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| Brand | Tianyan |
|---|---|
| Model | TY-T80X |
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Display | 3.5" TFT color LCD (800×480 resolution) |
| Power Supply | DC 8.4 V rechargeable lithium battery (10 h continuous operation) |
| Dimensions | 260 × 260 × 130 mm |
| Weight | 3.25 kg (main unit) |
| CO₂ Measurement | Dual-wavelength NDIR sensor, 0–5000 ppm range, 0.1 ppm resolution, ±3 ppm accuracy, temperature-compensated |
| Temperature Sensor | German Heraeus digital probe, –20 to +80 °C, 0.1 °C resolution, ±0.2 °C error |
| Relative Humidity Sensor | Swiss进口 digital sensor, 0–85 %RH, 0.1 %RH resolution, ≤1 %RH error |
| PAR Sensor | Calibrated silicon photodiode with optical filter (400–700 nm), 0–3000 µmol·m⁻²·s⁻¹, <1 µmol·m⁻²·s⁻¹ accuracy |
| Flow Control | Glass rotameter (0–1.5 L/min, ±1 % full scale |
| Chamber | Standard cylindrical chamber (Ø110 mm × 200 mm height) |
| Operating Environment | –20 to +60 °C, 0–85 %RH (non-condensing) |
| Data Storage | Internal 16 GB flash memory (expandable to 32 GB) |
| Data Interface | USB 2.0 for direct PC export |
| Optional Add-ons | Soil moisture & temperature probes |
| Brand | Tianyan (Shandong Tianyan Instrument Co., Ltd.) |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Manufacture | China |
| Model | TY-ZSD |
| Detection Principles | Colorimetric Spectrophotometry (Visible Range, 400–700 nm) |
| Measurement Method | Digestion + Reagent-Based Chromogenic Reaction + Absorbance Quantification per Lambert-Beer Law |
| Supported Elements | Pb, As, Cr(VI), Cd, Hg, Ni, Al, F, Ti, Se, Fe, Zn, Mn, Cu |
| Optical Accuracy | ±0.5% Transmittance |
| Repeatability | ≤±0.05% |
| Drift Stability | <0.001 AU/30 min (after 5-min warm-up) |
| Linearity Error | ≤0.2% (verified with CuSO₄ standard) |
| Power Consumption | ≤5 W |
| Input Power | AC 220 V / 50 Hz or DC 12 V |
| Output | Built-in thermal printer (auto-printing of results) |
| Sample Throughput | ~8–12 samples/hour (including digestion prep) |
| Compliance Standards | GB/T 5009.11–2003, GB/T 5009.12–2003, GB/T 5009.15–2003, GB/T 5009.17–2003, GB/T 5009.123–2003 |
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