5 In 1 Digital Water Quality Tester Pen PH TDS EC Meter Pen with Backlight for Aquarium Water Temperature Tester

Semi-finishedproduct : No Battery Included : no High-concerned chemical : none Is Smart Device : no Model Number : PH9909 With Backlight Or Not : Yes Origin : Mainland China Semi-finishedproduct : No Battery Included : no High-concerned chemical : None Is Smart Device : no Model Number : PH9909 With Backlight Or Not : Yes Brand Name : INSOMA Origin : Mainland China Display Type : DIGITAL

ECMeasuring range: 0 to10000uS/cm 10.01-19.99ms 20.1-400mS/CMResolution: 1 uS/cm; 0.1 mS/CM;Accuracy: ±2% of readingTDSMeasuring range: 0 to 1000ppm 1000ppm to 10000ppm 10.1 to 200.0pptResolution: 1ppm;; 0.1pptAccuracy: ±2% of readingSalinityMeasuring range: 0.00 to 25.00%Resolution: 0.01%Accuracy:0.01-5.00% (±0.1%) 5.10-25.00% (±1%)PHMeasuring range: 0.01-14.00pHResolution: 0.01pHAccuracy:±0.05pHtemperaturerange: 0.1-60.0℃   32.0-140℉

dity/alkalinity): 0.00~14.00 EC (conductivity): 0~9999μS/cm TDS (total dissolved solids): 0~9999ppm SALT (salinity): 0.01%~10% / 0~9999ppm / 10.1~100ppt TEMP (temperature/temperature): 0.1~60℃ / 32.1~140℉

Battery Included: No High-concerned chemical: None Origin: Mainland China