The Model 1000 is a dual-output pH/mV calibration unit designed for AquaDox.

With a smooth tuning range and a large easy-to-read LCD, the Model 1000 was designed to quickly and accurately calibrate most pH, ORP, and AH controllers. Switches select display function, mV polarity, and output impedance. Unit incorporates 2 internal batteries for portable power or can be operated with a wall-mount power supply.