Handheld conductivity meter TDS-3C. 1 tds = 1 ppm CaCO3 = 2 uS/cm2 Measurement range 0-999 ppm and 0-50°C. Minimal division 1 ppm and 1°C. Precision +/- 2% from the scale. Manual calibration with standard solutions.
Portable oximeter with standard electrode LDO for measurement of dissolved oxygen with 1 m cable. New technology for measurements of oxygen without membranes and solutions. Only factory calibration. Measurement range from 0.00 to 20.00 mg/L with minimal division 0.01 mg/L.
Brand: Дионис-Елена ООД
Desk laboratory pH-meter with range 0-14 pH. Set with a case, stand, buffers for calibration, solution for storage and topping of the electrode, cable for computer, software, table for milk.