YSI TruLine pH 21 Electrode

Two-channel input with wireless capability for pH, ORP, DO/BOD, and conductivity, and built-in OUR/SOUR calculations.

Three-channel input with wireless capability for pH, ORP, DO/BOD, and conductivity, and built-in OUR/SOUR calculations.

Single channel benchtop meter for pH, mV (ORP) and temperature measurements in the laboratory.

Single channel, laboratory quality meter for pH, mV (ORP) and temperature measurements. With datalogging and optional printer. .

Dual channel meter for dual measurement of pH, mV (ORP) or ISE, AutoRead function improves repeatability.