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| Brand | Truelab |
|---|---|
| Origin | Shanghai, China |
| Model | SCY-3 |
| Measurement Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Detection Range | 0–2% (displayed as % vol when ≥1% |
| Accuracy | ±1.0% of full scale |
| Operating Temperature | 0–45 °C |
| Relative Humidity Limit | <90% RH (non-condensing) |
| Interference Restrictions | Excludes CH₄, SO₂, H₂S, Cl₂, NH₃, and other corrosive or spectrally overlapping gases |
| Power Supply | AC 220 V, 50–60 Hz / DC 12 V (rechargeable Ni-MH battery onboard) |
| Power Consumption | ≤3 W (DC mode) |
| Dimensions | 210 × 90 × 230 mm |
| Weight | 2.0 kg |
| Response Time (t₉₀) | ≤50 s |
| Display | Backlit Chinese-language LCD |
| Data Output | Integrated thermal printer (real-time printout of measurement records) |
| Auto-Sampling Interval | Programmable timed measurement cycles |
| Compliance | Designed per IEC 61000-6-3 (EMC), GB/T 18204.2–2014 (Chinese standard for CO₂ detection in indoor air), and general industrial safety requirements for portable gas analyzers |
| Brand | Truelab |
|---|---|
| Origin | Shanghai, China |
| Model | SCY-3A |
| Measurement Range | 0–1.5% (w/w) |
| Accuracy | ±2.5% |
| Display | Chinese LCD interface |
| Power Supply | AC 220 V / 50 Hz |
| Power Consumption | ≤15 W |
| Dimensions | 450 mm × 305 mm × 550 mm (H) |
| Weight | 15 kg |
| Data Storage Capacity | 63 entries per sample type (beer + soft drinks) |
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