For most technicians working in manufacturing, metrology isn’t a career they chose on purpose.

Mitutoyo’s education manager Jeff Meyerholz says he asks every class he leads: “How many of you went to school to do metrology?” or “How many of you had a guidance counselor say you should be a metrologist?” “Nobody raises their hand,” he says.

That reality shapes how the company’s education department designs its training. Mitutoyo’s primarily hands-on, experiential instruction is designed to help operators, inspectors and quality professionals learn practical measurement skills that can be applied immediately on the shop floor.

The ultimate goal is to build a strong foundation of measurement discipline in a field where borderline accuracy can mean scrap, rework and lawsuits—or worse—especially high-precision applications such as aerospace and medical.

Metrology Training for Beginners, Upskilling Techs and Veteran Experts

According to Meyerholz, Mitutoyo’s education department typically instructs three types of learners:

• Pre-career students in middle school, high school and college programs “trying to learn a skill, establish that skill set and figure out if this is the right pathway for them,” Meyerholz says. Giving them a solid introduction to measurement helps them decide whether a metrology or machining career is a good fit.

• New technicians who are early in their careers and under pressure to perform. “They have to sort of upskill at that point in time,” he says. “And sometimes the mindset is, ‘I’ve got a little bit of knowledge,’ which can be dangerous.” These learners may rely on tips from a co-worker or “the way we’ve always done it,” without understanding why a technique does or doesn’t work.

• Experienced technicians who are often sent for certification or “train-the-trainer” roles. “We have technicians who have been in the field for 20-plus years that now come and have to begrudgingly unlearn some of the techniques that they’ve been taught over the years,” Meyerholz says, “because oftentimes, that tribal knowledge can also be very dangerous.”

For all three groups, the message is consistent: Never accept “good enough.”

“That’s something we preach in our classes all the time,” Meyerholz says. “In the calibration field, there’s no such thing as good enough. It’s either in tolerance or it’s out of tolerance.”

Experiential Metrology Training That Technicians Actually Remember

If technicians are going to change long-standing habits, the training itself has to stick. That’s why Meyerholz says he’s adamant about avoiding “death by PowerPoint.”

“We will not sit up there and just click through slides,” he says. “What I tell people is, if we go more than five to 10 minutes on PowerPoint, I’ve screwed up.”

Instead, the department leans on a hybrid model. Participants complete some online learning first, so they’re familiar with terminology and basic concepts. “Then when we’re actually on-site, we can forget about going through a PowerPoint. It’s a time when they can get hands-on experience figuring out what works and what doesn’t,” he says.

Emotional engagement is intentional, Meyerholz says. “If you hear a certain song, your mind can take you back to when you were with your friends, driving around in your car, because the stronger the emotion, the stronger the memory,” he says.

“When we are working with students in the class, we want them to laugh, we want them to joke around. We want them to have a positive emotional experience, because odds are, that’s going to actually help them remember the content, even though they don’t realize it at the time.”

Why Metrology Traceability Is More Than a Checkbox

Metrology experts say many manufacturing facilities tend to treat traceability as a compliance checkbox—keep the calibration certificates on file and move on. But Mitutoyo’s trainers push technicians to see it as a chain of accountability that has to hold up under scrutiny.

To explain the process, Meyerholz uses a parenting analogy. “If you’re a parent, you’ve probably had a child that has asked an endless sea of questions all in a row: ‘Why is it this? Why is it this? Why is it this?’ And so traceability, in my mind, is the same thing as it relates to an audit.”

That line of questioning might start with a simple assertion: A part is in good working order. Meyerholz says an auditor will want to know:

What tool did you use to measure it?

How do you know that tool was in tolerance?

Who calibrated it, when and where?

What reference standards did they use, and who calibrated those?

Is there documentation to support each step?

“It’s a series of seemingly endless questions, and you need all that traceability to be able to document your trail of evidence all the way back up to NIST [National Institute of Standards and Technology] and beyond to show that everything is in good working order and properly done,” he says.

If there are gaps in the chain, it could be a corporate liability. “And if you knowingly accepted that part, you can be personally liable, as well,” he adds. “If it involves a serious injury or fatality, yeah, that’s on you. All because you didn’t want to do the paperwork.”

In other words, traceability isn’t paperwork for its own sake. It’s critical for risk management.

Read more: How to Understand Calibration and Why it Matters

Preparing Metrology Technicians for Digital Inspection and Data-Driven Quality

While many schools still teach with mechanical tools such as vernier calipers, dial indicators and analog mics, the industry is rapidly moving in another direction, Meyerholz says.

“If you look at the trend line, it’s going to be digital when those folks enter the workforce,” he notes. So Mitutoyo’s education department is increasingly focused on helping learners understand what digital data collection looks like using products such as the company’s U-WAVE wireless technology.

“The more robust that educational experience is going to be, the better these technicians are going to be as soon as their boots hit the ground,” he says.

One barrier is human rather than technical. “There are some technicians that believe their old 0 to 1-inch mechanical mic is more accurate than the digital ones these days,” he says. “I try to explain that there’s a difference between accuracy and confidence. You can have all the confidence in the world, but that confidence is in your skills, not necessarily in that tool.”

Custom Metrology Training Programs Tailored to Each Shop

The list of courses on Mitutoyo’s website is just a starting point. “We try to customize the training as best we can to the end user, so it’s not a turnkey type of thing,” Meyerholz says. “Shops can decide what they want added or taken out.”

When conducting classes on-site, Meyerholz and his colleagues bring their own equipment so shops don’t have to pull tools off production. “While the hardware we use is Mitutoyo’s, the techniques we teach are agnostic and can be used with any of the other brands that are out there.”

The relationship doesn’t end when class does. “I got an email from somebody who was a co-worker of somebody that was in our class three years ago, but they still had my contact information, and that’s what we want people to do,” Meyerholz says. “We want us to be seen as a solution, not as somebody who just came in, did that training and got out of there.”

“We always tell people, ‘now that you’ve done the training, you’re part of the Mitutoyo family, so reach out if you need something.’”