Oakton pH/mV Simulator, USA-NIST-custom mV output

Check for meter errors and ensure properly calibrated equipment with this pocket-sized pH simulator. Simple push-button operation allows for selection of USA buffers, NIST buffers, and mV output on the LED display. Additional features include 1 GΩ high impedance test, BNC connector, and low-battery indicator. Order protective rubber boot which serves as a benchtop stand separately. What's Included: 3-ft BNC cable and four AAA batteries. Simulate pH buffer and mV values for quick and easy meter checks