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| Brand | Schütz SIGAS |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Regional Category | Domestic (PRC) |
| Model | SPTr-GAS® ANALYZER |
| Instrument Type | Online Gas Analyzer |
| Detection Principle | Photoacoustic Spectroscopy (PAS) |
| Typical LOD | < 0.01 % FS |
| Response Time (T90) | < 20 s |
| Warm-up Time | ~15 min to 50 °C at 20 °C ambient |
| Display | 5.6" Touchscreen LCD |
| Analog Output | 4–20 mA (configurable range), 2 mA fault signal |
| Digital I/O | 6 relay outputs (programmable per channel) |
| Communication | RS232 (DB9-M), RS485 Modbus RTU |
| Power Supply | 198–242 V AC, 50/60 Hz, < 125 W |
| Enclosure Rating | IP41 (EN 60529) |
| Weight | ~10 kg (net), ~19 kg (packaged) |
| Sample Flow Rate | 0.2–1.2 L/min (±0.02 L/min stability required) |
| Inlet Temp | 5–35 °C |
| Inlet Pressure | ≤116 kPa |
| Inlet Humidity | Non-condensing |
| Particulate Load | ≤100 µg/m³, ≤1 µm |
| Zero Gas | 99.999% N₂ |
| Span Gas | 75–125% of full scale |
| Mid-point Calibration Gas | 37.5–62.5% of full scale |
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