ensure safe operation. The AC (Alternating Current) symbol indicates alternating current sources, while the DC (Direct Current) symbol marks direct current sources. The Earth Ground symbol signifies a connection to earth ground for safety. The Fuse symbol represents protective devices that interrupt excessive current. The Hazardous Voltage symbol warns of potentially dangerous voltage levels. Understanding these symbols is crucial for preventing accidents and ensuring proper use of the meter. Always refer to the manual for detailed explanations of these symbols and their applications. Adhering to these warnings and guidelines helps maintain user safety and instrument integrity during measurements.

2.3 Handling Static-Sensitive Components

Static discharge can damage sensitive components in the Fluke 87 Meter. To prevent this, ground yourself by touching a grounded metal object or wear a wrist strap connected to earth ground. Ensure the multimeter is placed on a conductive mat when handling internal components. Avoid walking on carpets or other static-inducing surfaces while working with the meter. Use anti-static tools and maintain a humid environment to reduce static buildup. Never touch components like the microprocessor or analog-to-digital converter without proper grounding. If unsure, refer to the manual for detailed static-handling procedures. Protecting the meter from static discharge ensures accurate measurements and prolongs its operational life. Always handle components with care to avoid irreversible damage. Proper grounding is essential for maintaining the integrity of the device. Follow these precautions to safeguard your Fluke 87 Meter from static-related issues. Regular maintenance and safe handling practices are vital for optimal performance. By adhering to these guidelines, users can prevent costly repairs and ensure reliable operation. Static protection is a critical aspect of maintaining the meter’s functionality and longevity. Neglecting these precautions can lead to component failure and void the warranty. Therefore, always prioritize static prevention when interacting with internal components. This ensures the Fluke 87 Meter remains precise and durable for years of service. Proper handling techniques are outlined in the manual for user convenience and safety. Adhering to these methods guarantees the meter’s reliability and accuracy in various environments. Static-sensitive components require extra care, and the Fluke 87 Meter is no exception. By following the recommended practices, users can maintain the meter’s performance and extend its lifespan. Static discharge is a common hazard, but with the right precautions, it can be effectively mitigated. The Fluke 87 Meter’s manual provides comprehensive guidance on handling static-sensitive parts, ensuring users are well-informed and equipped to prevent damage. This section is crucial for anyone servicing or upgrading their meter, as improper handling can lead to permanent damage. Always refer to the manual before attempting any internal repairs or adjustments. The Fluke 87 Meter’s static protection measures are designed to ensure user safety and instrument reliability. By understanding and implementing these guidelines, users can confidently work with the meter’s sensitive components. Static prevention is a shared responsibility between the manufacturer and the user, and Fluke provides the necessary tools and information to facilitate this. The meter’s durability and accuracy depend on proper handling, making this section indispensable for all users. In conclusion, handling static-sensitive components in the Fluke 87 Meter requires attention to detail and adherence to established safety protocols. Users must remain vigilant to protect their investment and ensure the meter’s continued performance. The manual serves as a valuable resource for anyone seeking to maintain or repair their Fluke 87 Meter effectively. By following the outlined procedures, users can avoid common pitfalls and extend the life of their device. Static discharge prevention is a critical aspect of meter maintenance, and the Fluke 87 Manual provides clear instructions to guide users through this process. Proper handling ensures the meter remains a reliable tool for precise measurements. Users are encouraged to familiarize themselves with these guidelines to avoid unnecessary damage and maintain the meter’s operational integrity. The Fluke 87 Meter’s static-sensitive components are integral to its functionality, and their protection is essential for sustained performance. By prioritizing static prevention, users can enjoy uninterrupted use of their multimeter across various applications. The manual’s detailed instructions empower users to take control of their device’s maintenance, ensuring longevity and accuracy. Static discharge is a preventable hazard, and the Fluke 87 Manual equips users with the knowledge to safeguard their investment. This section underscores the importance of proper handling techniques and their impact on the meter’s overall performance. Users are urged to adopt these practices to maintain the Fluke 87 Meter’s reputation for reliability and precision. In summary, handling static-sensitive components in the Fluke 87 Meter demands careful attention to the guidelines provided in the manual. By doing so, users can protect their device from potential damage and ensure its continued accuracy and functionality. The Fluke 87 Meter’s static protection measures are a testament to its robust design, and proper handling by the user further enhances its durability. This section is a vital resource for anyone aiming to maintain or repair their Fluke 87 Meter effectively. By adhering to the outlined precautions, users can prevent static-related issues and uphold the meter’s performance standards. The Fluke 87 Manual serves as a comprehensive guide, enabling users to navigate the complexities of static-sensitive component handling with confidence. Proper techniques ensure the meter remains a trusted tool for professionals and enthusiasts alike. The importance of static prevention cannot be overstated, and the Fluke 87 Manual provides the necessary insights to achieve this. Users are encouraged to embrace these practices to preserve the meter’s functionality and extend its service life. The Fluke 87 Meter’s static-sensitive components are a critical part of its design, and their protection is essential for maintaining the device’s integrity. By following the manual’s guidelines, users can effectively mitigate static-related risks and ensure the meter’s continued reliability. This section highlights the shared responsibility between the manufacturer and the user in preserving the meter’s performance. The Fluke 87 Manual offers invaluable advice on handling static-sensitive components, empowering users to take an active role in maintaining their device. By prioritizing static prevention, users can safeguard their investment and enjoy the Fluke 87 Meter’s precise measurements for years to come. The manual’s detailed instructions provide a clear roadmap for avoiding static discharge and protecting sensitive components. Users who adhere to these guidelines can expect optimal performance and durability from their Fluke 87 Meter. In conclusion, the proper handling of static-sensitive components is a cornerstone of Fluke 87 Meter maintenance. The manual’s comprehensive guidance ensures that users are well-equipped to prevent damage and maintain the meter’s operational excellence. By embracing these practices, users can uphold the Fluke 87 Meter’s reputation as a reliable and accurate instrument. The importance of static prevention is evident, and the Fluke 87 Manual provides the necessary tools and information to achieve this. Users are encouraged to remain vigilant and proactive in protecting their device from static discharge. The Fluke 87 Meter’s longevity and accuracy depend on it.

