ET99724N microcomputer biochemical oxygen demand BOD analyzer

Measurement range: 0 to 4000 mg/L

Large screen display, continuous reading and real-time graphical display of measurement process changes, using the principle of BOD determination by respiratory pressure method, highly environmentally friendly mercury free measurement, set BOD cultivation period (1 to 28 days).

Independent sample measurement channel, quick access to data at any time, USB&SD flash card interface, convenient data transmission management,

Compliant with APHA, AWWA, WFF standard method 5210 D and DIN 38 409-H 52 standard method

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Biochemical Oxygen Demand (BOD)

The amount of oxygen consumed when organic matter in water is biodegraded by microorganisms is an important indicator for measuring the pollution of water quality caused by organic matter.

ET99724N high-precision micro electric BOD analyzer

Referring to APHA, AWWA, WFF standard method 5210 D and DIN 38 409-H 52 standard method, it is widely used for the determination of BOD in surface water, domestic sewage, and industrial sewage.

Suitable for sewage treatment plants, various high-tech biological laboratories, and environmental monitoring departments.

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Performance Features Highlights

Using the principle of BOD determination by respiratory pressure method, highly environmentally friendly and mercury free measurement

Users can set the BOD cultivation period (1 to 28 days) to meet different experimental requirements

Up to 7 BOD ranges to choose from, 6 independent sample measurement channels

▷ Large screen display, continuous reading and real-time graphical display of measurement process changes

Equipped with a dedicated remote control, users can quickly access data at any time

Equipped with an automatic activation function, the measurement will automatically start once the sample temperature is balanced

▷ Ultra thin high-performance magnetic stirring system ensures uniform conditions during cultivation

USB&SD flash card interface, convenient for data transfer and management with computers

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Combined with Lovibond brand constant temperature incubator for better measurement results

Temperature is the main influencing factor of biological activity.

During the BOD measurement process, the temperature must be controlled at 20 ℃± 1 ° C.

Lovibond brand incubator series, temperature selection range: 2 ° C-40 ° C, built-in 3-5 power sockets, ± 1 ° C temperature control accuracy, providing constant temperature cultivation conditions for BOD measurement, effectively ensuring accurate and reliable BOD measurement and analysis data.

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Essential reagents for precise measurement

ET2418642 Nitrification inhibitor (N-ATH): Inhibits the action of nitrifying bacteria.

ET2418634 45% KOH Absorbent: Absorbs carbon dioxide produced by microorganisms in water.

ET418238 BOD Control Measurement Tablets: Verify the accuracy of BOD measurement.

Technical Specifications

ET99724N

measurement range

0 to 40 mg/L O2、0 to 80 mg/L O2、0 to 200 mg/L O2、0 to 400 mg/L O2

0 to 800 mg/L O2、0 to 2000 mg/L O2、0 to 4000 mg/L O2

Accuracy @ 20 ° C

± 0.5% F.S. [Measurement deviation of glucose glutamic acid standard solution within the BOD range of 50 to 100mg/L ± 5%]

Measuring principle

Principle of respiratory negative pressure method, mercury free measurement, application: BOD5, BOD7, OECD 301 F

Method Standard

Refer to APHA, AWWA, WFF standard method 5210 D and EN1899-2 standard method H55

Cultivate measurement

The cultivation period can be set from 1 to 28 days; Can independently measure 6 samples simultaneously; When the temperature of the sample is balanced, it can automatically start

LCD display screen 128 × 240 pixels, 45 × 84mm backlit

data management

Up to 672 data stores, graphical display of measurement curves for each sample

Equipped with remote control, data can be accessed at any time, USD/SD interface, convenient for data transmission with PC

Power mode

3 × 1.5AAA batteries or 100-240 V/50-60 Hz power supply

Protection level

ABS shell, IP54 rating (pressure sensor)

Dimensions & Weight

Host size: 375 x 181 x 230 mm, host weight: 5.8 kg

certification standard

CE certification, compliance with EMC, DIN EN 61326