REED Instruments R3530-ELECTRODE Electrode for R3530 Salinity Meter Sale Price Price $38.22 List Price $39.00 You save $0.78 2% Free Shipping
Available Options Extech EC400 ExStik Conductivity/TDS/Salinity Meter Sale Price Price $115.70 Free Shipping
Extech DO605 ExStik Replacement Dissolved Oxygen Module for DO Meters Sale Price Price $158.80 Free Shipping
Extech PH105 ExStik Replacement pH Electrode Module for pH Meter Sale Price Price $46.41 Free Shipping
Extech EC505 ExStik Replacement pH Electrode/Conductivity Cell Module Sale Price Price $62.05 Free Shipping