PKSAIR
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| Brand | PKSAIR |
|---|---|
| Origin | Japan |
| Model | COM-3700 |
| Measurement Principle | Gerdien Capacitor Method |
| Ion Polarity | Simultaneous Positive & Negative Ion Detection |
| Mobility Range | 0.00269 – 5.38 cm²/V·s (equivalent to ~2000 cm²/V·s in standard mobility scale) |
| Measurement Modes | Auto (dual-polarity) and Manual (single-polarity) |
| Concentration Range | R1: 0–8,000 ions/cm³ |
| R2 | 0–50,000 ions/cm³ |
| R3 | 0–500,000 ions/cm³ |
| R4 | 0–5,000,000 ions/cm³ |
| Display | 16-character × 2-line STN LCD with backlight and ON/OFF control |
| Data Logging | Internal memory for time-stamped measurements |
| Interface | RS-232C output for PC connectivity |
| Compliance | Designed for field-deployable environmental ion monitoring per JIS B 7951 and ISO 16000-22 (indoor air quality — measurement of airborne ions) |