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| Brand | Lanjing |
|---|---|
| Model | LJ-201 |
| Measurement Principle | Salicylate Spectrophotometry |
| Measurement Ranges | (0–5), (0–10), (0–25), (0–50), (0–125), (0–250) mg/L NH₃–N |
| Zero Drift | ±0.02 mg/L |
| Span Drift | ±1.0% F.S. |
| Accuracy | ±8.0% at 20% F.S., ±5.0% at 50% F.S., ±3.0% at 80% F.S. |
| Limit of Quantitation | 0.15 mg/L |
| Repeatability | ≤2.0% |
| Cycle Time | ≤60 min |
| MTBF | ≥720 h |
| Insulation Resistance | >20 MΩ |
| Output Interfaces | RS232 / RS485, 4–20 mA analog |
| Dimensions | 500 × 440 × 1440 mm (L×W×H) |
| Weight | 55 kg |
| Display | 7-inch color touch screen |
| Control System | Industrial PLC |
| Operating Temperature | 5–35 °C |
| Operating Humidity | 20–85% RH |
| Power Supply | AC 220 V ±25 V, 50 Hz ±0.5 Hz |
| Rated Power | 100 W |
| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LJ-PF1000 |
| CO₂ Range | 0–2000 ppm (customizable) |
| CH₄ Range | 0–100 ppm (customizable) |
| H₂O Range | 0–6% |
| CO₂ Precision | ±0.1 ppm @ 1 Hz |
| CH₄ Precision | ±10 ppb @ 1 Hz |
| H₂O Accuracy | ±1.5% of reading |
| Temperature Accuracy | ±0.1 °C (20–60 °C) |
| Sampling Flow Rate | 1 L/min (adjustable) |
| Chamber Dimensions | Ø220 mm × 120 mm H |
| Chamber Volume | 3140 cm³ |
| Battery Life | 8 hours (Li-ion) |
| Operating Temp. | −30 to +60 °C |
| Operating Humidity | <99% RH (non-condensing) |
| Weight | <10 kg |
| Data Output | Real-time flux & respiration rate calculation |
| Connectivity | Wi-Fi, BeiDou/GPS dual-mode (optional) |
| Expandability | 预留RS485, analog, and digital I/O ports for optional sensors (PAR, soil T/RH, anemometer, 4G telemetry) |
| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | LJ-TZMn |
| Instrument Type | Benchtop Laboratory Analyzer |
| Detection Principle | Photometric Method (Formaldehyde Oxime & Potassium Periodate) |
| Target Analyte | Total Manganese (Mn) |
| Detection Range | 0–5 mg/L |
| Detection Limit | 0.1 mg/L |
| Accuracy | ≤ ±5% FS |
| Stability | < 0.5% (20 min) |
| Repeatability | < 0.5% RSD |
| Optical Drift | ≤ 0.002 A in 20 min |
| Light Source | Imported High-Brightness LED with Auto-Calibration |
| Cuvette Compatibility | 10 mm, 30 mm, 50 mm rectangular cuvettes & φ16 mm round tubes |
| Display | 8-inch TFT-LCD Touchscreen (1024 × 768) |
| OS | Android 7.1.1 |
| Data Storage | 8 million records |
| Connectivity | Wi-Fi, RJ45, Bluetooth, Mobile Hotspot, USB 2.0, HDMI |
| Cloud Platform | Integrated Regulatory Compliance Cloud (LAN/WAN upload |
| Printer | Built-in Thermal Line Printer (QR code supported) |
| Power Supply | AC 220 V ±10%, 50 Hz / Optional 6 Ah Li-ion Battery |
| Dimensions | 367 × 243 × 125 mm |
| Weight | 5.3 kg |
| Operating Environment | 5–40 °C, RH < 85% (non-condensing) |
| Rated Power | 10 W |
| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | LJ-ZGSG |
| Instrument Type | Online Analyzer |
| Measurement Ranges | 0–30 ppb, 0–500 ppb, 0–5000 ppb |
| Accuracy | ±1% F.S. |
| Repeatability | ±1% F.S. |
| Drift | ≤±1% F.S. / 24 h |
| Response Time | 12 min (initial) |
| Sampling Cycle | ~10 min per channel |
| Sample Flow Rate | >100 mL/min |
| Sample Temperature | 10–45 °C |
| Sample Pressure | 10–100 kPa |
| Ambient Temperature | 5–45 °C |
| Relative Humidity | <85% RH |
| Reagent Consumption | ~3 L/month per reagent (3 reagents total) |
| Output | 4–20 mA (configurable, per-channel independent) |
| Alarm Output | Relay NO contact (220 VAC / 1 A) |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Power Consumption | ≈50 VA |
| Dimensions (H×W×D) | 720 × 460 × 300 mm |
| Panel Cutout | 665 × 405 mm |
| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | LJ-DCY |
| Price | USD 5,000 (FOB Qingdao) |
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