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| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | SJG-705 |
| Price Range | USD 7,000 – 14,000 |
| Display | 7-inch color TFT touchscreen (Chinese UI) |
| Communication Interfaces | RS-232 OR RS-485 OR Ethernet (user-selectable) |
| Measurement Modes | Continuous & programmable interval logging |
| Data Storage | Internal non-volatile memory supporting >100,000 records |
| Optional | Automated cleaning module for sensors and flow cell |
| Parameters Supported | pH, ORP, Conductivity/TDS, Dissolved Oxygen (DO), Turbidity (NTU), Temperature |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | SJG-702 |
| Price | USD 14,000 (FOB Shanghai) |
| Measurement Principles | pH & Conductivity & TDS — Electrode-based |
| Calibration | Built-in Standard Curves + Manual Calibration Support |
| Compliance | CE, RoHS |
| Sensor Types | PH-2-173 (pH), DJS-2-141 (Conductivity), TGF-2-005 (Turbidity), DCS4.2MA2/DCS4MA5 (Free Chlorine), DCP4.0MA2/DCP4.0MA5 (Total Chlorine), DCD4.2MA2/DCD4.2MA5 (Chlorine Dioxide) |
| Display | Color TFT Touchscreen |
| Power Supply | AC 220 V ±10%, 50 Hz (Optional Solar DC Input) |
| Communication | RS-232 / RS-485 Serial Interface, Optional Wireless GPRS/4G Module |
| Operating Environment | 0–40 °C, ≤90% RH |
| Dimensions (W×D×H) | 730 × 520 × 330 mm |
| Weight | 20 kg |
| Auto-cleaning | Integrated Brush + Bubble-removal Cell + Drain Control for Turbidity Sensor |
| Measurement Modes | Continuous, Intermittent Cycle, Timed, and Manual |
| Alarm | Programmable Upper/Lower Limits with Relay Output |
| Data Logging | Internal Storage + Remote Upload to Central SCADA or Cloud Platform |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | SJG-205 |
| Price | USD 139,800 (FOB Shanghai) |
| Power Options | Shore-based AC, Rechargeable Battery Bank, or Solar Photovoltaic System |
| Communication | LTE-M / NB-IoT / 4G Cellular + Optional LoRaWAN Gateway Integration |
| Weight | ≤ 45 kg (fully configured) |
| Buoy Hull Material | UV-stabilized HDPE with Marine-grade Stainless Steel Mounting Frame |
| Sensor Interface | RS-485 Modbus RTU / SDI-12 / Analog 4–20 mA (configurable per probe) |
| Data Transmission Interval | Adjustable from 1 min to 24 h |
| GPS Accuracy | < 5 m CEP (with GLONASS/Galileo support) |
| Self-Cleaning Mechanism | Brush-based or Ultrasonic (sensor-specific) |
| Remote Calibration Support | Two-point (zero/span) via encrypted OTA command |
| Battery Runtime | Up to 180 days (typical, solar-assisted mode) |
| Compliance | IP68 Submersion Rating, CE EMC Directive 2014/30/EU, RoHS 2011/65/EU, ISO 17025 Traceability (calibration certificate optional) |
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