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COD reflux digester

NegotiableUpdate on 05/06
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Overview

The COD reflux digester complies with the requirements of the "HJ 828-2017 Determination of Chemical Oxygen Demand (COD) in Water Quality - Dichromate Method" standard. This instrument has the characteristics of safe operation, simplicity, reliable digestion, multiple protections, and high intelligence. It adopts microcomputer control technology and is suitable for the determination of chemical oxygen demand (COD) in water samples such as surface water, industrial wastewater, and domestic sewage.

Product Details

COD回流消解器1、 Technical parameters

*Measurement range:10~700,700~10000mg/L(Dilution of water sample)

Measurement time:10min~2hour

Measurement error: Potassium hydrogen phthalate standard solution(500mg/L)Relative standard deviation ≤±5%;

Industrial organic wastewater(500mg/L)Relative standard deviation ≤±8%

Ambient temperature-20~55℃

Power supply voltage:220V,50HZ

Heating power:2000W(AC 220V±22V,50HZ)

Sample Quantity:12One (using)24#ground joint250mlCone shaped bottle

Product size: Length (left-right distance)440mmWidth (front to back distance)350mm╳ High (including reflux pipe)765mm

COD回流消解器2、 Product advantages and features:

Standard MicrocrystallineCODThe digestion device adopts a microcrystalline panel with a flat surface. The heating part uses a new type of imported high-temperature resistant ceramic fiber heating plate. The bottom plate and surrounding heat loss of the digester are small, and the heating and thermal conductivity are uniform, resulting in higher thermal efficiency.

1 Adopting imported microcrystalline panel: durable800High temperature of ℃, uniform heating, fast heating and cooling speed;

2 *Microcrystalline panel: The surface of the panel is smooth and even, with surface stains that can be wiped clean immediately, reducing damage to the instrument caused by improper operation;

3 Cooling system: a new type of glass burr reflux tube and cooling system, with good digestion reflux effect and relatively small deviation in sample digestion parallelism and accuracy;

4 *Display operation: Digital temperature panel display, can adjust the digestion temperature as needed at any time;

5 Dissolution time: Digital display of dissolution time5minute-150Between minutes;

6 After digestion is completed, the instrument automatically stops heating and the instrument fan continues to work120Minute, auxiliary sample cooling, can be unattended;

7 Energy saving, water-saving, safe and reliable, improving the work efficiency of operators;