Bluelab OnePen 3-in-1 Measuring Tool (pH, EC and Temperature)

The set includes: 1x Bluelab OnePen with replaceable pH, conductivity (EC) and temperature sensor 1x 20 ml sachet calibration solution pH 7.0 Bluelab 1x 20 ml sachet of calibration solution pH 4.0 Bluelab 1x 20 ml sachet KCl Bluelab storage solution 1x Bluelab sensor cleaning brush 2x AAA batteries Warranty: 2 years on the device 6 months on the sensor Proof of purchase required. For full terms and conditions, visit bluelab.com/product-warranty Technical specifications: measuring range (pH): 0.0 - 14.0 pH resolution (pH): 0.01 pH measurement accuracy at 25°C / 77°F (pH): ± 0.05 pH calibration (pH): two-point , at 7.0 and 4.0 or 10.0 measurement units (conductivity): EC , CF , ppm500 ( TDS ), ppm700 , mS/cm Measuring range (conductivity): 0 - 10.0 EC , 0 - 100 CF , 0 - 5000 ppm 500 ( TDS ), 0 - 7000 ppm ( EC x 700 ), 0 - 10.0 mS/cm resolution (conductivity): 0.01 EC , 0.1 CF , 10 ppm500 ( TDS ), 10 ppm700 , 0.01 mS/cm measurement accuracy at 25°C / 77°F (conductivity): ±0.1 EC , ±1 CF , ±50 ppm500 ( TDS ), ±70 ppm700 , ±0.1 mS/cm calibration (conductivity): factory calibrated units of measurement (temperature): °C , °F Measurement range (temperature): 0 - 50°C , 32 - 122°F resolution (temperature): 0.1 measurement accuracy at 25°C / 77°F (temperature): ±1 Calibration (temperature): not required ( factory calibrated ) temperature compensation: yes Operating environment: 0 - 50 °C / 32 - 122 ° F ( do not use or store at temperatures outside this range ), dust and water resistant ( IP68 ) Power supply: 2 x AAA alkaline batteries ( included ) certificates: CF , FCC , IC , UKCA . Contains Bluetooth module IC:8017A-MDBT50Q, FCC ID: SH6MDBT50Q signal range (indoors / urban / outdoor): 10 meters radio signal: Bluetooth: 5 (low energy) System requirements ( Edenic App ): Android (8.0 or later) or iOS (12 or later)