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| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | COM3400W |
| Pricing | Available Upon Request |
| 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) |
| Origin | USA |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Imported |
| Model | AIC2MJ |
| Price Range | USD 700 – 1,400 |
| Airflow Rate | 200 cm³/s |
| Measurable Ion Polarity | Positive and Negative |
| Linear Drift Velocity | 40 cm/s |
| Display | Digital LCD |
| Measurement Range | 10 to 2 × 10⁶ ions/cm³ (extended range up to 2 × 10⁷ ions/cm³) |
| Response Time | ~10 s |
| Measurement Modes | Low / Medium / High Concentration |
| Minimum Detectable Concentration | 10 ions/cm³ (100 ions/cm³ in extended low-noise mode) |
| Operating Temperature | −20 °C to +60 °C |
| Relative Humidity Limit | ≤99 % RH (non-condensing) |
| Power Supply | 9 V alkaline battery |
| Dimensions | 165.1 × 93.98 × 76.2 mm |
| Weight | 420 g |
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