Water quality analysis has become necessary in the current era when pollution continues to impact aquatic bodies. Laboratory testing equipment helps scientists and technicians accurately measure levels of contamination. A BOD incubator is one such necessary device, and it finds applications in environmental testing laboratories, research centers, and industrial labs of various industries.
The Biochemical Oxygen Demand (BOD) incubator is precision temperature control equipment that provides specific environmental conditions for water sample analysis. While a common incubator will only warm, this unique equipment both warms and cools. This two-way functionality makes it ideal for low-temperature utilization, usually at 20°C, which is required in routine water quality analyses.
The BOD incubator for water testing laboratories examines water for organic matter content. The device puts microorganisms in a confined, dark space where they consume oxygen naturally. Researchers monitor oxygen usage over five days and use that figure to determine contamination levels in the water sample.
The BOD incubator principle is simple: microorganisms require oxygen to degrade biodegradable materials in water samples. When you place a sample in the incubator at 20°C under complete darkness, bacteria and small organisms begin degrading materials using the dissolved oxygen in the water.
Testing starts by measuring the dissolved oxygen (DO) in the fresh sample. The sample is sealed in special BOD bottles and incubated for five days. The DO is then measured again. The difference between the initial and final readings gives the BOD value, indicating water pollution levels.
Modern digital BOD incubators feature high accuracy and reliability.
The BOD incubator temperature range (5°C to 60°C) provides flexibility for various testing needs, though most water quality testing happens at 20°C.
Construction Components:
Control Systems:
The BOD incubator sees daily use in wastewater and sewage testing at treatment plants to monitor pollutant removal efficiency. Environmental agencies also test rivers and lakes regularly to track pollution trends and contamination sources.
| Industry | Primary Applications | Purpose |
| Water Treatment Plants | Wastewater analysis, effluent testing | Monitor treatment efficiency and compliance |
| Environmental Agencies | River and lake monitoring | Track pollution in natural water bodies |
| Food Processing | Industrial wastewater testing | Measure organic loads before discharge |
| Pharmaceutical | Antimicrobial testing, vaccine development | Study microbial responses |
| Research Labs | Bacterial culture, enzyme production | Observe microbial behavior |
| Agricultural Sector | Fertilizer impact studies | Assess effects on water quality |
The BOD incubator for microbiology labs also supports broader research, including bacterial growth rate and metabolic studies under controlled temperatures.
The BOD incubator working principle and applications come together in the standard five-day BOD test.
Before incubation, technicians adjust the sample’s pH to neutral using sulfuric acid or sodium hydroxide. If chlorine is present, sodium sulfite is added to neutralize it.
Testing Steps:
The digital BOD incubator price in India varies based on specifications and features. Presto India, an ISO-certified manufacturer, offers international-grade equipment.
| Capacity Range | Typical Features |
| 40–70 liters | Basic digital controls |
| 100–200 liters | Advanced controllers, improved insulation |
| 300–425 liters | GMP compliance, SS construction, PLC systems |
Price factors: chamber volume, material quality, controller type, and validation needs.
Presto also offers custom-built models with specific capacities and materials.
Key factors before purchase:
For smaller labs, 70–100 liter models work well. High-volume operations may require 400–600 liter systems.
Proper maintenance ensures accuracy and long life.
| Task | Purpose |
| Regular calibration of sensors | Maintain temperature accuracy |
| Clean inner chamber with disinfectant | Prevent contaminatio |
| Maintain room temp. ~25°C | Stable performance |
| Stable 230V AC power supply | Protect electronics |
| Verify refrigeration and door seals | Ensure uniform temperature |
Scientific research and environmental conservation rely on precise measurement instruments. Presto BOD incubators ensure the standardized conditions necessary for consistent water quality testing and microbiological studies. With advanced temperature control and reliability, these incubators remain essential in laboratories worldwide.
Get high-quality, reliable BOD Incubators at the most competitive prices only at Presto Group — India’s leading manufacturer of laboratory testing instruments.
Call us: +91 9210 903 903
Email: info@prestogroup.com
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