49") Weight 333g (11

Pro tip: For individual product features and full specifications

Measurement Display: 20 blue LEDs bar

The MW180 MAX pH/ORP/EC/TDS/NaCl/Temp

Light-Blocking Foil: UV-resistant packaging prevents degradation and extends shelf life

HI70031P Conductivity Calibration Standard 1413 µS/cm (25 x 20mL) | Hanna probe cleaning 49") Weight 333g (11HI70031P Conductivity Calibration Standard 1413 S cm (25 x 20mL Sachets) Premium NIST traceable conductivity calibration solution standardized at 1,413 S cm for accurate calibration of EC meters, TDS testers, and conductivity instruments. Each box contains 25 single use sachets ideal for hydroponics, aquaponics, water quality testing, and laboratory applications. Why Choose HI70031P Calibration Standard? NIST traceable accuracy Standardized with