Ultrasonic Sludge Density Meter ENV200

Ultrasonic Sludge Density Meter ENV200

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Ultrasonic Sludge Density Meter ENV200 Overview

The ENV200 is an ultrasonic instrument that measures the density of suspended solid in liquid. It consists of sensors, a controller, and a junction box.

ENV200 with PCM(Process Condition Monitoring) algorithm measures not only the size of received signal which is often measured by conventional ultrasonic density meters but also observes changes in sound velocity and temperatures in the process. As it monitors operational status and water status in pipe and then decides the validity of each measurement it contributes to increasing stability and reliability of the measurement. The ENV-200 utilizes the EEA (Envelope Energy Average) method that saves reception signal envelop and then calculates its energy, rather than using the reception signal’s amplitude change.

ENV-200 offers three types of sensors, such as spool-piece, tank-mount, and clamp-on type to accommodate all field demands at installation.

Sludge Density Meter ENV200 Product Features

  1. Continuous measurement
  2. Process monitoring possible (run, stop, full, empty)
  3. 10,000 points data logging
  4. EEAM(Envelope Energy Average Method)
  5. Various types of sensors


Model C2-S
Measuring Principle Ultrasonic Attenuation and EEAM(Envelope Energy Average Method)
Measuring Ranges 2,000 ~ 200,000mg/l ( 0.2 ~ 20% )
Measuring Mode Process Mode, Real-time Mode
Self – Diagnosis Sensor strength, Flow running/stop, Pipe in full/empty
Display Graphic LCD( Density, Time, Pipe condition, Flow condition, mA etc. )
Resolution 100mg/l (0.01%)
Accuracy ± 1% of FS or ±2000mg/l, whichever is greater
Repeatability ± 1% of reading
Operational Temp. -20 ~ 60°C
Outputs mA Output : 4~20mA, nom. Load 250? (load range : 100 ~ 750?)
Relay Output : 3 SPDT(5A, 250VAC)
Digital Output : RS232C(Standard) or RS485(Option)
Power Supply Standard : 100 ~ 240V AC, 50~60Hz, ?6WOption : 20~30V DC
Encl. Material Body/Cover : ABS
IP Rating IP67
Saving Memory 10,000 points ( Max. 400 days )
Certificate CE


Model Spool-piece(S2-S) Tank-mount(S2-T) Clamp-on (S2-C)
Material S.S.304 S.S.304 Body : MC Nylon Ultrasonic Head : Epoxy
Pipe size 50DN ~ 600DN >200DN 50A ~ 300DN
Frequeny 1MHz 1MHz 1MHz ~ 1.5MHz
Operational Temp. -10 ~ 60°C -10 ~ 60°C -20 ~ 60°C
Cable Length 10m(standard) 10m(standard) 10m(standard)
IP Rating IP65, IP68(Option) IP68 IP65



WEss Measurement Logog

Additional information


Density Meter Controller, Spool-piece sensor, Tank-mount sensor, Clamp-on sensor, Spool-piece Sensor with Junction box only, Spool-piece Sensor with 100mm pipe and flange, Spool-piece Sensor with 200mm pipe and flange, Spool-piece Sensor with 300mm pipe and flange


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