If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Multi-Parameter Water Quality Analyzer Model:P9022 / P9025 / P9029 Type:Desktop Testing method:Platinum cobalt standard colorimetric method. Measuring range: Residual chlorine:0~2.5 low range Residual chlorine:0~10 high range Total chlorine:0~5.0 Combined residual chlorine:0~2.5 Chlorine dioxide:0~5.0 Nitrite:0~0.3 Dissolved oxygen:0~12 Ammonia nitrogen:0~10 Iron:0~0.8 Min. readout:0.001mg/L Error:±5%FS Repeatability≤2% *Subject: *Your Name: User type:PersonalBusinessDistributor *E-mail: *Phone: WhatsApp: Skype: Company: *Content: *Captcha:Math Captcha − 1 = 1 Submit Δ