The SludgeWatch 8200w² Monitor provides a reliable method of detecting the sludge blanket level in clarifiers and settlement tanks, or increasing levels of suspended solids or sludge density in large range of processes.
Control of the sludge blanket level is essential to ensure discharge consent compliance and efficient control of the treatment process. If the sludge blanket in a settlement tank is allowed to rise close to the surface there is a danger that solids will leave the tank and contaminate the next process stage or be discharged into the water course. Alternatively, if the sludge blanket is not allowed to stabilise or form a blanket or is pumped out too frequently the settlement process does not take place at all and solids will remain in suspension. Additionally there is a danger that thin sludge or water will be pumped from the bottom of the tank into the sludge handling system thus reducing the effectiveness of that process.
The SludgeWatch 8200w² Monitor is suitable for mounting outdoors on the bridge of settlement tanks, as the enclosure is IP65 rated and no outer enclosure is required. Provision must be made for transmission of the output signal to the control system; this is normally possible via spare slip rings. Where this is not possible a radio telemetry option is available, allowing transmission directly to the control system without the need for installation of cables.
Physical | |
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Dimensions (hxwxd) | 185 x 213 x 95 mm |
Weight | 1.4 kg |
Enclosure Material | Polycarbonate |
Cable Entries | 1 x M20, 4 x M16, 1 x USB Type A |
Cable Core Size | Max Conductor Cross Section 2.5 mm² |
Electrical | |
Power Supply | 85 to 264VAC 50/60 Hz 9 to 36VDC |
Power Rating | 0.8A |
Environmental Data | |
Location | Indoor/Outdoor |
User Interface | |
Display | Sunlight Readable Black on White Graphic LCD |
Output Signals | |
Analogue Output | 2 x 0/4-20mA |
Relays | 3 x SPCO |
Sensor Ranges | |
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SoliTechw² IR 0-200 | Range: 0-200 mg/l Optical Path: 100 mm Special Application Only |
SoliTechw² IR 0-1,500 | Range: 0-1,500 mg/l Optical Path: 40 mm Wastewater Treatment - Final Settlement and Humus Tanks Drinking Water Treatment - Clarifers |
SoliTechw² IR 0-10,000 | Range: 0-10,000 mg/l Optical Path: 15 mm Wastewater Treatment - Primary Settlement Tanks Drinking Water Treatment - Picket Fence Thickeners |
SoliTechw² IR 0-30,000 | Range: 0-30,000 mg/l Optical Path: 8 mm Wastewater Treatment - Picket Fence Thickeners |
Part Number | Description |
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229623 | SludgWatch 8200w² Fixed Sludge Level Detector (85 to 264VAC, Modbus Slave, 3 x Relay Outputs) |
229624 | SludgeWatch 8200w² Fixed Sludge Level Detector (9 to 36VDC, Modbus Slave, 3 x Relay Outputs) |
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