KEM (Kyoto Electronics Manufacturing)
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| Brand | KEM (Kyoto Electronics Manufacturing) |
|---|---|
| Origin | Japan |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | HG-37N |
| Price Range | USD 68,000 – 136,000 (FOB Japan) |
| Measurement Principle | Cold Vapor Atomic Absorption Spectroscopy (CVAAS) with Dry Oxidation-Reduction Conversion |
| Measurement Range | 0–50 µg/m³N or 0–1000 µg/m³N (switchable) |
| Response Time | ≤90 s |
| Repeatability | ±1% of reading |
| Linearity Error | ±2% of full scale |
| Zero Drift | ≤±1% per week |
| Sample Gas Flow Rate | 300 mL/min |
| Calibration Interval | Recommended every 30 days |
| Interference Resistance | Immune to Cl⁻, SO₂, NOₓ, H₂O vapor, and particulate carryover under ISO 15202-compliant sampling conditions |
| Compliance | Designed to meet EPA Method 29, ASTM D6784-22, and EN 14181 QAL1 requirements for mercury CEMS |