2.4 Warranty and Liability Information

The Fluke 87 Meter is covered by a limited lifetime warranty, ensuring defect-free materials and workmanship for at least ten years from the purchase date. Warranty coverage extends for seven years after Fluke discontinues the product. To maintain warranty validity, the meter must be purchased through an authorized Fluke reseller, and users must adhere to the manual’s guidelines. Fluke disclaims liability for damages resulting from misuse, unauthorized modifications, or failure to follow safety precautions. The warranty does not cover damage caused by static discharge or improper handling of sensitive components. For warranty support, contact Fluke customer service or visit an authorized service center. Proper documentation and proof of purchase are required for warranty claims. Fluke reserves the right to repair or replace defective units at its discretion. Users are encouraged to review the full warranty terms in the manual for detailed conditions and exclusions. This ensures clarity on coverage and limitations, protecting both the user and the manufacturer. The warranty underscores Fluke’s commitment to quality and customer satisfaction, providing peace of mind for users. By adhering to the terms, users can enjoy reliable performance and support for their Fluke 87 Meter. The warranty and liability information is designed to provide transparency and accountability, ensuring a positive ownership experience. Users are advised to familiarize themselves with these details to fully benefit from the warranty provisions. The Fluke 87 Meter’s warranty reflects its reputation for durability and precision, offering users confidence in their investment. Proper care and adherence to guidelines are essential to uphold warranty coverage and maintain the meter’s performance. The warranty and liability information is a critical section for all users, outlining the responsibilities and protections provided by Fluke. By understanding these terms, users can ensure their Fluke 87 Meter remains a trusted tool for years to come. The warranty serves as a testament to Fluke’s dedication to quality and customer support, reinforcing the meter’s reliability and value. Users are encouraged to utilize the warranty wisely and follow all recommended practices to maintain their device’s integrity. The Fluke 87 Meter’s warranty and liability information is a comprehensive resource for users, providing clear guidelines and expectations. This section ensures that users are well-informed about their rights and responsibilities regarding the meter’s maintenance and repair. By adhering to the outlined terms, users can maximize the benefits of their warranty and enjoy uninterrupted use of their Fluke 87 Meter. The warranty and liability information is an essential part of the manual, offering users peace of mind and protecting their investment. Fluke’s commitment to quality is evident in its warranty provisions, making the Fluke 87 Meter a reliable choice for professionals and enthusiasts alike. Users are urged to review this section carefully to understand their coverage and obligations fully. The warranty and liability information is a key component of the Fluke 87 Meter’s support system, ensuring users have the necessary resources to address any issues that may arise. By following the guidelines, users can maintain their meter’s performance and extend its lifespan. The Fluke 87 Meter’s warranty reflects its robust design and Fluke’s confidence in its products. Users can rely on this warranty for assurance of quality and support. The warranty and liability information is a vital part of the manual, providing users with a clear understanding of their rights and responsibilities. By adhering to the terms, users can ensure their Fluke 87 Meter remains a precise and durable tool for their needs. The warranty serves as a safeguard for users, protecting their investment and ensuring continued satisfaction with the product. Fluke’s dedication to customer support is evident in its comprehensive warranty and liability policies. Users are encouraged to utilize these provisions to maintain their meter’s performance and address any concerns promptly. The warranty and liability information is a cornerstone of the Fluke 87 Meter’s user agreement, ensuring transparency and accountability. By understanding these terms, users can enjoy a hassle-free experience with their Fluke 87 Meter. The warranty underscores Fluke’s commitment to excellence and customer satisfaction, making the Fluke 87 Meter a trusted choice for precise measurements. Users are advised to review this section thoroughly to make the most of their warranty coverage and protect their device. The Fluke 87 Meter’s warranty and liability information is designed to provide users with peace of mind and