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| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | 17i |
| Instrument Type | Online Gas Analyzer |
| Detection Principle | Chemiluminescence (NO + O₃ → NO₂* + hν) with Catalytic Conversion for NH₃ and NO₂ |
| Measurement Modes | NO, NOₓ, Nₜ |
| Output Signals | Analog (0–10 V / 4–20 mA), Digital (Ethernet), RS-232/RS-485 |
| Range Options | 0–50 to 0–20,000 ppb |
| Zero Noise | 0.5 ppb RMS (120 s averaging) |
| LOD | 1 ppb |
| Zero Drift (24 h) | ≤1 ppb |
| Span Drift (30 days) | ≤1% FS |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | 17i NH₃ Analyzer |
| Instrument Type | Online Gas Analyzer |
| Detection Principle | Chemiluminescence Detection (CLD) |
| Measurement Range | 0–50, 100, 200, 500, 1,000, 2,000, 10,000, 20,000 ppb |
| Alternate Units | 0–100, 200, 500, 1,000, 2,000, 5,000, 10,000, 20,000, 30,000 µg/m³ |
| Zero Noise | 0.5 ppb RMS (120-s averaging time) |
| Limit of Detection (LOD) | 1 ppb |
| Zero Drift (24 h) | ≤1 ppb |
| Span Drift (30 days) | ≤1% of full scale |
| Analog Outputs | Independent isolated 0–10 V or 4–20 mA outputs for NO, NO₂, NH₃, and NOₓ |
| Diagnostic Capability | Real-time status monitoring, remote performance diagnostics, built-in fault detection and logging |
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