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The YSI ProQuatro is warranted for three (3) years from date of purchase by the end user against defects in materials and
workmanship, exclusive of batteries and any damage caused by defective batteries. ProQuatro field cables are warranted for two (2)
years from date of purchase by the end user against defects in material and workmanship (6 months for non-field rugged cables*).
ProQuatro sensors (pH, ORP, pH/ORP combo, Polarographic DO) are warranted for one (1) year from date of purchase by the end
user against defects in material and workmanship (6 months for ammonium**, nitrate**, chloride**, and Galvanic DO). ProQuatro
systems (instrument, cables & sensors) are warranted for 90 days from date of purchase by the end user against defects in material
and workmanship when purchased by rental agencies for rental purposes. Within the warranty period, YSI will repair or replace, at
its sole discretion, free of charge, any product that YSI determines to be covered by this warranty.
To exercise this warranty, call your local YSI representative, or contact YSI Technical Support in Yellow Springs, Ohio at
+1 937 767-7241, 800-897-4151 or visit
https://www.ysi.com/customer-support/product-service
for a Product Return Form. Send
the product and proof of purchase, transportation prepaid, to the Authorized Service Center selected by YSI. Repair or replacement
will be made and the product returned, transportation prepaid. Repaired or replaced products are warranted for the balance of the
original warranty period, or at least 90 days from date of repair or replacement.
LIMITATION OF WARRANTY
This Warranty does not apply to any YSI product damage or failure caused by:
1. Failure to install, operate or use the product in accordance with YSI’s written instructions;
2. Abuse or misuse of the product;
3. Failure to maintain the product in accordance with YSI’s written instructions or standard industry procedure;
4. Any improper repairs to the product;
5. Use by you of defective or improper components or parts in servicing or repairing the product;
6. Modification of the product in any way not expressly authorized by YSI.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. YSI’s LIABILITY UNDER THIS WARRANTY IS LIMITED TO REPAIR
OR REPLACEMENT OF THE PRODUCT, AND THIS SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY DEFECTIVE
PRODUCT COVERED BY THIS WARRANTY. IN NO EVENT SHALL YSI BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECTIVE PRODUCT COVERED BY THIS WARRANTY.
* The warranty period for the non-field rugged cables (605107, 605177, 605108, 605178, 605109, 605179) is listed as 6 months.
However, the true “working life” of these sensors may be 3-9 months depending on storage and usage in solutions other than clean
aqueous samples.
** The warranty for the ammonium, nitrate, and chloride sensors (605104, 605105, 605106) is listed as 6 months. However, the true
“working life” of these sensors may be 3-9 months depending on storage and usage in solutions other than clean aqueous samples.
5.4
Warranty
