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| Brand | Geotech (UK) |
|---|---|
| Origin | USA |
| Manufacturer Status | Authorized Distributor |
| Origin Category | Imported |
| Model | ES 5K (Biogas 5000) |
| Price Range | USD 6,800 – 13,600 |
| Certification | ATEX II 2G Ex ib IIA T1 Gb |
| Measurement Principle | Dual-Channel NDIR for CH₄/CO₂ |
| Gas Range | CH₄ 0–100% vol, CO₂ 0–100% vol, O₂ 0–25% vol, H₂S 0–50/500/5,000/10,000 ppm, CO 0–500/1,000/2,000 ppm, NH₃ 0–1,000 ppm, H₂ 0–1,000 ppm |
| Accuracy | CH₄ & CO₂ ±0.5% vol (0–70%/0–60%), ±1.5% vol (higher ranges) |
| Response Time (T90) | CH₄/CO₂ ≤10 s, O₂ ≤20 s, H₂S/CO ≤30 s, NH₃/H₂ ≤90 s |
| Battery | Rechargeable NiMH pack, 8 h continuous operation |
| Enclosure Rating | IP65 |
| Operating Temp | −10 to +50 °C |
| Dimensions | 220 × 155 × 60 mm |
| Weight | 1.5 kg |
| Data Storage | 500 measurement sets across 10 user-defined IDs |
| Connectivity | USB 2.0 & Bluetooth 4.2 |
| Pressure Measurement | ±500 mbar (±4 mbar accuracy), atmospheric range 500–1500 mbar (±5 mbar) |
| Temperature Probe Option | −10 to +75 °C (±0.5 °C) |
| Flow Rate | 550 mL/min (pump), fault threshold at −200 mbar, auto-restart at ≈−375 mbar |
| Filter | Replaceable 2.0 µm PTFE hydrophobic membrane |
| Alarm | Configurable visual & audible alerts |
| Language Support | User-selectable UI languages |
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