Dalian Yheng Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of portable dissolved oxygen meter in China. Welcome to buy high quality portable dissolved oxygen meter in stock here from our factory. If you have any enquiry about customized service, please feel free to email us.
Key Features:
- Replaceable fluorescence sensing cap (membrane)
- One-button measurement for real-time readings
- Automatic temperature compensation
- Compact, lightweight, and portable for field use
- High stability and strong anti-interference capability (resistant to electromagnetic and chemical interference)
Technical Specifications：
| Parameter | Specification |
| Measurement Principle | Fluorescence Quenching |
| Measurement Range | 0.00 – 20.00 mg/L |
| Resolution | 0.01 mg/L |
| Response Time | T90 ≤ 40 s |
| DO Accuracy | ±0.3 mg/L |
| Temperature Accuracy | ±0.5 °C |
| Calibration | One-point or Two-point |
| Protection Rating | IP68 (probe) |
| Power Supply | Rechargeable Lithium Battery |
| Communication | RS485, MODBUS Protocol, 9600 baud |
| Data Storage | Supported |
| Operating Temperature | -20 ~ 50 °C |
| Housing Material | 316 Stainless Steel |
| Cable Length | 3 m (customizable) |
| Main Unit Size | 164 × 75 × 17 mm |
Safety Instructions：
- Do not disassemble or repair the instrument without authorization
- Do not expose cables or connectors to water or corrosive environments
- Do not use the device if the power cable is damaged
- Do not operate in flammable or explosive environments
- Do not use the instrument if physical damage is observed
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