COD Digester

Description

Professional COD Digester (Chemical Oxygen Demand Reactor)

The Professional COD Digester is a high-precision, multi-tube thermostatic heating block engineered for the efficient digestion of wastewater samples. Essential for environmental monitoring, wastewater treatment plants, and pollution control laboratories, this instrument automates the critical heating phase required for determining Chemical Oxygen Demand (COD), Total Phosphorus, Total Nitrogen, and other environmental parameters via standard dichromate reflux and colorimetric methods.

Key Features & Benefits

1. High-Precision Aluminum Heating Block

Constructed with a heavy-duty, machined aluminum alloy heating block, this unit guarantees exceptional thermal conductivity and well-to-well temperature uniformity. Every sample tube experiences the exact same thermal profile, eliminating variance and ensuring highly reproducible test results.

2. Intelligent Microprocessor Control & Built-in Timers

The digital control panel features an intuitive PID microprocessor system that accurately maintains the strict digestion temperatures required by environmental standards (typically 150°C or 165°C). The integrated digital timer automatically counts down the heating cycle (e.g., 120 minutes) and shuts down the heating element upon completion, alerting lab personnel with an acoustic alarm.

3. Pre-Programmed Standard Protocols

To streamline laboratory workflows, the device comes pre-configured with standard heating profiles for routine COD digestion. It also allows custom programmable user settings, providing total flexibility for varying laboratory digestion protocols, sample volumes, and chemical reagents.

4. Robust Safety & Heat Protection

Designed with worker safety in mind, the unit features a transparent, heat-resistant safety shield that protects operators from accidental splashes or tube breakages. A secondary over-temperature protection circuit acts as a safety fail-safe, preventing thermal runaway and protecting your benchtop workspace.

Product Size & Weight (Standard 12-Hole Block)

• Block Well Diameter: 16 mm (Optimized for standard 2-vial/10-ml or 16-mm COD chemistry tubes)

• External Dimensions (W x H x D): Approx. 220 mm x 130 mm x 340 mm (8.6″ x 5.1″ x 13.3″)

• Net Weight (NW): Approx. 5.5 kg (12.1 lbs)

• Gross Weight (GW): Approx. 7.0 kg (15.4 lbs) shipped in a reinforced, impact-resistant foam-lined cardboard carton.

Ideal Applications

• Wastewater Treatment Plants: Monitoring internal plant efficiency and evaluating effluent chemical oxygen demand levels before discharge.

• Environmental Testing Laboratories: Conducting EPA-compliant water analysis, pollution testing, and industrial waste stream validation.

• Industrial Manufacturing Quality Control: Monitoring processing discharge and run-off compliance in textile, paper, and chemical plants.

• Academic & Research Institutions: Supporting civil, chemical, and environmental engineering laboratories in water purity studies.