pX 4 Tester KIT - pH, ORP (-1000/+ 1900 mV), mV for electrode QT, °C/°F, replac.sensor, in carton case

pX 4 Tester KIT IP67 portable pH and ORP / Redox watertight meter. Resolution 0.01 pH and 0.1 / 1 mV. With microprocessor and highly durable interchangeable combined electrode. Large 3-color LCD display with indication of the pads used for calibration and measurement stability. 3-point button calibration with 5 US buffer values ​​for an accuracy of +/- 0.01 pH and ORP calibration on a user-defined point. Read mV for pH electrode diagnosis and for ORP/Redox measurement. Temperature reading. Auto power off. Automatic temperature compensation (0…60 °C). Self-diagnosis messages: low batteries, calibration errors. Power supply 2 × 1.5V AAA batteries, included, also compatible with rechargeable batteries. The kit includes: pH 7 and pH 4 buffer solutions in a 25 ml sachet, 1×75ml 475 mV Redox solution, sachet preservation solution, calibration cap, strap, handkerchiefs and cardboard case. 1 year warranty on the electronic part.