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COD Digester

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COD Digester Specification

Frequency
50 Hz

Model No
COD-12

Accuracy
1C

Temperature Range
RT to 150C

Capacity
12 samples

Measurement Range
0-1500 mg/L

Automation Grade
Semi Automatic

Power Source
Electric

Voltage
230 V AC

Feature
Uniform heating, Digital temperature controller

Core Components
Heater, Block, PID Controller, Sample Tubes

Equipment Materials
Mild Steel powder coated body with Aluminum Block

Type
Laboratory Digester

Usage
Chemical Oxygen Demand Analysis

Display Type
Digital/LED display

Dimension (L*W*H)
420 x 250 x 190 mm

Weight
Approximately 10-12 kg

COD Digester Trade Information

Payment Terms
Cash Advance (CA), Cash in Advance (CID), Cheque, Telegraphic Transfer (T/T), Letter of Credit (L/C)

Sample Available
Yes

Sample Policy
Sample costs shipping and taxes has to be paid by the buyer

Packaging Details
carton box, export quality also available

Main Export Market(s)
Asia, Eastern Europe, Western Europe, Middle East, Africa

Main Domestic Market
All India

Certifications
ISO 9001, 14001 ,CE

About COD Digester

COD Digester is the most accepted Thermoreactor for Determination of Chemical Oxygen Demand in Various Substances. Chemical Oxygen Demand (COD) is a Measure of the Capacity of Water to Consume Oxygen During the Decomposition of Organic Matter and the Oxidation of Inorganic Chemicals such as Ammonia and Nitrite. COD Measurements are Commonly made on Samples of Waste Waters or of Natural Waters Contaminated by Domestic or Industrial Wastes. Chemical Oxygen Demand is Measured as a Standardized Laboratory assay in which a closed Water Sample is Incubated with a Strong Chemical Oxidant Under Specific Conditions of Temperature and for a Particular Period of Time.High Performance and User Friendly Controls Combine to Produce a Specification Which Offers Exceptional Efficiency and Reliability. The Benefit to you-convenient, No Fuss Heating! Excellent Temperature Control. Uniform And Stable Heating New Compact Size

Technical Specification:

Controller Microprocessor Based Digital Temperature Indicator cum Controller

Display LED with set value (SV) and Process value (PV)

Heater Load 1.0 KW

Tube Cavity 40mm() x 65mm(D)

No. of Cavaties 15 holes to accommodate 15 samples

Glass Tube Size Supplied with 15 nos. of Glass Tubes of size 38mm() x 200mm (Length)

Glass Air Condenser Size Supplied with 15 nos. of air condensers of 600 mm length each.

Sample Size 20 ml

Temperature Range Ambient +5C to 150C

Temperature Accuracy 1C

Sensor RTD (Pt-100)

Material External Powder Coated CRC Steel

Block Polished Aluminium

Tube Rack 1 No.

Power Supply 230V AC, 50/60Hz

Precise and Efficient COD Analysis

This laboratory digester is purpose-built for reliable Chemical Oxygen Demand testing. Uniform heating across all 12 sample holes guarantees dependable results, while the digital PID temperature controller ensures accuracy and repeatability. Its robust design and advanced safety features make it suitable for intensive use in water and wastewater laboratories.

User-Friendly Operation and Safety

COD-12 is equipped with a digital/LED display for clear temperature monitoring and a lift-up shield for easy access and enhanced user protection. The over-temperature cut-off prevents overheating, ensuring both equipment longevity and operator safety during routine or high-throughput analysis.

Versatility and Compliance

Designed for a wide range of applications including environmental, industrial, and municipal water testing, this digester meets CE certification standards. Its semi-automatic operation and compatibility with standard laboratory power supplies make it a versatile addition to any analytical laboratory.

FAQs of COD Digester:

Q: How do you operate the COD Digester for sample analysis?

A: Place pre-prepared samples in the test tubes, insert them into the aluminum alloy block, and close the lift-up polycarbonate shield. Set the desired temperature on the PID digital controller, typically 150C for COD analysis, and initiate heating. Once the set temperature is reached, the samples are digested for the recommended duration before analysis.

Q: What safety features are included in the COD Digester?

A: The COD-12 model includes an over temperature cut-off mechanism to prevent overheating, and a lift-up polycarbonate shield to provide physical protection for the operator during sample loading and unloading.

Q: When should this digester be used in the water analysis process?

A: Use the digester during the sample preparation stage for COD analysis, prior to measuring and quantifying the oxygen demand. It is suitable for water, industrial, and wastewater analysis in environmental or research laboratories.

Q: Where can this equipment be implemented effectively?

A: This COD Digester is ideal for water treatment facilities, industrial laboratories, municipal wastewater plants, and research institutions requiring consistent and accurate COD measurements.

Q: What is the process for setting the temperature, and what level of control does the unit provide?

A: Adjust the temperature using the digital PID controller, which allows precise programming from ambient temperature up to 150C. The controller maintains accuracy within 1C, and the digital/LED display ensures ongoing monitoring.

Q: What are the main benefits of using the COD-12 Digester?

A: Benefits include uniform heating for all samples, precise digital temperature control, the ability to process 12 samples simultaneously, robust safety features, and compliance with CE standards, making it reliable for high-accuracy water analysis.

Q: What type of samples and measurement range can this COD Digester handle?

A: The device supports up to 12 samples per batch in standard 38 mm test tubes, with a measurable COD range of 0-1500 mg/L, covering most common water, industrial, and wastewater analysis requirements.

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