https://www.epower.co.th/product/60340-82675/rika-rk500-07-type-b-water-turbidity-probe-corrosion-resistant
Rika RK500-07 Type-B Water turbidity probe (Corrosion-Resistant)
Rika RK500-07 Type-B Water turbidity probe (Corrosion-Resistant)
type brikawaterturbidityprobe
https://www.rikasensor.com/rk500-12-type-a1-ph-weater-sensor.html
RK500-12 Type-A1 Small Immersion PH Sensor | Rika Sensor
RK500-12 Type-A1 pH sensor for conventional water, sewage, nutrient solution, etc.
ph sensortypesmallimmersionrika