Category: SludgeWatch Monitors
The SludgeWatch Ultra utilises the industry accepted look down ultrasonic or ‘sonar’ method of detecting and tracking the interface between sludge and water in water, wastewater and industrial effluent settlement tanks and clarifiers. The cleaning wiper operates automatically to remove dirt and air bubbles that can interfere with the measurement.
By monitoring the position of the sludge/water interface the user can make process adjustments to ensure that their plant is operating at the optimum efficiency. If a blanket is allowed to rise too high in the tank there is a danger of carry-over to the effluent channel or the next processing stage, additionally strain may be placed on the scrapper mechanism. If there is too little sludge in the tank the settling process cannot work effectively, this leads to problems with sludge processing, returned sludge concentrations and carry-over to the effluent channel.
Automated sludge blanket detection removes the need for time consuming manual checks, ensuring reliable process control everyday and during unexpected weather or load conditions.
Transmitter: 235 x 184 x 120 mm
Transducer: Ø78 mm x 185 mm long
Transmitter: Polycarbonate, Flame Resistant to UL94-5V
Transducer: Black Valox 357 with a 316 Stainless Steel Wiper Blade and Shaft
|Cable Entry||Knockouts for 5x M20, 1x M16 in base and 4x PG11 at rear|
100 to 240 VAC 50/60 Hz
22 to 28 VDC
|Power Rating||14 W maximum, typcially 11W|
|Transducer Cable Length||10 metres standard, 200 metres maximum|
|Operating/Storage Temperature||-20 to 50ºC|
|Display||192 x 128 pixel illuminated graphical dispplay|
|Keypad||Integral Keypad with menu navigation keys|
|Units of Measurement||%age Depth|
|Analogue Outputs||2x 0/4-20 mA, max load 1000 ohm|
|Contacts||SPDT, 5A @ 240 VAC|
|Communication Bus||RS485 Modbus RTU/ASCII or Profibus DPV0 or V1|
|Principal of Operation||Ultrasonic|
|Accuracy||0.25% of the measured range or 30 mm (whichever is the greater)|
|Resolution||0.25% of the measured range or 10 mm (whichever is the greater)|
|Maximum Range||10 metres|
|Minimum Range||0.3 metres|
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