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| Brand | Tianhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-7000 |
| Compliance | GB 18483–2001, Q/WTH 30–2017 |
| Measurement Principle | Laser Light Scattering (for oil fume particulate mass concentration), Electrochemical Sensing (for Non-Methane Hydrocarbons, NMHC) |
| Display | 7-inch Color TFT Touchscreen (Chinese UI) |
| Data Storage | Up to 45,000 records |
| Communication Interfaces | RS232, RS485, Ethernet, GPRS/DTU |
| Environmental Operating Range | 0–40 °C with Internal Thermostatic Control |
| Explosion-Proof Enclosure | IP65-rated Industrial Housing |
| Flow Measurement | Integrated S-type Pitot Tube (factory-calibrated in proprietary wind tunnel) |
| Sensor Lifetime | >2 years (typical field service life under routine maintenance) |
| Power Input | AC 220 V ±10%, 50 Hz |
| Dimensions | 420 × 320 × 180 mm |
| Weight | ~8.5 kg |
| Brand | Tianhong |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | TH-502 |
| Price Range | USD 3,500 – 5,600 |
| Measurement Principle | Split-stream opacimetric (non-transmissivity) optical method |
| Operating Temperature | 80 ± 1 °C (measurement chamber) |
| Power Supply | Rechargeable Li-ion battery (≥8 h continuous operation) |
| Data Interface | Bluetooth 4.0 (host-to-mobile), optional GPRS module |
| Output Units | Opacity (%) and Light Absorption Coefficient (k, m⁻¹) |
| Compliance Standards | GB 3847–2018, GB 36886–2018, HJ/T 395–2007 |
| Calibration | Auto-zero and auto-span via single-button initiation |
| Sample Interface | Direct exhaust coupling via probe and flexible sampling line |
| Display & Storage | Real-time visualization and logging via Android/iOS app |
| Printing | Bluetooth thermal printer support |
| Environmental Protection | Dual air curtain optical protection system |
| Warm-up Time | ≤5 min to operational temperature |
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