Shandong Green Kerry Precision Instrument Co., Ltd
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    Building 2, Medical Machinery Industry Park, West Section of Daxue Road, Wanfu Office, High tech Zone, Heze City, Shandong Province
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National standard COD digester
The national standard COD digester follows the national standard (GB11914-89) and environmental standard (HJ828-2017) to ensure reliable and accurate
Product details

GL-108National standard COD digesterDetailed introduction

Product Overview
GL-108 typeNational standard COD digesterFollowing the national standard (GB11914-89) and environmental standard (HJ828-2017), ensure the digestion operation with reflux heating and micro boiling for 2 hours, prepare and add the reagent solution according to the standard method *, and ensure reliable and accurate analysis results.

Product Features

1. Using imported microcrystalline panels, it can withstand high temperatures of 700 ℃, generate heat evenly, have fast rise/fall speeds, and have a smooth and easy to clean and maintain surface.

2. A new type of high-temperature resistant ceramic fiber heating plate with uniform thermal conductivity,

3. The glass burr reflux tube and heat dissipation system have good digestion reflux effect to ensure the parallelism and accuracy of the digestion results.

4. Digital display of microcrystalline panel temperature. Digital display of digestion time: temperature and timing can be set at any time.

5. After digestion is completed, the equipment automatically stops heating and the fan continues to work for 120 minutes to assist in sample cooling. It can be operated unattended.

Technical Specifications

Instrument model GL-108
heating quantity 8 samples
Heating panel Complies with both national standards (GB11914-89) and environmental standards (HJ828-2017)
cooling system Imported Microcrystalline Panel
Time and Temperature Glass burr reflux pipe and dual fan thermal cooling
heating power 165-300℃ ,5-150min
Instrument power supply 2000W
working environment AC(220V±5%), 50Hz
Instrument size 5-40 ℃, ≤ 85% non condensing
Instrument weight 440mm×330mm×570mm
measurement range About 15kg
digestion time 10~1000mg/L、 Dilute water samples with a concentration greater than 1000mg/L
measurement error 10 minutes to 2 hours
execution standard The relative standard deviation of potassium hydrogen phthalate standard solution (500mg/L) is not more than 5.0%,
The relative standard deviation of industrial organic wastewater (500mg/L) is not more than 7.0%


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