Fluke 115 Field Technicians Digital Multimeter

Do you work in industrial electronics, engineering, or maintenance? Are you looking for a reliable device to take along on your next job that will ensure accurate and efficient measurement readings? Look no further – introducing the Fluke 115 Field Technicians Digital Multimeter! This multimeter has many features, including the ability to measure voltage, current, continuity, and resistance, making it an ideal tool for most technicians’ needs. In this blog post, we’ll dive into everything there is to know about why the Fluke 115 should be your go-to device for all your field technician requirements.

A brief overview of Fluke 115 Field Technicians Digital Multimeter

The Fluke 115 Field Technicians Digital Multimeter is a compact, portable device designed specifically for technicians in field service. It measures various electrical parameters, including True-RMS voltage and current, resistance, continuity, frequency, and capacitance, making it suitable for various field service applications.

One of the key features of the Fluke 115 is its user-friendly design, allowing technicians to operate it with just one hand. It has a backlit display with large, easy-to-read digits, providing clear visibility even in low-light environments. Fluke 115 offers a high resolution of 6000 counts, ensuring accurate readings.

The Fluke 115 also includes useful functions such as Min/Max/Average with elapsed time, allowing technicians to track and record signal fluctuations over time. In addition, it can measure AC and DC voltage up to 600V and AC and DC up to 10A (with a 20A overload for a maximum of 30 seconds).

Overall, the Fluke 115 Field Technicians Digital Multimeter is a reliable and convenient tool that meets the specific needs of field service technicians. Its compact size, ease of use, and comprehensive measurement capabilities make it a valuable asset for professionals working in the field.

Fluke 115 Field Technicians Digital Multimeter

Importance of digital multimeters in field technician work

Digital multimeters play a crucial role in the work of field technicians. Here are some key reasons why these devices are important in their line of work:

  • Accurate Measurements: Digital multimeters accurately measure various electrical parameters such as voltage, current, resistance, capacitance, and frequency. Field technicians rely on these measurements to diagnose and troubleshoot electrical issues accurately. Accurate readings are essential for ensuring the safety and reliability of electrical systems.
  • Versatility: Digital multimeters offer a wide range of measurement capabilities in a single device. They can be used to measure both AC and DC voltages and currents, making them suitable for various electrical systems encountered in the field. They often include additional functions like continuity testing, diode testing, and temperature measurements, providing technicians with versatile tools to handle different tasks.
  • Efficiency and Time-Saving: Field technicians often work under time constraints, and digital multimeters help expedite their work. These devices provide quick and instant readings, allowing technicians to assess electrical parameters efficiently. This saves valuable time during troubleshooting and repairs, enabling technicians to complete tasks more effectively.
  • Safety: Electrical systems can be hazardous, and field technicians must prioritize their safety. Digital multimeters offer input protection, non-contact voltage detection, and safety ratings to ensure safe measurements and protect technicians from potential electrical dangers. These safety features provide peace of mind and reduce the risk of accidents.
  • Data Logging and Analysis: Many digital multimeters have advanced features like data logging and recording capabilities. Field technicians can use these features to capture and analyze data over time, helping them identify patterns or anomalies in electrical systems. This data-driven approach enhances troubleshooting and allows for better decision-making.
  • Portability and Durability: Field technicians often work in challenging environments, and digital multimeters are designed to withstand such conditions. These devices are compact, lightweight, and built to be durable, making them suitable for on-site use. Their portability ensures technicians can carry them easily to different locations and work efficiently in various field conditions.

Features and Specifications

Measurement capabilities and ranges:

  • Measures True-RMS voltage and current
  • Resistance measurement
  • Continuity testing
  • Frequency measurement
  • Capacitance measurement

Accuracy and resolution:

  • Offers high accuracy for precise measurements
  • Provides a resolution of 6000 counts for clear and detailed readings

Display and user interface:

  • Backlit display for easy visibility in various lighting conditions
  • Large, easy-to-read digits for quick interpretation of measurements
  • An intuitive user interface for straightforward operation

Input protection and safety features:

  • Includes input protection to safeguard against overvoltage
  • Non-contact voltage detection for enhanced safety during measurements
  • Built with safety ratings to protect the user from electrical hazards

Additional functions and modes:

