Water analyzer W771-DCD4.2

chlorinealuminumoxygen

The online chlorine dioxide analyzer adopts a genuine German-imported CD4.2 chlorine dioxide sensor and operates on the principle of the coated dual-electrode constant current method. Application Municipal tap water, secondary pressure-boosted water supply in pipe networks, water for food factories and beverage factories Features - Response speed up to 15 seconds (maximum) - Built-in automatic temperature compensation to improve measurement accuracy - No zero calibration required; calibration cycle no more than 3 months - Small measurement range of 0~0.5mg/L, with a minimum detection limit of 0.005mg/L - Two input signal interfaces, supporting simultaneous measurement of any one parameter among pH, ORP, conductivity, turbidity, dissolved oxygen, etc. - Multiple data output methods: 4~20mA, RS485 MODBUS - Controller supports wall mounting/panel mounting/pipe clamp mounting - Made of aluminum alloy, featuring high strength, oxidation resistance and corrosion resistance, with a protection class of up to IP65 TECHNICAL PARAMETERS - Measurement Parameter: Chlorine Dioxide - Measurement Range: 0.005~0.500/2.000mg/L; 0.05~5.00/10.00/20.00mg/L - Lower Detection Limit: 0.005mg/L (depending on the range) - Resolution: 0.001mg/L (depending on the range) - Response Time: T90≈15 seconds - Drift: Approx. -1 per month (after calibration at 25℃, pH=7.2) - pH Range: 1.0~12.0 - Maintenance: Membrane cap replacement cycle: 1 year (depending on water quality) - Flow Rate: In flow cell: 250~500mL/min - Operating Temperature: 0~45℃ - Display: LCD screen - Power Supply: 105~235VAC, 50±1Hz / 24VDC±5 (DC optional) - Analog Output: Two analog outputs (load resistance <500Ω) - Digital Output: RS485 interface, MODBUS RTU protocol - Relay Output: Three relays, 5A 250VAC, 5A 30VDC - Material: Bottom case: Cast aluminum with spray coating; Top cover: PA66+30GF with spray painting - Dimensions: 145*145*174mm (H*W*D) - Protection Class: IP65 - Certification: CE, RoHS, REACH (sensor)