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| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SO-220 |
| Measurement Range | 0–100% O₂ |
| Accuracy (Stability) | ±0.05% O₂ (under stable ventilation) |
| Repeatability | ±0.001% O₂ (10 ppm) |
| Operating Temperature | −20 to +60 °C |
| Relative Humidity Range | 0–100% RH |
| Pressure Range | 60–140 kPa |
| Response Time (t₉₀) | 12 s |
| Output Signal | 12 mV at 20.95% O₂ |
| O₂ Consumption Rate | 2.2 µmol/day at 20.95% O₂, 23 °C |
| Interferent Resistance | CO₂, CO, NO, NO₂, H₂S, H₂, CH₄ — no interference |
| Power Supply | 12 V for heater, 2.5 V for thermistor activation |
| Cable | 5 m foil-shielded |
| Diffusion Cap (optional) | 3.5 cm L × 3.5 cm Ø, 125 vent holes |
| Flow-through Cap (optional) | 3.2 cm L × 3.2 cm Ø, 1/8″ conical adapter for tubing |
| Integrated Temperature Sensor | Thermocouple |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | SO-210 Ambient Oxygen Sensor |
| Measurement Range | 0–100% O₂ |
| Accuracy (Stability) | ±0.05% O₂ (under stable ventilation) |
| Repeatability | ±0.001% O₂ (10 ppm) |
| Operating Temperature | −20 to +60 °C |
| Relative Humidity Range | 0–100% RH |
| Pressure Range | 60–140 kPa |
| Response Time (t₉₀) | 12 s |
| Output Signal | 12 mV at 20.95% O₂ |
| O₂ Consumption Rate | 2.2 µmol/day at 20.95% O₂, 23 °C |
| Cross-Sensitivity | Negligible to CO₂, CO, NO, NO₂, H₂S, H₂, CH₄ |
| Power Supply | 12 V for heater, 2.5 V for thermistor excitation |
| Cable | 5 m foil-shielded twisted pair |
| Optional Diffusion Cap | 3.5 cm L × 3.5 cm Ø, 125 vent holes |
| Optional Flow-Through Cap | 3.2 cm L × 3.2 cm Ø, 1/8″ conical hose adapter |
| Integrated Temperature Sensor | NTC thermistor |
| Weight | 175 g |
| Brand | Apogee |
|---|---|
| Origin | USA |
| Model | MO-200 |
| Measurement Principle | Electrochemical (Galvanic Cell) |
| Range | 5–100 % O₂ |
| Repeatability | ±0.1 % at 20.9 % O₂ |
| Nonlinearity | <1 % |
| Response Time (t₉₀) | 14 s |
| Operating Temperature | 0–50 °C |
| Relative Humidity Limit | <90 % RH |
| Pressure Range | 60–150 kPa |
| Gas Interference | Immune to CO₂, CO, NO, NO₂, H₂S, H₂, CH₄ |
| Probe Body Dimensions | Ø32 mm × 68 mm |
| Diffusion Cap (A0-001) | Ø35 mm × 35 mm |
| Flow-Through Cap (A0-002) | Ø32 mm × 91 mm |
| Cable Length | 2 m |
| Data Logger Capacity | 99 manual entries |
| Display Unit Dimensions | 126 mm × 70 mm × 24 mm |
| Integrated Temperature Sensor | Yes |
| Heated Membrane | Yes |
| Enclosure Material | Acid-resistant polymer |
| Compliance | CE-marked per EN 61326-1 (EMC), EN 61010-1 (Safety) |
| Brand | WD Precision |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SwisensPoleno Jupiter |
| Price | USD 420,000 (FOB Zurich) |
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