Service & Repair

Quality data can be directly correlated to the condition of your monitoring equipment. Instrument check-up, characterization, and certification by a factory-authorized service center are recommended on a regular basis to help ensure data accuracy and maximize the instrument’s usable life.

Fondriest Environmental offers excellent turnaround times and low service costs on YSI 6-Series sondes & displays, Professional Series & 556 multi-parameter meters, and all other YSI handheld water quality meters.

View pricing and a description of services provided in our Services Brochure.

Sending Instruments in for Service

When sending YSI instruments in for service, please complete the SR Form and include with your shipment:

Service Request Form Link

Upon receipt of the instrument, repair technicians will perform a free evaluation and send a detailed evaluation report and price quote via email to the point of contact.

Repairs are based on customer feedback and are performed only after approval is received. All repaired instruments are returned with a Calibration Report to confirm that system parameters meet factory specifications.

Call our Service & Repair Department at (888) 426-2151 or email for more information.

Service and Repair