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| Brand | GENESITE |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SJ-D80 NH₃-N |
| Instrument Type | Portable |
| Measurement Principle | Nessler Reagent Colorimetry (per HJ 535–2009) |
| Measurement Range | 0–150 mg/L NH₃-N |
| Accuracy | ±5% FS |
| Measurement Time | ≤10 min per sample |
| Sample Throughput | 1 sample per run |
| Display | 3.5″ TFT color touchscreen (320×480 px) |
| Optical Resolution | 0.001 Abs |
| Photometric Stability | ±0.003 Abs/30 min |
| Power Supply | 4 × AA alkaline batteries or 220 V AC adapter |
| Dimensions (L×W×H) | 192 × 96 × 103 mm |
| Weight | 0.5 kg (instrument only) |
| Data Export | SD card (FAT32 formatted, up to 32 GB) |
| Calibration Options | Built-in standard curve library + user-defined curve generation |
| Brand | GENESITE |
|---|---|
| Origin | Henan, China |
| Manufacturer Type | OEM/ODM Producer |
| Product Type | Domestic |
| Model | GNST-227FP |
| Instrument Category | Online Real-time Monitoring System |
| Operating Temperature Range | 0–50 °C |
| pH Range | 0–14 pH |
| Dissolved Oxygen (DO) Range | 0–20 mg/L |
| Conductivity Ranges | 0–5000 µS/cm and 0–200 mS/cm |
| Turbidity Ranges | 0–100 NTU and 0–1000 NTU |
| Power Supply | 12 VDC Li-ion battery (60 Ah), 12 V/80 W solar panel |
| Buoy Dimensions | 550 mm × 550 mm × 1200 mm |
| Weight | 20 kg |
| Buoyancy Capacity | 40 L |
| Peak Power Consumption | 10 W |
| Sensor Power Consumption | 0.2 W per unit |
| Communication Interface | RS-485 (Modbus RTU protocol) |
| Wireless Transmission | Cellular (LTE-M/NB-IoT) + optional LoRaWAN |
| Video Module | 1080P IP camera with 355° pan-tilt rotation |
| GPS Positioning | Integrated |
| Enclosure Material | SUS304 stainless steel filtration housing |
| Environmental Protection | IP68-rated sensor housing, marine-grade corrosion resistance |
| Relay Outputs | 8 independent programmable relays |
| Remote Control Capability | Sensor activation/deactivation, camera control, scheduled cycling, firmware OTA updates |
| Cloud Platform | Web-based dashboard with multi-user role management |
| Mobile Access | iOS/Android native app with real-time alerts and historical trend visualization |
| Battery Autonomy | ≥15 days under intermittent operation during overcast/rainy conditions |
| Compliance | Designed to meet ISO 5667-16 (water quality sampling—field instrumentation), ASTM D888 (dissolved oxygen measurement), and IEC 60529 (IP rating) standards |
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