Technical Specification:Measuring range:0~±1999mVAccuracy: ±5mVResolution:1 mVDisplay:4-digital LCDPower Supply:2×3V(CR2032 Battery)Dimensions:157×27×20(mm3)Weight:46g

Technical Specification:Measuring range:0~±1999mVAccuracy: ±5mVResolution:1 mVDisplay:4-digital LCDPower Supply:4×1.5V(AG13)Dimensions:170×36×23(mm3)Weight:91g

Technical Specification:Measuring range:0~±1999mVAccuracy: ±5mVResolution:1 mVDisplay:4-digital LCDPower Supply:4×1.5V(AG13)Dimensions:165×26×26(mm3)Weight:63g

Main Features：1.Fully waterproof2.Auto turn on and off 3.Auto temperature compensation4.No external knobs or switches5.One-Touch Calibration System6.Replaceable pH probe Technical Specification: Model KL-3385 Measuring range 2.1～10.8PH Ac

Model KL-2385I KL-2385II KL-2385III Measuring range 0.4 ~ 5.2EC4 - 52CF280 ~ 3640ppm(EC x 700)200 ~ 3000ppm(EC x 500) 0.4-4.4EC 4- 44CF280-3080ppm(EC x 700)200-2200ppm(EC x 500) 0.2-3.6EC2- 36CF140-2520ppm(EC x 700)100-1800ppm(EC x 500) Accuracy ±4% Res

Technical Specification:Model KL-308 Measuring range 0~1999us/cm, 0~199.9mS Accuracy ±1.5%+2 digits Resolution 1us, 0.1mS Set Range 0~1000us, 0~100.0mS Environment Temperature:0~50℃ Humidity

Technical Specification:Model KL-306 Measuring range 0~±1999mV Accuracy ±5 mV Resolution 1mV Set Range -500～500mV Environment Temperature:0~50℃ Humidity

Technical Specification:ModelKL-303 Measuring range PH 0.00~14.00PH ORP 0~±1999mV Accuracy PH ±0.1%+2 digits ORP ±5 mV Resolution PH 0.01PH ORP 1mV Set Range PH 3.50～10.50PH ORP 0~1000mV EnvironmentTemperature:0~50℃ Humidity

Technical Specification:ModelKL-301 Measuring range0.00~14.00PH Accuracy±0.1%+2 digits Resolution0.01PH Set Range3.50～10.50PH EnvironmentTemperature:0~50℃ Humidity

Technical Specification Model KL-233T Temp Range 0～80℃ Resolution 0.1℃ Accuracy ±1℃ Environment Temperature: 0～50℃, Humidity＜95% Power Supply AC 220V 50Hz Dimensions 150mm×85mm×42mm Weight 690g