pX 4 Tester KIT

IP67 portable pH and ORP/Redox waterproof meter. Resolution 0.01 pH and 0.1/1 mV. With microprocessor and very durable exchangeable combined electrode. Large 3-color LCD display with indication of the pads used for calibration and measurement stability. 3-point knob calibration with 5 US buffer values ​​for an accuracy of +/- 0.01 pH and ORP calibration at a user-defined point. Read mV for pH electrode diagnosis and for ORP/Redox measurement. Read temperature. Automatic shutdown. Automatic temperature compensation (0...60 °C). Self-diagnostic messages: low batteries, calibration errors. Power supply 2 x 1.5V AAA batteries, included, also compatible with rechargeable batteries.