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| Brand | Riken Keiki |
|---|---|
| Origin | Japan |
| Model | FP-30MK2(C) |
| Principle | Photometric Colorimetry |
| Measurement Range | 0–0.4 ppm / 0–1.0 ppm (equivalent to 0–0.50 mg/m³ / 0–1.250 mg/m³) |
| Resolution | 0.01 mg/m³ (low range) / 0.025 mg/m³ (high range) |
| Repeatability | ±5% of reading (typical, per JIS B 7981 and GB/T 18204.2–2014) |
| Sampling Method | Pump-aspirated |
| Response Time | t₉₅% ≤ 180 s |
| Operating Temperature | −10 °C to +40 °C |
| Operating Humidity | ≤90% RH, non-condensing |
| Flow Rate | 0.5 L/min |
| Data Storage | 99 auto-saved records |
| Battery Life | ~12 h (4 × AA alkaline, 20 °C, no backlight/alarm) |
| Dimensions | 80 × 150 × 40 mm (W×H×D) |
| Weight | ~250 g (excl. batteries) |
| Certifications | CPA (China Metrology Accreditation), compliant with GB/T 18204.2–2014 and JIS B 7981 |
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