Course

Lesson 1 - Introduction - Sensor Measurements Using a DMM

An introduction to the course objectives, topics, and benefits of learning the fundamentals of sensor measurements using a digital multimeter (DMM).

Lesson 2 - Growth in the Sensor Market

An overview of the sensor market and its growth drivers, such as IoT, smart devices, automotive, industrial, and medical applications. Also covers the challenges and opportunities for sensor testing and characterization.

Lesson 3 - Types of Sensors

A description of the various types of sensors that are available in the market and how they are transforming our world, such as temperature, pressure, humidity, light, motion, sound, gas, and biosensors.

Lesson 4 - Key Parameters Across All Sensors

A discussion of the critical parameters of a sensor irrespective of its physical measurement types, such as sensitivity, accuracy, resolution, range, linearity, hysteresis, repeatability, drift, response time, and power consumption.

Lesson 5 - Five Considerations for Choosing the Right DMM

A presentation of the key considerations to choose the right DMM for your sensor testing and characterization needs, such as resolution and accuracy, measurement speed and throughput, measurement functions and ranges, connectivity and automation, and cost and value.

Lesson 6 - Tips on Overcoming Modern Sensor Challenges

A demonstration of how to use a DMM to characterize and troubleshoot various types of sensors using different methods and techniques, such as data logging, math functions, limit testing, histogram analysis, trend chart analysis, statistics analysis, and remote control.

Catalogs

Digital Multimeter Products

Truevolt Series 6½- and 7½-Digit Bench Digital Multimeters   Measure with unquestioned Truevolt confidence   What truevolt technology means to you:   Measure with unquestioned Truevolt confidence Truevolt technology starts with an analog-to-digital converter that enables a patented metrology-grade architecture. Using this architecture, Keysight delivers a good balance of measurement resolution, linearity, accuracy, and speed at a value price, all derived and guaranteed per ISO / IEC 17025 industry standards.   Worry about the quality of your design, not the quality of your measurements Noise and injected current: Keysight Truevolt digital multimeters (DMMs) contribute less than 30% of the injected current as alternatives. Compared with some lower-cost alternatives, Truevolt DMMs offer almost 100% less noise.   Input bias current Ideally, no current flows into the measurement terminals of your DMM. In real measurement situations, input currents create additional measurement errors. Truevolt DMMs take care of input bias current. Some alternative DMMs offer 20% or more, poorer performance (some are too noisy to measure).   Digital AC root-mean-square (RMS) measurements For meters in this class, only Keysight uses digital direct sampling to make AC RMS measurements. The result is a true RMS calculation technique that avoids the slower response of analog RMS converters used in all other vendors’ 6½-digit DMMs. This technique allows for crest factors up to 10 without additional error terms. This is a unique, patented technique — used only by Keysight.   Control, automate, and simplify  with PathWave BenchVue software Keysight PathWave BenchVue software for the PC eliminates many issues surrounding bench testing. By making it simple to connect, control instruments, and automate test sequences, you can move past the test development phase and access results faster than ever before. The DMM app in BenchVue enables control of DMMs to visualize measurements, perform data logging, and annotate captured data. Easily control your DMM to quickly build automated tests, log measurements, and save precious time.

White Papers

Lesson 7 - 7 Tips to Improve DMM Measurement Throughput

As a test engineer, you will want to create a digital multimeter (DMM) measurement process that saves you test time. The benefits of increasing your benchtop multimeter measurement throughput are: • Increase manufacturing output and optimize shippable revenue • Optimize test equipment usage and efficiency • Reduce test footprint and capital cost • Reduce product development test time In this white paper, you will learn all the seven steps on how to increase your DMM’s testing speed to improve its overall measurement throughput: 1. Auto-zeroing 2. Simplify changes during testing 3. Optimize range variations 4. Optimize power line integration settings 5. AC settings and settling time 6. Turning off unnecessary functions 7. Optimize trigger delays

eBooks

Considerations for Buying a Benchtop Digital Multimeter

The digital multimeter (DMM) is the most commonly used instrument on an engineer’s bench. We use it almost every day. Whether we are making a quick and simple voltage measurement or data logging temperature over a long period of time, our DMM just has to work. It is the workhorse of the engineering bench. In many ways, most of us are in a one-sided relationship with our DMMs. In exchange for all the work that it does, we expect very little maintenance and upkeep from our end in return. Even though the DMM is such an important instrument, we do not spend nearly enough time thinking about it. From concept to prototype turn-on and debugging all the way through testing and validation, the DMM is ever-present through the entire product cycle from beginning to end. This eBook will take a closer look at the DMM and all that it does. We will explore 10 things that you should know about DMMs. The topics covered are applicable whether you are considering your next DMM purchase or you want to get more from the DMM currently on your bench.

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