The ENV100 Ultrasonic Sludge Blanket Level Meter manufactured by WESS, utilizes enhanced ultrasonic technology to measure the sludge interface level in various types of clarifiers, settling tanks and thickeners with superior accuracy and reliability. The instrument continuously provides the user with important information which includes numeric & graphic screens representing the distance to the blanket, an echo profile image to ensure correct configuration during commissioning and saved data analysis.
Additional features such as ASF (Abnormal Signal Filter), allows elimination of irregular field noise which can result from moving structures intermittently obscuring the signal. The ENV100 technology additionally incorporates a compressed air cleaning system to maintain the sensor in optimum condition and guarantee maintenance‐free measurement. Specially designed mounting kits are also available.
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Measuring Principle
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Ultrasonic Echo Flight Time
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Measuring Range
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0.35 ~ 10m(1~33ft)
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Resolution
|
1cm(metric units), 0.1ft(UK units)
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Accuracy
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+/- 1% of measured range or 1 inch, whichever is greater
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Measuring Pulse
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5~25times/sec
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Measuring Density
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User programmable density(Light/Heavy)
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Display
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Graphic LCD
(Interface level, Distance, Echo Amp, Time, Current output, Trend, Temperature)
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IP Rating
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IP67
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Data Saving
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Maximum 400 days Data logging & Trend
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Screen
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Numeric, Echo Profile, Data Trend
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Operational Temperature
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-20 ~ 70°C(-4~158°F)
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Sensor Control
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1 Channel
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Sensor Cleaning
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Automatic air-jet
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Outputs
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Current : 4EA X4~20mA,nom. Load 250Ω(load range : 100 ~ 750Ω)
Relay : 3 SPDT(5A, 250VAC) – “ER” “R1” “R2”
Digital : RS232C(Standard), RS485(Option)
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Power Supply
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Standard : 100 ~ 240V AC, 50~60Hz, ≤6W
Option : 20~30V DC
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Enclosure Material
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Polycarbonate
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Dimension
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260(W) x 258(H) x 131(D)mm
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Weight
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3 kg
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Certificate
|
CE
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Measuring Principle
|
Ultrasonic Echo Flight Time
|
Measuring Range
|
0.35 ~ 10m(1~33ft)
|
Resolution
|
1cm(metric units), 0.1ft(UK units)
|
Accuracy
|
+/- 1% of measured range or 1 inch, whichever is greater
|
Measuring Pulse
|
5~25times/sec
|
Measuring Density
|
User programmable density(Light/Heavy)
|
Display
|
Graphic LCD
(Interface level, Distance, Echo Amp, Time, Current output, Trend, Temperature)
|
IP Rating
|
IP67
|
Data Saving
|
Maximum 400 days Data logging & Trend
|
Screen
|
Numeric, Echo Profile, Data Trend
|
Operational Temperature
|
-20 ~ 70°C(-4~158°F)
|
Sensor Control
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Multiple channel ( Max. 4 channel)
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Outputs
|
Current : 4~20mA, nom. Load 250Ω(load range : 100 ~ 750Ω)
Relay : 3 SPDT(5A, 250VAC) – “ER” “R1” “R2”
Digital : RS232C(Standard), RS485(Option)
|
Power Supply
|
Standard : 100 ~ 240V AC, 50~60Hz, ≤6W
Option : 20~30V DC
|
Enclosure Material
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Body : ABS
Window : Polycarbonate
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Dimension
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264(W) x 233.8(H) x 144(D)mm
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Weight
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3.2 kg
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Certificate
|
CE
|
Measuring Principle
|
Ultrasonic Echo Flight Time
|
Measuring Range
|
0.35 ~ 10m(1~33ft)
|
Resolution
|
1cm(metric units), 0.1ft(UK units)
|
Accuracy
|
+/- 1% of measured range or 1 inch, whichever is greater
|
Measuring Pulse
|
5~25times/sec
|
Measuring Density
|
User programmable density(Light/Heavy)
|
Display
|
Graphic LCD
(Interface level, Distance, Echo Amp, Time, Current output, Trend, Temperature)
|
IP Rating
|
IP67
|
Data Saving
|
Programmable Memory
|
Screen
|
Numeric, Echo Profile
|
Operational Temperature
|
-20 ~ 70°C(-4~158°F)
|
Sensor Control
|
1 Point
|
Outputs
|
Digital : RS232C(Standard), RS485(Option)
|
Power Supply
|
3EA X AA Lithium ion rechargeable battery
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Enclosure Material
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Aluminum
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Dimension
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143(W) x 195(H) x 56(D)mm
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Weight
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1.5kg
|
Certificate
|
CE
|
Sensor Structure
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Ultrasonic sensor with built-in air cleaning nozzle
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Material
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S1-G Body : S.S. 316, Head : Epoxy
S1-T Body : S.S. 316, Head : Teflon
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Mounting Thread
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3/4” PF female thread
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Cable Length
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10m(33ft)Standard, Max.300m extensible on request
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Operational Temp.
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-10 ~ 60°C(14 ~ 140°F)
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Beam Angle
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4 degree
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Frequency
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160/380 kHz
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Weight
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3kg(Incl. 10m Cable)
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IP Rating
|
IP68
|
Cleaning
|
Air-jet (built-in cleaning nozzle)
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