Holiday Schedule: In observance of Labor Day, Onset will be closed Monday, September 1st. Orders placed after 5:00 PM EST, Friday August 29th will be processed and confirmed on Tuesday, September 2nd.

About Onset Computer Corporation

Green Gauges
Onset was recently featured in Cape Business. Click here to read the full article

Onset is the world’s leading supplier of data loggers. Our HOBO® data logger and weather station products are used around the world in a broad range of monitoring applications, from verifying the performance of green buildings and renewable energy systems to agricultural and coastal research.

Based on Cape Cod, Massachusetts, Onset has sold more than 2.5 million data loggers since the company’s founding in 1981. Onset has designed and manufactured its HOBO® data loggers on-site at its headquarters on Cape Cod, Massachusetts for more than 30 years.

Our Mission

  • To be the global leader in innovative data logging and monitoring solutions.
  • To earn the respect and loyalty of our customers and employees.
  • To support our core values of achievement, teamwork, and uncompromising integrity.

The Onset Advantage

Reliable, accurate data
No matter what your application involves, at the end of the day it all comes down to the integrity of your data. HOBOs are known for providing the most reliable, accurate data under some of the world’s toughest environmental conditions.

Simple, cost-effective solutions
At Onset, we realize our customers – and their technology budgets – can vary widely. For that reason, our products are designed from the ground up with ease-of-use and affordability foremost in mind.

Application expertise
With more than two decades of experience in solving data logging applications, Onset has developed applications expertise that is second to none. Whether you are an energy manager looking to track facility usage or an entomologist who needs climate data, chances are we’ve seen your application before and know what it takes to solve it.

World-class support
Our world-class Customer Service department is staffed by friendly, knowledgeable people who will listen carefully to your questions and guide you to the best possible solution.

Onset's 30th Anniversary