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 .
Specifications
| NUMBER OF SENSORS PER SYSTEM: | 6 |
| MEASUREMENT: | Electronic pressure sensor |
| PRESSURE RANGE: | 500 ÷ 2000 mbar (hPa) |
| BOTTLE VOLUMES: | 500 ml |
| DATABOX POWER SUPPLY: | USB / Plug |
| SAMPLING TIME: | From 2h to 48h, depending on test duration |
| DATA STORAGE: | On sensor, RESPIROSoft™ Database, Ermes Cloud |
| SENSOR DIMENSIONS (WXHXD): | 50x70x70 mm |
| SENSOR BATTERY TYPE: | CR 2430 |
| STIRRING STATION DIMENSIONS (WXHXD): | 270x300x185mm |
| SAFETY CLASS: | IEC/EN61010-1 |
| SENSOR DISPLAY: | 4 LED digits |
| TEST TYPOLOGY: | BOD |
| BOD SCALES: | 90, 250, 600, 999, 4000 ppm, higher values after dilution |
| DATABOX SENSOR CAPACITY: | Up to 48 REPIROMETRIC Sensor |
| CONNECTIVITY: | Ermes via Wi-Fi / RESPIROSoft™ via USB |
| MEASURING PERIOD: | From 5 to 30 days |
| SENSOR CONSTRUCTION MATERIAL: | Technopolymer |
| SENSOR POWER: | 2 W |
| STIRRING STATION POWER SUPPLY: | 230V / 50-60Hz or 115V / 60Hz |
| WEIGHT: | Sensor: 80g Stirring Station: 1Kg |
| PROTECTION DEGREE: | IP 54-EN 60529 |
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