A respirometer is a device used to measure the rate of respiration of living organisms including microorganisms by measuring their rates of consumption of oxygen or production of biomethane or biohydrogen.
BRS-110 | BRS-200 | BRS-800 | |
---|---|---|---|
No. of channels | 4 channels | 4 channels | 8 channels |
No. of expandable channels | Expandable 16 channels in a computer | Expandable 16 channels in a computer | Expandable 32 channels in a computer |
Flowrate | 0~1 mL/min | 1~5 mL/min | 0~0.2 mL/min |
Measuring resolution | Approx. 0.03 mL | Approx. 0.15 mL | Approx. 0.03 mL |
Measuring interval | 1 sec~10 hours(changeable) | 1 sec~10 hours(changeable) | 1 sec~10 hours(changeable) |
Gases | O₂ (OUR), CO₂, CH₄, H₂, and N₂ | O₂ (OUR), CO₂, CH₄, H₂, and N₂ | O₂ (OUR), CO₂, CH₄, H₂, and N₂ |
Error | ≤2% | ≤2% | ≤2% |
Data output | USB | USB | USB |
Power input | DC 12V, 3.5A | DC 12V, 3.5A | DC 12V, 3.5A |
Weight | 1.7 kg | 1.7 kg | 1.7 kg |
Size | 190 mm(W) * 130 mm(D) * 110 mm(H) | 200 mm(W) * 140 mm(D) * 120 mm(H) | 200 mm(W) * 140 mm(D) * 120 mm(H) |
Temperature | 0~50℃ | 0~50℃ | 0~50℃ |
Humidity | ≤95% | ≤95% | ≤95% |
Material | Aluminum | Aluminum | Aluminum |
Gas production
Biochemical oxygen demand (BOD)
O2 consumption
Toxicity test with sporeforming bacteria
Hydrogen gas production
Toxicity test with algae
Results after calibration
BMP test results (triplicate) for food waste and
dried sludge using the BRS-800
Graph
Measurement
Data convert
Setting