Hydrolab HL4 ye raan yam ye kɔc cɔl OTT Hydromet ye kɔc cɔl multi-parameter water quality analyzer looi. DS5 series analyzer ye dɔ̈ɔ̈r ye dɔ̈ɔ̈r ye dɔ̈ɔ̈r ye dɔ̈ɔ̈r ye dɔ̈ɔ̈r ye dɔ̈ɔ̈r ye dɔ̈ɔ̈r ye dɔ̈ɔ̈r. A bɛ pH, tɛmɛ, ORP、 Electrical conductivity, dissolved oxygen, turbidity and depth are 7 conventional parameters. HL4 ye ADCON's RTU ye kɛ̈ɛ̈r në SDI12 ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r