Advanced Multi-Parameter Water Quality Monitoring Device – GAOTek
Portable water quality analyzer measuring DO, pH, EC, salinity, and turbidity with high accuracy, MODBUS support, and rechargeable lithium battery.
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 |
