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| Brand | MKS |
|---|---|
| Origin | USA |
| Model | MG6030 |
| Instrument Type | Online FTIR Spectrometer |
| Wavenumber Range | 10 ppb to 100% (gas-phase concentration) |
| Spectral Resolution | 0.5–128 cm⁻¹ |
| Scan Speed | 5 scans/sec at 0.5 cm⁻¹ |
| Detector | Liquid-nitrogen-cooled or thermoelectrically cooled MCT (HgCdTe) |
| Optical Path Length | 5.11 m |
| Purge Gas | Dry N₂ or CO₂-free air (dew point < −70 °C), flow rate 0.2 L/min |
| Pressure Sensor | MKS Baratron® capacitance manometer |
| Sample Temperature Range | Ambient to 200 °C |
| Sample Flow Rate | 0.2–10 L/min |
| Sample Pressure Range | 0.01–4 atm |
| Enclosure Material | Nickel-plated aluminum or 316 stainless steel |
| Weight | 50 kg |
| Dimensions | 445 mm (W) × 318 mm (H) × 648 mm (D) |
| Power | 110/220 VAC, 50/60 Hz, 3 A |
| Brand | ONUEE |
|---|---|
| Origin | France |
| Model | EMIR-PAS |
| Instrument Type | Tunable Quantum Cascade Laser-Based Mid-IR Photoacoustic Spectrometer |
| Detection Principle | Laser Photoacoustic Spectroscopy (LPAS) |
| Key Gases | H₂O, NO, NO₂, CO, CO₂, NH₃, CH₄, N₂O, SF₆ |
| Detection Limit | Sub-ppm (gas-dependent) |
| Accuracy | <1% of reading or LOD |
| Repeatability | <1% of reading or LOD |
| Response Time (T90) | Typically <5 s |
| Measurement Frequency | Up to 10 Hz |
| Sample Flow Rate | <80 mL/min |
| Cell Volume | 1 mL |
| Operating Pressure | 0.5–2 bar.a (requires integrated pressure sensor) |
| Power Supply | 24 V DC, ~10 W |
| Communication | RS485, Modbus RTU |
| Dimensions | 115 × 170 × 108 mm |
| Weight | <2 kg |
| Environmental Operating Range | 10–30 °C, 0–95% RH (non-condensing) |
| Compliance | Designed for industrial integration in EPA-, ISO-, and IEC-compliant monitoring systems |
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