Model 5901 MLSS Suspended Solids Concentration Meter, adopts original imported sensors, with its own scraper cleaner on the sensor, realizes stable and accurate measurement, reduces the maintenance workload, improves the working reliability, and is especially suitable for the harsh working conditions in the field of sewage treatment.

Model 5901 MLSS Suspended Solids (Sludge) Concentration Meter is an on-line monitoring instrument designed for measuring the concentration of suspended solids in municipal sewage and industrial wastewater treatment processes. It can be applied to detect changes in activated sludge concentration in biochemical treatment processes, providing continuous and accurate measurement results.

Specification

　　Range: 0-100 mg/L, 0-500 mg/L, 0-1000 mg/L, 0-3000 mg/L, 0-50,000 mg/L; different ranges with different sensors, please specify the measurement range when ordering;

　　Second, the resolution: 0.01mg / L;

　　Accuracy: less than 5% of the reading (depending on the sludge homogeneity).

　　Fourth, with automatic cleaning function, cleaning scraper and sensor integrated type does not require peripheral components;

　　V. Isolated current output: 4 ~ 20 mA (load <750Ω);

　　Sixth, the output current error: ≤ ± 1% FS;

　　Alarm relay: AC220V, 7A;

　　Eight, RS485 communication interface (optional);

　　Nine, power supply: AC220V ± 22V, 50Hz ± 1Hz; optional DC24 ± 2.4V, 1A power supply;

　　Ten, protection grade: IP65;

　　XI. Clock accuracy: ± 1 minute / month;

　　XII, data storage capacity: 1 month (1 point / 5 minutes);

　　XIII. Data continuous power-down retention time: 10 years;

　　XIV. External dimensions: 146 (L) × 146 (W) × 108 (D) mm; opening size: 138 × 138 mm;

　　XV. Weight: 0.8kg;

　　XVI, working conditions: ambient temperature 0 ~ 60 ℃ relative humidity <85%;

　　XVII. Installation of secondary meter: open hole type/wall-mounted/rack-mounted/pipeline type.

　　XVIII. Sensor installation: circulation type or immersed type; please specify when ordering, not specified according to the immersed configuration.

Main features

　　Chinese liquid crystal display, Chinese menu type, Chinese notation. Microcomputerization: Adopting high-performance CPU chip, high-precision AD conversion technology and SMT patch technology, range automatic conversion, instrument self-test, high precision and good repeatability. High reliability: single board structure, touch keys, no switch knob and potentiometer. Strong anti-interference ability, not affected by sunlight. Waterproof and dustproof design: protection grade IP65, suitable for outdoor use. Electromagnetic compatibility (EMC/RFI) design: designed and manufactured according to European standard EN50081/50082. Alarm function: alarm signal isolated output, alarm upper and lower limits can be set arbitrarily, alarm hysteresis undo. Network function: Isolated current output and RS485 communication interface; output upper and lower limits of current corresponding to concentration value can be set arbitrarily. History curve: continuously record one month data, five minutes a point. Notepad function: record 200 pieces of information. Manual current source: convenient for recording and testing of detection devices. Built-in real-time clock: Provides time reference for various functions, etc. Industrial-controlled watchdog: Ensures that the meter will not crash. Password management: Parameter setting and maintenance are password protected.