DDKSIC ORP1+ Bluetooth pen ORP meter

ORP1 + Bluetooth pen ORP meter Measurement range (-1000.0~ + 1000.0) mV, ORP resolution 0.1, ORP Accuracy +/- 0.1% F. S +/- 1 word, dustproof and waterproof grade IP67, high-precision, intelligent, convenient and durable in one.