2 buc TDS PH-metru Tester digital de apă 0.01ph Contor PH de înaltă precizie 0-9990ppm Temperatură TEMP PPM Tester

TDS METER Specifications: Measurement range: - Conductivity (EC): 0 - 9999µs/cm - TDS: 0 - 9999ppm (Parts per million) - Fahrenheit: 32.0 - 176.0°F - Degree Celsius: 0.1 - 80.0°C Accuracy: ±2% Power Supply: 1*3V (Cr2032 Button cell) (Included) Operating Temperature: 32 - 122 °F Dimension: 154mm*30mm*14mm / 6.06”×1.18”×0.55” Net Weight: 55g / 1.94oz Features: Automatic Temperature Compensation (ATC) One button (HOLD) lock the testing result One button (SHIFT) switch the 4 display modes: TDS - ppm & °C, EC - µs/cm & °C, TDS - ppm & °F, EC - µs/cm & °F Automatic shut-off after 5minutes with inactive Non-Calibration required: TDS meter had been calibrated in producing pH METER Specifications: Measure range: 0.00- 16.00PH Resolution: 0.01pH Accuracy: ±0.01 pH Power Supply: 2*1.5V (LR44 Button cell) (Included) Operating Temperature: 0°F - 140°F Dimension: 155mm* 31mm * 18mm / 6.10”×1.22”×0.70” Weight: 50g / 1.76oz Features: Automatic Temperature Compensation (ATC) One button (CAL) calibrate the PH meter Automatic shut-off after 5minutes with inactive Calibration: a. Dissolve pH buffer powder in 250ml of distilled water. (pH buffer powder not included) b. Turn on pH meter and clean the electrode in distilled water, then immerse the electrode in the PH standard solution. c. Press ”CAL” button, make the reading equal to standard buffer solution PH 6.86, 4.01 or 9.18. d. Clean electrode with distilled water and dry it. Package included 1*3-in-1 TDS meter 1*PH meter Tips: Not include pH buffer powder Note 1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Manual measurement may have an error of 0-0.2 cm. 3.This meter can't test sea water.