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TECHNICAL DATA
NUMBER OF SENSORS PER SYSTEM:6
SENSOR DISPLAY:4 LED digits
MEASUREMENT:Electronic pressure sensor
TEST TYPOLOGY:BOD
PRESSURE RANGE:500 ÷ 2000 mbar (hPa)
BOD SCALES:90, 250, 600, 999, 4000 ppm, higher values after dilution
BOTTLE VOLUMES:500 ml
DATABOX SENSOR CAPACITY:Up to 48 REPIROMETRIC Sensor
DATABOX POWER SUPPLY:USB / Plug
CONNECTIVITY:Ermes via Wi-Fi / RESPIROSoft™ via USB
SAMPLING TIME:From 2h to 48h, depending on test duration
MEASURING PERIOD: From 5 to 30 days
DATA STORAGE:On sensor, RESPIROSoft™ Database, Ermes Cloud
SENSOR CONSTRUCTION MATERIAL:Technopolymer
SENSOR DIMENSIONS (WXHXD):50x70x70 mm
SENSOR POWER:2 W
SENSOR BATTERY TYPE:CR 2430
STIRRING STATION POWER SUPPLY:230V / 50-60Hz or 115V / 60Hz
STIRRING STATION DIMENSIONS (WXHXD):270x300x185mm
WEIGHT:Sensor: 80g
Stirring Station: 1Kg
SAFETY CLASS:IEC/EN61010-1
PROTECTION DEGREE:IP 54-EN 60529
Biochemical Oxygen Determination BOD
The VELP RESPIROMETRIC Sensor BOD is designed to provide a smart and cloud-enabled solution to laboratories of water and wastewater quality control.
BOD (Biochemical Oxygen Demand) Determination is a simple and easy way for monitoring the microorganisms’ activity in water samples with extremely reliable results.
In particular, microorganisms present or inoculated in a water sample containing biodegradable organic substance, consume oxygen for their metabolic activity and produce a corresponding volume of carbon dioxide.
The carbon dioxide gets absorbed by a strong alkali positioned in the neck of the bottle. The result of this process is a decrease in gas pressure. The BOD measures this change in gas pressure between the beginning to the end of the analysis and gives a result expressed in mg/l .
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