Coarse Fine Particle Dual Channel Sampler
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| Brand | Senbe |
|---|---|
| Model | SEN905 |
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Localization | Domestic (China) |
| Network Support | China Mobile / China Telecom / China Unicom 2G/3G/4G LTE |
| GNSS Modes | DGNSS (<0.5 m), RTK (5 cm + 1 ppm) |
| Differential Formats | RTCM 3.0, RTCM 3.2 (vs. legacy RTD) |
| Display | 8-inch electromagnetic resonance touchscreen (U-Pen compatible) |
| Interface | USB Type-C (10,000-cycle durability) |
| Battery | Removable 8400 mAh Li-polymer |
| Operating System | Android 6.0.1 |
| Charging | Qualcomm Quick Charge 2.0 |
| Compliance | CE (EMC/LVD), RoHS, IP65-rated enclosure |
| Software Architecture | Field-deployable logging firmware with remote command ingestion and bidirectional telemetry |
| Brand | SKC |
|---|---|
| Origin | USA |
| Model | IMPACT |
| Flow Rate | 10 L/min |
| Cut-Point Options | 2.5 µm (PM₂.₅) or 10 µm (PM₁₀) |
| Impactor Stage | Single-stage inertial impactor |
| Collection Media | 37 mm pre-oiled porous plastic impaction disc + 47 mm filter (quartz/PTFE) |
| Dimensions | 7 cm (D) × 5 cm (H) × 10 cm (L) |
| Weight | 0.23 kg |
| Material | Anodized aluminum inlet with brass barbed fitting for 3/8" ID tubing |
| Patented Design | US Patent No. 7,334,453 |
| Brand | SKC |
|---|---|
| Origin | USA |
| Model | PMI |
| Flow Rate | 3 L/min |
| Cut-Point Options | 2.5 µm (PM₂.₅), 10 µm (PM₁₀), or 2.5–10 µm (PM Coarse) |
| Housing Material | Precision-machined aluminum (inlet), PVC (exhaust), Delrin® filter cassette with stainless steel support mesh |
| Impactor Substrate | 25 mm pre-oiled porous plastic disc (disposable, reduces particle bounce) or optional 25 mm filter for chemical analysis |
| Final Filter | 37 mm diameter, media-dependent (e.g., PVC, PTFE, quartz, Teflon) |
| Dimensions (w/o clamp) | 2 in (5.1 cm) dia × 1 in (2.6 cm) H |
| Weight | 2.5 oz (70.9 g) |
| Inlet Tubing ID | 1/4 in |
| Patented Design | US Patent No. 7,334,453 |
| Compliance | EPA-defined PM₂.₅ and PM₁₀ size-selective sampling per 40 CFR Part 53 and ISO 7708 |
| Brand | Tianhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-110H |
| Display | 4.3-inch high-brightness capacitive touchscreen |
| Interface | Full Chinese GUI with on-screen operation prompts |
| Pump | Imported brushless DC vacuum pump |
| Noise Level | <60 dB(A) |
| Flow Control | Dual-channel mass flow meter with automatic real-time tracking |
| Flow Range | 0.1–1.0 L/min per channel (adjustable in 1 mL/min increments) |
| Flow Accuracy | ±2% of full scale |
| Temperature Measurement | Integrated ambient and sampling bottle temperature sensors with automatic heating activation below 20°C |
| Pressure Measurement | Built-in barometric pressure sensor |
| Power Supply | AC 220 V ±10%, 50 Hz / Rechargeable Li-ion battery (24 h runtime at 0.2 L/min per channel) |
| Data Storage | ≥50 sampling records per channel, including standard-condition volume, ambient T/P, sampling duration, and user-defined or auto-generated sample IDs |
| Compliance | Designed for compliance with HJ 93-2013, HJ 618-2011, and GB/T 15432-1995 |
| Optional Accessory | Bluetooth thermal printer |