Advanced Multi-Parameter Water Quality Monitoring Device – GAOTek

Description Overview This advanced multi-parameter water quality monitoring device provides accurate and reliable measurement of dissolved oxygen, pH, conductivity, salinity, and turbidity. With wide measurement ranges and fine accuracy, it is suitable for laboratory testing, aquaculture, industrial monitoring, and environmental studies. The analyzer features a rechargeable lithium battery with adapter, extendable 5-meter sensor cable, and RS-485 interface supporting MODBUS protocol for easy integration. Built with a durable polymer plastic housing, it is designed to withstand demanding field conditions. Its quick response time, multi-point calibration, and internal data logging enhance usability. Compact and versatile, this device ensures consistent water quality assessment across diverse applications.   Features Measures DO, pH, EC, salinity, and turbidity Wide measurement ranges with high accuracy Fast response time under 10 seconds Multi-point calibration for precise results Rechargeable lithium battery with adapter Extendable 5-meter cable for flexibility RS-485 interface with MODBUS protocol support Durable polymer plastic housing with IP65 protection Data logging with time stamped records Suitable for laboratory, field, and industrial monitoring   Technical Specification Measurement Range (DO) 0–20 mg/L or 0–200% saturation Measurement Range (pH) 0–14 pH Measurement Range (CT/EC) 0–500 mS/cm Measurement Range (SAL) 0–500.00 ppt Measurement Range (TUR) 0–3000 NTU Accuracy (DO) ±1–3% Accuracy (pH) ±0.02 Accuracy (CT/EC) 0–9999 μS/cm; 10.00–70.00 mS/cm Accuracy (SAL) <1.5% F.S. or 1% of reading (whichever is smaller) Accuracy (TUR) <±10% of measured value or 0.3 NTU (whichever is greater) Power Supply (Sensors) DC 12–24 V Power Supply (Analyzer) Rechargeable lithium battery with 220 V to DC charging adapter Housing Material Polymer plastic Instrument Dimensions 220 × 120 × 100 mm Cable Length 5 m (extendable on request) Communication Interface RS-485, MODBUS protocol Display Type High-contrast digital LCD/TFT screen Calibration Method Multi-point calibration for DO, pH, and conductivity Response Time <10 seconds for stable readings Ingress Protection IP65 splash-resistant housing Data Logging Capability Internal storage with timestamped measurement records Battery Life Up to 12 hours continuous operation per charge Electrode Type Replaceable sensor electrodes User Interface Menu-driven interface with soft-key controls Vibration Resistance Withstands 5–200 Hz mechanical vibration Application Suitability Suitable for laboratory, aquaculture, industrial, and environmental monitoring Compliance Standard CE, RoHS certified