$360.00 $342.00
Warning: Damage caused by freezing isn't covered by warranty; we recommend 2-day shipping to reduce risk.
  • 605103
  • Usually ships in 1-2 weeks


Measure pH/ORP quickly and easily with the YSI 1003 sensor. Easy user-replaceble sensor allows for quick sensor replacements if needed. No tools necessary. Requires a cable/probes assembly. One-year sensor warranty.