a clear understanding of their rights and responsibilities. By adhering to the outlined terms, users can ensure their meter remains a reliable and accurate tool for years to come. The warranty reflects Fluke’s confidence in the quality and durability of the Fluke 87 Meter, offering users a secure investment in their measurement needs. Proper care and adherence to guidelines are essential to uphold warranty coverage and maintain the meter’s performance. The warranty and liability information is a critical section for all users, outlining the responsibilities and protections provided by Fluke. By understanding these terms, users can ensure their Fluke 87 Meter remains a trusted tool for years to come. The warranty serves as a testament to Fluke’s dedication to quality and customer support, reinforcing the meter’s reliability and value. Users are encouraged to utilize the warranty wisely and follow all recommended practices to maintain their device’s integrity. The Fluke 87 Meter’s warranty and liability information is a comprehensive resource for users, providing clear guidelines and expectations. This section ensures that users are well-informed about their rights and responsibilities regarding the meter’s maintenance and repair. By adhering to the outlined terms, users can maximize the benefits of their warranty and enjoy uninterrupted use of their Fluke 87 Meter. The warranty and liability information is an essential part of the manual, offering users peace of mind and protecting their investment. Fluke’s commitment to quality is evident in its warranty provisions, making the Fluke 87 Meter a reliable choice for professionals and enthusiasts alike. Users are urged to review this section carefully to understand their coverage and obligations fully. The warranty and liability information is a key component of the Fluke 87 Meter’s support system, ensuring users have the necessary resources to address any issues that may arise. By following the guidelines, users can maintain their meter’s performance and extend its lifespan. The Fluke 87 Meter’s warranty reflects its robust design and Fluke’s confidence in its products. Users can rely on this warranty for assurance of quality and support. The warranty and liability information is a vital part of the manual, providing users with a clear understanding of their rights and responsibilities. By adhering to the terms, users can ensure their Fluke 87 Meter remains a precise and durable tool for their needs. The warranty serves as a safeguard for users, protecting their investment and ensuring continued satisfaction with the product. Fluke’s dedication to customer support is evident in its comprehensive warranty and liability policies. Users are encouraged to utilize these provisions to maintain their meter’s performance and address any concerns promptly. The warranty and liability information is a cornerstone of the Fluke 87 Meter’s user agreement, ensuring transparency and accountability. By understanding these terms, users can enjoy a hassle-free experience with their Fluke 87 Meter. The warranty underscores Fluke’s commitment to excellence and customer satisfaction, making the Fluke 87 Meter a trusted choice for precise measurements. Users are advised to review this section thoroughly to make the most of their warranty coverage and protect their device. The Fluke 87 Meter’s warranty and liability information is designed to provide users with peace of mind and a clear understanding of their rights and responsibilities. By adhering to the outlined terms, users can ensure their meter remains a reliable and accurate tool for years to come. The warranty reflects Fluke’s confidence in the quality and durability of the Fluke 87 Meter, offering users a secure investment in their measurement needs. Proper care and adherence to guidelines are essential to uphold warranty coverage and maintain the meter’s performance. The warranty and liability information is a critical section for all users, outlining the responsibilities and protections provided by Fluke. By understanding these terms, users can ensure their Fluke 87 Meter remains a trusted tool for years to come. The warranty serves as a testament to Fluke’s dedication to quality and customer support, reinforcing the meter’s reliability and value. Users are encouraged to utilize the warranty wisely and follow all recommended practices to maintain their device’s integrity. The Fluke 87 Meter’s warranty and liability information is a comprehensive resource for users, providing clear guidelines and expectations. This section ensures that users are well-informed about their rights and responsibilities regarding the meter’s maintenance and repair. By adhering to the outlined terms, users can maximize the benefits of their warranty and enjoy uninterrupted use of their Fluke

