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| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DLY-4 |
| Pricing | Available Upon Request |
| Ion Concentration Range | 1–1.999×10⁹ ions/cm³ |
| Resolution | 1 ion/cm³ |
| Ion Mobility Ranges | 1.0 / 0.4 / 0.15 cm²/(V·s) (3-step selection) |
| Sampling Airflow Velocity | 180 cm/s |
| Response Time Constant | ~15 s |
| Accuracy | ±10% for ion concentration and ion mobility |
| Power Supply | DC 12 V or AC 220 V |
| Operating Environment | –0 to +40 °C, ≤90% RH (short-term operation permitted above 90% RH) |
| Compliance | GB/T 18809–2002 |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | DLY-5 |
| Pricing | Upon Request |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | DLY-6EU |
| Price Range | USD 0.14 – 714.29 |
| Ion Mobility | 0.4 cm²/V·s |
| Dimensions | 180 × 100 × 50 mm |
| Power | Rechargeable Li-ion battery + AC adapter |
| Data Interface | USB |
| Display | Integrated LCD |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DLY-6A2 |
| Price Range | USD 1,400 – 2,800 |
| Measurement Range | 1–1.5×10⁶ ions/cm³ |
| Polarity Detection | Positive and/or Negative Ions |
| Resolution | 2 ions/cm³ |
| Measurement Cycle | 60 seconds |
| Selectable Modes | Negative Ion Only / Positive Ion Only / Bipolar (Simultaneous ±) |
| Ion Mobility | 0.4 cm²/(V·s) |
| PC Connectivity | USB-to-Serial (CP210x VCP Driver), Windows XP/7/8/10 Compatible |
| Data Output | Real-time & Averaged Values, Time-Series Curve Plotting, Local Disk Storage (CSV/Proprietary Binary) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DLY-3 |
| Price Range | USD 2,800 – 7,000 |
| Ion Concentration Range | 10–1.999×10⁹ ions/cm³ |
| Resolution | 10 ions/cm³ |
| Ion Mobility Ranges | 1.0 / 0.4 / 0.15 cm²/V·s (3-step selectable) |
| Air Sampling Velocity | 180 cm/s |
| Response Time Constant | ~15 s |
| Accuracy | ±10% for concentration and mobility |
| Power Supply | DC 14.4 V (rechargeable sealed battery) or AC 220 V / 110 V (optional) |
| Operating Environment | −0 to +40 °C, ≤90% RH (short-term operation permitted above 90% RH) |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | DLY-6N3 |
| Price Range | USD 0.14 – 714.29 |
| Detection Range | 10–3999 × 10⁰ ions/cm³ |
| Resolution | 10 ions/cm³ |
| Ion Mobility | 0.4 cm²/(V·s) |
| Dimensions | 18 × 10.5 × 5 cm |
| Power Supply | Sealed maintenance-free rechargeable battery (AC 220 V or 12 V automotive battery compatible) |
| Sensor Type | Gold-plated parallel-plate air ion collector (Wesix principle) |
| Display | LCD, direct readout in ions/cm³ |
| Compliance | GB/T 18809–2002 (Chinese National Standard for Air Ion Measurement Instruments) |
| Origin | Fujian, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | KT-401P |
| Price Range | USD 0.15 – 750 |
| Display | 3.5-digit LCD |
| Measurement Range | 1 × 10⁴ – 1999 × 10⁴ ions/cm³ |
| Max Display | 1999 × 10⁴ ions/cm³ |
| Resolution | 1 × 10⁴ ions/cm³ |
| Polarity | Negative ions only |
| Peak Hold Function | Yes |
| Power Source | LR44 button cell (x2) |
| Dimensions | 78 mm (L) × 27 mm (W) × 9 mm (H) |
| Warranty | 1-year limited warranty, lifetime technical support |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DLY-2 |
| Pricing | Upon Request |
| Ion Concentration Range | 10–1.999×10⁹ ions/cm³ |
| Minimum Resolution | 10 ions/cm³ |
| Ion Mobility Ranges | 0.15, 0.04, and 0.004 cm²/V·s (3-step selection) |
| Air Sampling Velocity | 180 cm/s or 35 cm/s (dual-mode) |
| Response Time Constant | ≈15 s |
| Measurement Accuracy | ±10% for ion concentration |
| Power Supply | DC 12 V (rechargeable sealed lead-acid battery) or AC 220 V (50 Hz) |
| Operating Environment | −0 to +40 °C |
| Compliance | GB/T 18809–2002 |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | KT-401 |
| Price Range | USD 0.15 – 750 (FOB) |
| Measurement Range | 1 × 10⁴ to 1999 × 10⁴ ions/cm³ |
| Resolution | 1 × 10⁴ ions/cm³ |
| Display | 3.5-digit LCD (max 1999) |
| Power Supply | LR44 button cell (x2) |
| Dimensions | 78 mm (L) × 27 mm (W) × 9 mm (H) |
