Model 5901A MLSS Suspended Matter (Sludge) Concentration Meter is a new generation of Chinese microcomputer-based high-grade instrumentation, with a full Chinese display, Chinese menu operation, full intelligence, multi-function, high measurement performance, environmental adaptability and other characteristics. It can be widely used in water plants, power plants, sewage treatment plants, pharmaceutical factories, hospitals, various water samples of suspended solids (sludge) concentration to do accurate measurement.

Technical specifications

　　I. Range: 0 ~ 20.00 mg / L, 0 ~ 50.00 mg / L, 0 ~ 100.0 mg / L, 0 ~ 200.0 mg / L; Note: Please specify the measurement range when ordering, greater than 200 mg / L please select the 5901 MLSS suspended solids (sludge) concentration meter.

　　Second, the resolution: 0.001 mg / L;

　　Accuracy: ±2%. ;;

　　IV. Current isolated output: 4～20 mA (load <750Ω );

　　V. Output current error: ≤±1%FS;

　　Alarm relay: AC220V, 7A;

　　RS485 communication interface (optional);

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

　　Nine, protection grade: IP65;

　　Ten, clock accuracy: ± 1 minute / month;

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

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

　　Thirteen, external dimensions: 146 (L) × 146 (W) × 108 (D) mm; opening size: 138 × 138 mm;

　　XIV. Weight: 0.8kg;

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

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

　　XVII. Sensor installation mode: circulation type.

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.