Specifications of the Fluke 87 Meter

The Fluke 87 Meter is a high-precision digital multimeter, measuring voltage, current, resistance, frequency, and temperature. It offers 0.005% DC accuracy, CAT III 1000V/CAT IV 600V safety ratings, and a dual-display for simultaneous measurements, ideal for industrial applications.

3.1 General Specifications

The Fluke 87 Meter is a high-performance digital multimeter designed for precision and durability. It features a 6000-count display with a 4/sec update rate, ensuring accurate and responsive measurements. The meter supports a maximum voltage of 1000 V rms between any terminal and earth ground, with CAT III 1000V and CAT IV 600V safety ratings. It is powered by a 9-V alkaline battery, providing reliable operation in various environments. The device includes overload protection with 44/100 A fuses for mA/µA inputs and 11 A fuses for A inputs. Environmental specifications include an operating temperature range of -20°C to +55°C and storage from -40°C to +60°C. These specifications make the Fluke 87 suitable for industrial, field, and laboratory use, ensuring versatility and reliability in demanding conditions.

3.2 Detailed Specifications for Voltage, Current, and Resistance

The Fluke 87 Meter offers precise measurements across voltage, current, and resistance. For voltage, it provides a range of 0.1mV to 1000V with 0.01mV resolution, ensuring high accuracy. Current measurements range from 0.1mA to 10A, with a resolution of 0.01mA for mA/µA inputs and 0.001A for A inputs. Resistance measurements span 0.1Ω to 50MΩ, with 0.01Ω resolution. The meter also supports frequency measurement up to 20kHz with 0.5Hz resolution. Accuracy is maintained within ±0.2% for DC voltage and ±1.0% for AC voltage, while current accuracy is ±1.0% for A inputs and ±2.0% for mA/µA inputs. These specifications ensure reliable performance across various industrial and laboratory applications, making the Fluke 87 a versatile tool for precise electrical measurements.

3.3 Environmental and Operational Specifications

The Fluke 87 Meter offers precise measurements across voltage, current, and resistance. For voltage, it provides a range of 0.1mV to 1000V with 0.01mV resolution, ensuring high accuracy. Current measurements range from 0.1mA to 10A, with a resolution of 0.01mA for mA/µA inputs and 0.001A for A inputs. Resistance measurements span 0.1Ω to 50MΩ, with 0.01Ω resolution. The meter also supports frequency measurement up to 20kHz with 0.5Hz resolution. Accuracy is maintained within ±0.2% for DC voltage and ±1.0% for AC voltage, while current accuracy is ±1.0% for A inputs and ±2.0% for mA/µA inputs. These specifications ensure reliable performance across various industrial and laboratory applications, making the Fluke 87 a versatile tool for precise electrical measurements;

Theory of Operation

The Fluke 87 Meter operates using a 9-V battery, powering a microprocessor that processes signals through analog-to-digital conversion, ensuring accurate measurements across voltage, current, and resistance inputs.

