Differential Pressure Instruments Inc.
Office 757-362-0742
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Detroit Switch Repair and Calibration

DPI Inc. provides every Detroit Switch pressure and temperature control switch with a certificate of calibration, ensuring that the switches set point has been adjusted and tested to conform to the specifications outlined on your purchase order.
If you have a Detroit Switch product that is out of tolerance or not functioning, we would be happy to offer a free estimate of repair. DPI Inc. can sell you a replacement if you choose, however, we feel it is our duty to at least attempt to repair or refurbish your Detroit Switch product. The repair can make better economic sense by costing less than a new switch, and certainly better environmental sense, by keeping your product out of the landfill and extending life cycle of your original investment. We treat your instrument like an investment worth saving because we respect and appreciate your business.  
We feel this service is a great contribution to our Customers, by helping them reduce their economic cost while reducing their  environmental carbon footprint. Thank you and we look forward to serving your needs anytime.  


Differential Pressure Instruments Inc.
1619D Diamond Springs Rd.
Virginia Beach, Va. 23455
757-362-0742 Office
757-362-0752 Fax