Water analyzer W761-DCD4.2

alloychlorinealuminum

Product Overview An online analytical instrument that adopts a genuine German-imported CD4.2 sensor and operates on the principle of the coated dual-electrode constant current method. It is widely applied in municipal tap water treatment, secondary pressure-boosted water supply systems in pipe networks, as well as water quality monitoring for food factories and beverage factories. The analyzer boasts a suite of outstanding features including a fast response speed of up to 15 seconds, built-in automatic temperature compensation to enhance measurement accuracy, no requirement for zero calibration, a flexible measurement range, two input signal interfaces supporting simultaneous measurement of one additional parameter such as pH, ORP, conductivity, turbidity, or dissolved oxygen, multiple data output methods, support for diverse controller installation modes, and a durable structure made of cast aluminum with high strength, oxidation resistance, corrosion resistance, and an IP65 protection class. - 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) - Model: W761-DCD4.2