4 Anti-Vibration Rubber Silentblock Mounts for M6 Threaded Coils

CE measurement range: 0 to 10,000 µs/cm² (10.01-19.99 ms, 20.1-400 ms/cm²); Resolution: 1 µS/cm²; 0.1 mS/cm²; Accuracy: ±2% of reading; TDS measurement range: 0 to 1000 ppm (1000 ppm to 10,000 ppm, 10.1 to 200.0 ppt); Resolution: 1 ppm²; 0.1 ppt Accuracy: ±2% of reading Salinity Measurement range: 0.00 to 25.00% Resolution: 0.01% Accuracy: 0.01-5.00% (±0.1%) 5.10-25.00% (±1%) pH Measurement range: 0.01-14. 00phResolution?: 0.01pHAAccuracy?: ±0.05pHTemperature range?: 0.1-60.0℃ 32.0-140℉Calibration?: conductivity CE?: supports 3-point calibration (1413µS 12.88ms and 111.8ms) automatic identification with 3 calibration points (1413µS/cm 12.88mS/CM 111.8mS/CM) pH: 1 point (6.86) or 2 points (6.86 4.00) (6.86 9.18) or 3 points (6.86 4.00 9.18) can automatically identify the calibration solutionSize and weight: 183*37*37mm(7.2*1.5*1.5in)/90g (3.2oz)1. Each time you miss a pH calibration, be sure to clean the electrode. If the solution is not recognized, the electrode is broken. Batteries are not included! (Power supply: 3 x 1.5LR44 (Not included))