  • Min/Max/Average mode with elapsed time for tracking signal fluctuations
  • AC and DC voltage measurements up to 600V
  • AC and DC measure up to 10A (with 20A overload for 30 seconds)

Design and Construction:

Physical dimensions and portability:

  • Compact and lightweight design for easy portability
  • Allows for one-handed operation, ideal for field technicians on the move

Durability and ruggedness for field use:

  • Constructed with durable materials to withstand harsh field conditions
  • Designed to endure drops, shocks, and vibrations common in fieldwork

Ergonomics and user-friendly design:

  • Ergonomic shape for a comfortable grip and extended use
  • Well-placed buttons and controls for convenient operation in various work environments

Input jacks and probes:

  • Equipped with sturdy and reliable input jacks for secure connections
  • Compatible with high-quality probes for accurate measurements

The Fluke 115 Field Technicians Digital Multimeter combines advanced measurement capabilities, accuracy, user-friendly features, and a durable design to meet the specific needs of field technicians. Its compact size, safety features, and ease of use make it a valuable tool for professionals working in challenging field conditions.

Key Benefits and Applications:

Importance of Fluke 115 for field technicians:

  • Provides accurate measurements for precise troubleshooting and diagnostics.
  • The portable and rugged design suits the demanding conditions faced by field technicians.
  • Safety features ensure protection against electrical hazards during measurements.
  • Versatile functionality caters to a wide range of applications in various industries.

Common applications and scenarios where it is used:

  • Electrical system maintenance and troubleshooting in industrial plants.
  • Installation and repair of electrical and electronic equipment.
  • HVAC system diagnostics and troubleshooting.
  • Automotive electrical systems testing and troubleshooting.
  • Telecommunications and network installations and maintenance.

Advantages over other multimeters:

  • True-RMS measurement capability for accurate readings of non-linear signals.
  • Compact and lightweight design for easy portability and one-handed operation.
  • Backlit display and large digits for clear visibility in various lighting conditions.
  • Durability and ruggedness to withstand harsh field environments.
  • Additional functions such as Min/Max/Average mode and non-contact voltage detection for enhanced usability.

Operating Instructions:

Powering on/off and basic setup:

  • Press the power button to turn the multimeter on/off.
  • Set the measurement range based on the parameter being tested.
  • Adjust the display settings as per user preference.

Selection of measurement functions and modes:

  • The rotary dial selects the desired measurement function (voltage, current, resistance, etc.).
  • Choose appropriate measurement ranges based on the expected values.

Proper use of input jacks and probes:

  • Connect the test leads or probes to the corresponding input jacks on the multimeter.
  • Ensure proper and secure connections to obtain accurate measurements.

Safety precautions and best practices:

  • Follow electrical safety guidelines and wear appropriate personal protective equipment.
  • Avoid measuring voltage or current beyond the multimeter’s specified limits.
  • Use insulated probes when working with live circuits.
  • Always read and follow the user manual for specific safety instructions.

Troubleshooting and Maintenance:

Common issues and how to resolve them:

  • Inaccurate measurements: Check the input connections and ensure proper range selection.
  • Display issues: Check the battery or power source, and verify the settings.
  • Faulty probes: Inspect and replace damaged or worn-out probes.

Calibration and periodic maintenance:

  • Follow the manufacturer’s recommendations for calibration intervals.
  • Calibrate the multimeter regularly to maintain accuracy.
  • Consult a certified calibration service if needed.

Cleaning and storage guidelines:

  • Keep the multimeter clean by wiping it with a soft cloth.
  • Store the multimeter in a dry and dust-free environment.
  • Protect it from extreme temperatures and humidity.

Following proper operating instructions, troubleshooting, and maintenance practices ensures optimal performance and longevity of the Fluke 115 Field Technicians Digital Multimeter.


The Fluke 115 Field Technicians Digital Multimeter is a reliable and valuable tool for field technicians. Its combination of accuracy, versatility, durability, and user-friendly design makes it an excellent choice for professionals in challenging field environments. The multimeter provides the necessary measurements for accurately diagnosing electrical issues, ensuring electrical systems’ safety and reliability. With its compact size, robust construction, and intuitive operation, the Fluke 115 offers convenience and efficiency in various applications. Overall, the Fluke Digital Multimeter is a trusted companion for field technicians, empowering them to perform their work effectively and efficiently.

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