Specifications 1.Several parameters display at the same time

2.range:0-20ppm

3.Signal output:4-20mA

Online Residual Chlorine Controller ARCL200 Application ARCL200 used for drinking water treatment plant, drinking water, tap water, swimming pool, cooling circulating water, water treatment engineering, etc.   Main features: 1. The large LCD display. 2. Can restore factory settings. 3. Manual/automatic PH compensation function and temperature compensation function. 4. Communication function (optional) : has the RS - 485 communication interface (MODBUS protocol part compatible). 5. Photoelectric isolation 4-20mA current output. 6. Hysteresis quantity any setting function, avoid switch relay frequent action. 7. Watchdog functions: ensure that instrument won't crash.   Technical indicators 1. The range of measurement: hypochlorous acid (HOCL) : 0-10.00 mg/L, residual chlorine: 0-20.00 mg/L, PH value: 0-14 PH, temperature: 0 ~60°C 2. Resolution: 0.001 mg/L, 0.01 mg/L, 0.01 ,0.1°C, pH 3. Precision: better than the plus or minus 1% or + /- 0.01 mg/L, plus or minus 1% or +/ - 0.01 mg/L, +/- 0.02 pH, +/- 0.5°C 4. Manual/automatic PH compensation function (0-14) and temperature compensation function (0 ~ 60°C). 5. Control interface: two groups of ON/OFF relay contact, divided into high and low alarm signal photoelectric isolation output. 6. Signal isolation output:4-20mA 7. The electric apparatus: relay lag quantity any setting, relay load and a 220 VAC 8. Working conditions: environmental temperature is 0 ~ 60°C, relative humidity 90% or less 9. The output load: load < 500 Ω (0-10 ma), load < 750 Ω (4-20mA) 10.Working voltage: 220 VAC plus or minus 10%, 50/60 hz 11. Dimensions: 96 x 96 x 115 mm 12. Open hole size: 91 x 91 mm