Product 1: Measures pH/EC/TDS (ppm)/Salinity/Temp. in a quick and professional manner
Product 1: Replaceable multi-parameter probe with easy installation
Product 1: When the smiley face icon stays on screen, it's the right time to record the measurements.
Product 1: LARGE Clear LCD screen with 3 backlit color (indicating 3 different modes), dual display of temp. + pH/EC/TDS/Salinity, and icons of completed calibrations and stable readings
Product 2: Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122F)
Product 2: Backed by Apera quality pH sensor with low impedance, ensuring high response rate
Product 2: Comes in a rugged carrying case with pH 4&7 buffers and a lanyard
Product 2: Auto recognition of stable values improves consistency, so you don't have to guess when to manually hold measurement
