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| Brand | Tianhong |
|---|---|
| Model | TH-2000PM |
| Measurement Principle | Beta-ray attenuation (¹⁴C source) |
| Particle Size Cuts | TSP, PM₁₀, PM₂.₅, PM₁ |
| Operating Temperature | -30 °C to 50 °C |
| Relative Humidity Range | 0–90% RH (non-condensing) |
| Flow Control | PID-regulated mass flow controller with digital sensor |
| Data Storage | ≥1 year of 1-minute resolution data (internal flash + USB export) |
| Display | 7-inch capacitive touch screen (Chinese UI) |
| Communication Interfaces | RS-232, RS-485, 10/100 Mbps Ethernet, 4–20 mA analog output |
| Radiation Source | ¹⁴C (half-life: 5730 years |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Enclosure Rating | IP54 |
| Compliance | Meets technical requirements of HJ 653–2013 (China), compatible with GB/T 15432–1995 and ISO 10473:2000 for gravimetric equivalence validation |
| Brand | Tianhong |
|---|---|
| Origin | Hebei, China |
| Model | TH-16Ea |
| Sampling Flow Rate | 16.67 L/min (constant flow) |
| Flow Range for Mass Concentration Measurement | 0–1000 µg/m³ |
| Filter Capacity | 16 filters per unattended cycle |
| Compliance | Designed for ISO 7708, EN 12341, EPA Method IO-3.3, and GB/T 37186–2018 compliant PM10/PM2.5 monitoring |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Operating Environment | −30 °C to +50 °C, IP55 rated enclosure |
| Data Storage | Internal flash memory ≥3 years (timestamped, audit-trail enabled) |
| Communication | USB 2.0 host port, optional GPRS module (LTE-M/NB-IoT compatible), optional analog/digital I/O for wind speed/direction sensors |
| NFC Interface | ISO/IEC 14443-A compliant embedded tag in filter holder |
| Brand | Tianhong |
|---|---|
| Model | TH-3150 |
| Origin | Hubei, China |
| Flow Range | 0.1–1.0 L/min |
| Maximum Vacuum Pressure | 30,000 Pa |
| Flow Stability | ≤5 % |
| Maximum Flow Error | ±0.5 % |
| Continuous Operation Time at Max Flow & Load | 10 h |
| Rated Service Life at Max Flow & Load | 6,000 h |
| Brand | Tianhong |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | TH-GDA |
| Price Range | USD 7,000–14,000 (typical configuration includes PM2.5 sampler) |
| Flow Rate Range | 16.4–17.0 L/min |
| Vacuum Pressure | >50 Pa |
| Flow Stability | 16.7 L/min |
| Maximum Flow Error | ±0.1 L/min |
| Continuous Operation Duration at Max Flow & Backpressure | 24 hrs |
| Rated Service Life at Max Flow & Backpressure | ≥50,000 hrs |
| Brand | Tianhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-16E |
| Flow Rate | 16.67 L/min |
| Maximum Vacuum Pressure | >20,000 Pa |
| Flow Stability | ≤ ±1% |
| Maximum Flow Error | ≤ ±1% |
| Operating Duration at Max Flow & Load | 2–8 h |
| Motor Service Life at Max Flow & Load | ≥ 50,000 h |
| Compliance | HJ 93–2013, HJ/T 374–2007, HJ 618–2011, Q/WTH 03–2014 |
| Filter Capacity | 16 positions |
| Display | 7-inch capacitive touchscreen (Chinese UI) |
| Data Interface | USB 2.0 |
| Power Recovery | Automatic resume with blackout timestamp logging |
| Remote Monitoring | Ethernet/4G-enabled status and parameter query |
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