| Ion Polarity Detection | Simultaneous positive and negative ion concentration readout |
| Sample Interface | Passive air sampling via integrated collector electrode |
| Compliance | Designed per IEC 61000-4-2 ESD immunity guidelines for handheld electrostatic sensors |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DLY-5G |
| Price Range | USD 2,800 – 7,000 |
| Detection Range | 10–1.999×10⁹ ions/cm³ |
| Resolution | 10 ions/cm³ |
| Ion Mobility | 0.15 cm²/V·s |
| Sampling Airflow Velocity | 180 cm/s |
| Response Time Constant | ~15 s |
| Accuracy | ±10% for ion concentration and mobility |
| Power Supply | DC 12 V (rechargeable Li-ion battery) or AC 220 V |
| Operating Environment | −0 °C to +40 °C, ≤90% RH (short-term operation permitted >90% RH) |
| Compliance | GB/T 18809–2002 |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DLY-6E |
| Price Range | USD 1–700 (FOB) |
| Detection Range | 10–399,900 ions/cm³ |
| Minimum Resolution | 10 ions/cm³ |
| Ion Mobility | 0.4 cm²/(V·s) |
| Power Supply | Rechargeable sealed lead-acid battery (220 V AC or 12 V DC automotive charging compatible) |
| Housing | Anodized aluminum alloy chassis |
| Display | Backlit LCD showing real-time ion concentration (ions/cm³) |
| Calibration Standard | Traceable to GB/T 18809–2002 and aligned with ISO 8503-2 (Air Ion Measurement — Parallel-Plate Collector Method) |
| Operating Environment | −10 °C to +50 °C, ≤90% RH (non-condensing) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | DLY-2G |
| Pricing | Available Upon Request |
| Ion Concentration Range | 10–1.999×10⁹ ions/cm³ |
| Resolution | 10 ions/cm³ |
| Ion Mobility Ranges | 0.15, 0.04, and 0.004 cm²/V·s (3 selectable ranges) |
| Air Sampling Velocity | 180 cm/s or 35 cm/s |
| Response Time Constant | ~15 s |
| Accuracy | ±10% for ion concentration and ion mobility |
| Power Supply | DC 14.4 V (rechargeable sealed battery), AC 220 V / 110 V (optional) |
| Operating Environment | −0 to +40 °C, ≤90% RH (short-term operation permitted above 90% RH) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | DLY-3G |
| Price Range | USD 2,800 – 7,000 |
| Ion Concentration Range | 10–1.999×10⁹ ions/cm³ |
| Resolution | 10 ions/cm³ |
| Ion Mobility Ranges | 1.0 / 0.4 / 0.15 cm²/V·s (3-range selectable) |
| Sampling Air Velocity | 180 cm/s |
| Response Time Constant | ~15 s |
| Accuracy | ±10% (ion concentration & mobility) |
| Power Supply | DC 12 V or AC 220 V |
| Operating Environment | −0 to +40 °C, ≤90% RH |
| Compliance | GB/T 18809–2002 |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | DLY-6A1 |
| Price Range | USD 700–1,400 |
| Measurement Range | 1–1.5×10⁶ ions/cm³ |
| Polarity Detection | Positive and/or Negative Ions |
| Resolution | 2 ions/cm³ |
| Measurement Cycle | 60 seconds |
| Selectable Modes | Negative Ion Only / Positive Ion Only / Dual Polarity (Simultaneous ±) |
| Ion Mobility | 0.4 cm²/(V·s) |
| Dimensions | 15 × 9 × 4.5 cm |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | DLY-6A3 |
| Price Range | USD 1,400 – 2,800 |
| Ion Measurement Range | 1–1.5×10⁶ ions/cm³ |
| Polarity | Positive or Negative |
| Resolution | 2 ions/cm³ |
| Measurement Cycle | 60 seconds |
| Mobility | 0.4 cm²/(V·s) |
| PM2.5 Detection | Integrated optical scattering sensor |
| Data Interface | USB-to-Serial (CP210x chipset) |
| PC Compatibility | Windows XP/7/8/10 |
| Software | KT.exe with real-time plotting, parameter configuration, and dual-mode data logging (instant/average) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | DLY-4G-232 |
| Pricing | Available Upon Request |
| Ion Concentration Range | 10–1.999×10⁹ ions/cm³ |
| Resolution | 1 ion/cm³ |
| Ion Mobility Ranges | 1.0 / 0.4 / 0.15 cm²/(V·s) (3-step selectable) |
| Sampling Air Velocity | 180 cm/s |
| Response Time Constant | ≈15 s |
| Accuracy | ±10% for ion concentration and mobility |
| Interface | RS-232 serial port |
| Power Supply | DC 14.4 V or AC 220 V / 110 V (configurable) |
| Operating Environment | −0 to +40 °C, ≤99 % RH |
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