BOD Analyzer
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| Brand | WTW |
|---|---|
| Origin | Germany |
| Model | OxiTop® Control B/BM Soil Respiration Analyzer |
| Measurement Principle | Pressure-based CO₂ consumption/respiration monitoring via headspace oxygen depletion |
| Container Options | MG 1.0 (1000 mL) or PF 45/500 (500 mL) sealed vials with integrated OxiTop®-C stoppers or AD/SK adapters |
| Data Logging | Autonomous, battery-powered, up to 60 days continuous measurement per cycle |
| Output | mg O₂/L·d or µmol CO₂/g soil·h (calculated) |
| Compliance | Designed for ISO 11274, ISO 17402, OECD 207, ASTM D5988, and EU Regulation (EC) No 1107/2009 biodegradation testing protocols |
| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Laboratory BOD Analyzer |
| Measurement Principle | Pressure Differential (O₂ Consumption + CO₂ Absorption) |
| Measurement Range | 0–5000 mg/L |
| Detection Limit | 500 mg/L |
| Accuracy | ±1 mg/L |
| Single Sample Measurement Time | 8 min |
| Repeatability | ±3% |
| Compliance | DIN EN 1899-1, DIN EN 1899-2, EPA Method 5210B, GLP/GMP-ready |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | YT-BOD |
| Instrument Type | Portable BOD Analyzer |
| Measurement Principle | Mercury-Free Pressure Differential Method |
| Measurement Range | 0–4000 mg/L |
| Detection Limit | 5 mg/L |
| Accuracy | ≤5% or ±1 mg/L (at 3.55 hPa) |
| Single-Sample Measurement Time | 8 min |
| Repeatability | 3% |
| Resolution | 0.01 mg/L |
| Data Logging Interval | 5 min – 24 h (user-configurable) |
| Incubation Temperature | 20 ± 1 °C |
| Incubation Duration | 1–30 days (programmable) |
| Sample Vessel Volume | 580 mL |
| Number of Parallel Channels | 6 independent terminals |
| Power Supply | AC 220 V ±10%, 50–60 Hz |
| Dimensions (w×d×h, incl. bottles) | 324 × 335 × 350 mm |
| Data Storage Capacity | ≥10 years of measurement records |
| Connectivity | Bluetooth (terminal-to-host), Wi-Fi (cloud upload), USB export |
| Built-in Thermal Printer | Yes |
| Operating System | Android-based UI |
| Display | 7-inch capacitive touchscreen |
| Battery Life (per terminal) | >2 years |
| Compliance Standards | HJ 505–2009, JJG 824–1993 |