The main technical performance 1. Measuring range 0 ~ 18.25MΩ? Cm (0.05 ~ 19.99μS/cm); 2. Measurement accuracy: ± 2% (F? S); 3. Temperature compensation: automatic using SCM nonlinear temperature compensation circuit Compensation range: 0 ~ 60 ℃; compensated reference 25 ℃; temperature compensation element: NTC10KΩ 4. Display: digit, 0.56 "LCD (with backlight) resistivity (conductivity) value and the temperature switch direct reading display; 5. Electrode Configuration: selection of C = 0.01 Stainless steel electrodes, 4 'pipeline threaded connection or 50.5 chuck connection cable standard length 5m; 6. Signal Output: Isolated 4 ~ 20mA current signal, the maximum load 750Ω; applicable PLC, printers, etc. signal transmission; 7. resistivity values ??lower alarm settings, and control contact signal (digital) output, contact capacity: 220VAC/3A; Note: You can also select the alarm set value of the maximum conductivity and contacts (binary) signal output; 8. electronic unit dimensions: face frame sizes: 96 × 48 (mm) hole size: 91 × 45 (mm) Instrument Depth: 100 (mm) 9. instrument conditions: A, ambient temperature 0 ℃ ~ 50 ℃ ; B, relative humidity ≤ 90%; C, Power Supply: AC Power AC220V ± 10%, 50Hz