Friday, November 6, 2026 · Customer reviews of US businesses
The Fair Hearing score
Great
151 reviews
Dwyer InstrumentsSelect a line to read only those reviews.
Honesty, pricing, process and quality scores appear once 5 customers have rated them.
U.S.A. ManufacturerSince the company was founded in 1931, customers have come to recognize Dwyer Instruments to stand for quality, reliability, and readily available low cost products. As a leading manufacturer in the controls and instrumentation industry, we continue to grow and serve major markets such as indoor environmental quality, critical environments, and environmental & process industries. Applications are spread across many industries, including but not limited to: HVAC, chemical, food, oil and gas, and pollution control.People ExcellenceNew applications are discovered daily through a cooperative effort between Dwyer and its customers. It has been these relationships with our customers that allow us to continue to develop market demand products and further our success from leading established brand names such as the Magnehelic® differential pressure gages, Photohelic® pressure switch/gages, Rate Master® flowmeters, and Hi-Flow® valves.Market GrowthIn addition to new product development, Dwyer has added to its success through several acquisitions and has achieved additional market recognition. Respected names such as Mercoid Controls, Love Controls, W.E. Anderson and Proximity Controls have created new markets and further build on the solid reputation that Dwyer has and continues to sustain. Our ability to successfully diversify demonstrates Dwyer’s managed approach to the marketplace. This approach continues to maintain stability of the company, therefore providing a basis for positioning ourselves as a leader in providing knowledgeable, prompt, and courteous customer service.As our customer, prospect, or potential employee, we always want to hear from you. Please feel welcome to contact us anytime.Phone: (219) 879-8000; Fax: (219) 872-9057
Dwyer Instruments (dwyer-inst.com) has 151 customer reviews on The Fair Hearing, with an average rating of 4.2 out of 5.
151 approved reviews, newest moderated first
we may have missed the return label / communication but the quick response was much appreciated. And so we were able to send back our Dwyer instrument for calibration. thank you for the quick response.
By Nubra_Phil
Response from Dwyer Instruments· Mar 22, 2023
Thank you for taking the time to leave a review, and for choosing Dwyer Instruments for your calibration services! Please let us know if there's anything else we can help with!
Marlo was a great help navigating your website. Helped me through the whole process of sending in two gages for calibration. Vey patient and knowledgeable.
By Armando O.
Response from Dwyer Instruments· Feb 9, 2023
Thank you Armando, we appreciate your kind words! I've shared your comments with the team and we'll make sure to let Marlo know how much we appreciate her as well!
Normally everything is great- I do like the website but cannot log in to it right now... Please advise.
By Rita S.
Response from Dwyer Instruments· Oct 24, 2022
Hi Rita! Thanks for your message. I've forwarded your comments to our Customer Service team who will be looking into the issue and will reach out soon.
Great experience
By Donald R.
Response from Dwyer Instruments· Sep 14, 2022
Hi Donald, thank you for your excellent review; we're happy you had a good experience with us! Thank you for choosing Dwyer!
Always in stock and always arrives fast!
By KD G.
Response from Dwyer Instruments· Aug 9, 2022
Thank you for taking the time to leave us a review, KD! We'll continue to do our best to meet your needs!
On time delivery is very important.
By JZ
Response from Dwyer Instruments· Aug 1, 2022
Thank you for taking the time to write us a review, JZ! We do our best to have high on time delivery standards. Please let us know if you have any concerns in the future!
Used the same ultrasonic thickness tester previously and it worked perfectly. High Quality, Ease of Use, Affordable Price
By Aaron
Response from Dwyer Instruments· Jul 26, 2022
Hi Aaron, thank you for your review! We're proud of our high quality products, and are thrilled you're enjoying your ultrasonic thickness tester. Don't hesitate to reach out if there's anything we can help you with!
This was an easy transaction.
By Craig
Response from Dwyer Instruments· Jul 26, 2022
Hi Craig, thank you for taking the time to write a review! We're glad you like our ordering process. We'll continue to improve our processes in the days to come as well. Please reach out if you have any suggestions!
