InLab-2000 BOD rapid measurement instrument(Microbial method)

Introduction:

This instrument adopts the microbial electrode method, the microbial membrane dissolved oxygen in the polarographic type electrode on the membrane surface in the air, which constitute the microbial electrode. Instrument adopts the way of circulation, the sample flow way through microbial electrode, contains a lot of aerobic microorganisms in the microbial membrane, under the environment of the organic matter in aerobic and very active, and the organic matter has a broad spectrum of predatory, strong adaptability.

As the output of oxygen electrode current is proportional to the concentration of dissolved oxygen, when does not contain any organic liquid flow pool, through microbe assimilation is small, so almost no reduce through microbial membrane dissolved oxygen. When the solution containing organic matter through flow pool, microbes have become active, consume large amounts of dissolved oxygen, the linear range, the consumption of dissolved oxygen is proportional to the concentration of organic matter, hence lead to decrease accordingly through microbial membrane dissolved oxygen. Dissolved oxygen electrode to measure the variation of dissolved oxygen concentration, and BOD value is calculated. This method is suitable for determination of BOD concentration of 2-50 mg/l water samples, when high BOD can be properly diluted determination, is suitable for the determination of BOD in surface water, sewage and industrial wastewater.

Features:

1. The principle of advanced: the microbial electrode method

2. Large screen LCD display LCD, directly display instruments of all kinds of working condition and measurement results.

3. The measurement time is short: 8 minutes to complete a sample determination.

4. Simple maintenance: only regular replacement of microbial membrane and iv.

5. Water samples without pretreatment, strong anti-jamming capability

6. High safety, the strains used non-toxic harmless to human body

7. High reliability, simple structure, no vulnerable components, long service life

8. Print function with the micro printer, print the measurement results

9. The operation is simple: microcomputer control, intelligent measurement

10. Use dry fading biofilm, save time and easy to change, to save life can reach more than a year, life can be up to 45 days after activation.

Technical  parameters

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