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| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | LJ-LS5+ |
| Price | USD 1,200 (FOB) |
| Measurement Range | 0.1–30 m/s |
| Accuracy | ±3% FS or ±0.01 m/s (whichever is greater) |
| Radar Frequency | 24 GHz |
| Beam Angle | 24° × 12° (elevation × azimuth) |
| Transmit Power | 18 dBm (63 mW peak), nominal 10 mW average |
| Max Measurement Distance | ≤100 m |
| Operating Temperature | −30 °C to +70 °C |
| Storage Temperature | −30 °C to +70 °C |
| Relative Humidity | 20–80% RH |
| Ingress Protection | IP67 |
| Battery Capacity | 3600 mAh Li-ion |
| Continuous Operation | >10 h |
| Data Storage | 10,000 records |
| Display | 3.5″ capacitive touchscreen |
| Interface | USB Type-A for USB flash drive data export |
| Built-in Tilt Sensor | Automatic horizontal & vertical angle compensation |
| Housing Material | ABS resin enclosure with aluminum frame |
| Weight | <1 kg |
| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Origin Category | Domestic (China) |
| Model | LJ-DJ1S |
| Price | USD 850 (FOB Qingdao) |
| Measurement Principle | Dual-Beam UV254 Absorption + Nephelometric Turbidity |
| COD Range | 0–500 mg/L (customizable to 0–200 mg/L) |
| COD Resolution | 0.1 mg/L |
| COD Accuracy | ±5% of reading |
| Turbidity Range | 0–400 NTU (customizable to 0–200 NTU) |
| Turbidity Resolution | 0.1 NTU |
| Temperature Range | 0–50 °C |
| Temp. Accuracy | ±0.3 °C |
| Temp. Compensation | Automatic |
| Auto-Cleaning | Integrated mechanical wiper with programmable cycle control |
| Power Supply | DC 12–24 V |
| Power Consumption | 0.7 W |
| Output | RS-485 (Modbus RTU protocol) |
| Enclosure Material | ABS housing + 316L stainless steel wetted parts |
| Protection Rating | IP68 |
| Installation | Submersible, 3/4" NPT thread |
| Cable Length | 5 m (5-conductor shielded) |
| Storage Temperature | −5 to +65 °C |
| Calibration | Two-point (zero & span) for both COD and turbidity channels |
| Dimensions | See technical drawing (L×W×H: 185 × 62 × 62 mm) |
| Compliance | Designed per ISO 7027 (turbidity), ASTM D5540 & EPA 415.3 (UV254-based organic carbon estimation), CE-marked for EMC and LVD |
| Brand | Lanjing |
|---|---|
| Model | LJ-SX128 |
| Channels | 128 |
| Sensor Type | MEMS Digital Microphone Array |
| Dynamic Range | 30 dB to 120 dB |
| Frequency Range | 2 kHz – 48 kHz |
| Measurement Distance | 0.5 m – 50 m |
| Operating Temperature | −20 °C to +55 °C |
| IP Rating | IP51 |
| Display | 5″ Capacitive Touch LCD (800 × 480) |
| Imaging & Video Frame Rate | 25 FPS |
| Built-in Storage | 64 GB |
| Battery | Internal Li-ion (7.4 V, 3500 mAh |
| Weight | <1 kg |
| Dimensions | 314 mm × 167 mm × 89.9 mm |
| Data Interface | USB, Wi-Fi |
| Self-Diagnostic Microphone Array | Yes |
| Data Logging & Traceability | Yes |
| Infrared Imaging | No |
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