Digital Jar Test Apparatus

About Digital Jar Test Apparatus

The Digital Jar Test Apparatus is a precision laboratory instrument designed for coagulation and flocculation testing in water and wastewater treatment plants. It simulates real treatment conditions to help determine the optimum dosage of coagulants and chemicals, ensuring efficient purification.

Widely used in environmental engineering labs, municipal water plants, research institutes, and industrial effluent treatment facilities, this apparatus provides accurate and repeatable results with digital control.

Key Features:

• Digital Speed Control: Microprocessor-based RPM control for precise stirring
• Simultaneous Multi-Sample Testing: Typically available with 4, 6, or 8 stirring positions
• Uniform Stirring: Ensures consistent mixing across all beakers
• LED Display: Clear display of RPM and timer settings
• Timer Function: Adjustable time control for repeatable experiments
• Corrosion-Resistant Build: Powder-coated or stainless steel body for durability
• Variable Speed Range: Suitable for rapid mixing and slow flocculation stages

Working Principle:

The apparatus uses multiple paddles rotating at controlled speeds in separate beakers containing water samples. By adding varying doses of coagulants, users can observe floc formation and settling behavior to identify the most effective treatment conditions.

Applications:

• Drinking water treatment plants
• Sewage and wastewater treatment facilities
• Environmental laboratories
• Chemical dosing optimization studies
• Research and academic institutions

Technical Specifications:

• Number of Stirring Units: 4 / 6 / 8 (customizable)
• Speed Range: 20 200 RPM (approx.)
• Speed Control: Digital (microprocessor-based)
• Timer Range: 0 99 minutes (or more)
• Motor Type: DC gear motor
• Power Supply: 220V AC, 50 Hz
• Display: Digital LED

Advantages:

• Accurate and repeatable test conditions
• Reduces chemical wastage
• Easy to operate and maintain
• Compact and user-friendly design

Optional Features:

• Programmable speed stages
• Illuminated base for better floc visibility
• Stainless steel paddles and shafts
• Custom beaker sizes

Limitations:

• Requires skilled observation for accurate interpretation
• Not a replacement for full-scale plant trials
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