Ohaus Ph Pen Meter St20 0.01 Resolution

Two models with varying resolution & accuracy; the ST10 and ST20 offer a convenient way to measure pH, or therelative acidity or alkalinity of a sample at a given temperature.Model ST20:Range: 0.00 €“ 14.00 Resolution: 0.01 pH  Accuracy: 0.05 pH Temp Range: 0.0 €“ 99.0 °C Display: Dual  Calibration: 3 Point Buffer Group: 4.01, 7.00, 10.01 Auto Shutdown: 6 Mins of Non-Use  Batteries: 4 AG13 1.5V  Size/Weight: 185 × 45 × 38mm, 110g