Hanna Instruments Portable pH, EC en TDS meter | bol.com
HI98331 Hanna Instruments Groline Direct Soil EC Tester - Blooms Grow Tech
Portable pH / EC / TDS / ° C meter Hanna Instruments pH Meters - Unit of Detection: 0.1pH、10ppm、0.1℃、【EC】10μS/cm, Operating Ambient Temperature (℃): 0~50, Height (mm): 145, Mass (g): 230 | MonotaRO Philippines