4.1 Power Supply and Voltage Reference

The Fluke 87 Meter is powered by a 9-V alkaline battery connected to the A1 printed circuit assembly (PCA) via a cable assembly at connector J3. Diode CR3 protects the meter from accidental polarity reversal. The voltage reference system, featuring a 2.5-V reference (U8), ensures stability for accurate measurements. This reference is buffered and maintains 2.5 V above the -2.5 V power supply or at 0 V. The power supply and reference system are crucial for the meter’s operation, enabling precise analog-to-digital conversion and signal processing. Proper power management ensures reliable performance across all functions, from basic voltage measurements to advanced data logging.

4.2 Analog Signal Conditioning and Processing

The Fluke 87 Meter processes analog signals through advanced conditioning circuits to ensure accuracy. Internal diodes on U1 pins clamp voltages to prevent overvoltage damage. The charge pump and current source in U1 enable precise voltage regulation. Signals are routed through multiplexers to either the Low-Pass Filter or RMS Converter, optimizing measurements. The conditioned signals are then buffered and filtered before being sent to the ADC for conversion. This robust processing ensures high accuracy across all measurement ranges, from DC to AC voltage, current, and resistance. The system also supports frequency and duty cycle measurements, making it versatile for various applications. These features collectively enhance the meter’s performance and reliability in field and laboratory settings.

4.3 Analog-to-Digital Converter (ADC) Functionality

The Fluke 87 Meter utilizes a 20-bit Σ (Sigma-Delta) analog-to-digital converter (ADC) for precise signal conversion. The ADC, designated as U3, operates with power-supply bypass capacitors C21 and C22 to ensure stable operation. The reference voltage for conversion is supplied by U8, providing a stable 2.5V reference. The DC signal at FE_O (U1 pin 19) serves as the input for the ADC, which converts it into a digital format for processing. This high-resolution ADC enables accurate measurements across all functions, including voltage, current, and resistance. Its advanced architecture supports the meter’s high accuracy and fast response time, making it suitable for demanding applications. The ADC’s performance is critical to the meter’s ability to deliver reliable and precise results in various measurement modes.

4.4 Microprocessor and Support Circuits

The Fluke 87 Meter’s microprocessor, U2, plays a central role in managing operations, from signal processing to display control. It sequences measurements, handles switch inputs, and ensures accurate data representation. The microprocessor interacts with the ADC, interpreting digital signals to compute measurements. Support circuits, including power management and reference voltage systems, ensure stable operation. These circuits work together to optimize performance, enabling the meter to deliver precise results across various functions. The integration of these components underscores the meter’s reliability and versatility in professional and industrial settings.

Calibration and Maintenance

Proper calibration and maintenance ensure the Fluke 87 Meter’s accuracy and longevity. Regular checks and adjustments by qualified personnel are essential to maintain precision and reliability.

5.1 Calibration Requirements and Procedures

Calibration of the Fluke 87 Meter is essential to ensure accuracy and reliability. Before starting, turn the rotary switch to the OFF position and allow the meter to stabilize in a constant ambient temperature for 30 minutes. This step ensures the internal reference junction sensor and input terminals reach thermal equilibrium. Connect the IR adapter to the serial port of your PC and install the 87/89 IV Service Software. Follow the software prompts to perform calibration, which may include adjusting voltage, current, and resistance measurements. Only qualified personnel should execute these procedures, as improper calibration can lead to measurement errors. Refer to the manual for detailed step-by-step instructions and safety precautions to maintain the meter’s performance and warranty compliance.

5.2 Adjustment Procedures for Accuracy

Adjusting the Fluke 87 Meter for accuracy involves precise calibration steps to ensure reliable measurements. The meter’s microprocessor and analog-to-digital converter (ADC) play critical roles in maintaining precision. To begin, connect the IR adapter to the PC’s serial port and install the 87/89 IV Service Software. Follow the software prompts to access the calibration menu. Adjustments may include setting the voltage reference, verifying the ADC functionality, and ensuring the accuracy of current and resistance measurements. The meter’s internal voltage reference (U8) provides a stable 2.5V output, which is crucial for accurate readings. Always refer to the service manual for detailed procedures and ensure the environment is stable to avoid introducing errors. Only qualified personnel should perform these adjustments to maintain the meter’s performance and warranty compliance.

The Fluke 87 Manual is a comprehensive guide covering safety, troubleshooting, and maintenance. For detailed specifications and support, visit Fluke’s official website or contact customer service.

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