Tianqiong Sensor IOT Technology Co., Ltd
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Dissolved oxygen meter
Model：FT-SS8
Brand：tianqiong
Dissolved oxygen meter is used to measure the amount of oxygen dissolved in aqueous solution and is widely used in wastewater, surface water and aquaculture.
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1.Dissolved oxygen meter product introduction
Dissolved oxygen meter is used to measure the amount of oxygen dissolved in aqueous solution and is widely used in wastewater, surface water and aquaculture.SS8 model Dissolved oxygen meter is an electrode method water quality analysis instrument that uses full digital electrode detection to detect dissolved oxygen parameters.The instrument is equipped with a self-developed FTIOT operating system, which has simple operation, stable performance, accurate measurement, wide detection range, and has a built-in high-capacity rechargeable lithium battery, which is convenient for users to conduct water quality inspection at any time in the field and in the laboratory.
2.Dissolved oxygen meter host parameters
| Charging input voltage | 4.5V-5.5V |
| Charging current | ＜2A |
| Screen size | 3.5 inches |
| Screen resolution | 480*800☆ |
| Screen interface | MIPI DSI☆ |
| USB port | 2 (Support external expansion of mouse, keyboard, 4G, etc.)☆ |
| Type-C | 1 (Support external expansion of mouse, keyboard, 4G, etc.)☆ |
| RS485 | 2 (Support Modbus, json, asc input, etc.) |
| External sensor power supply voltage | 12V |
| External sensor power supply current | 1A |
| operating system | ftiot (based on Linux-5.4)☆ |
| CPU | 2*Cotex-A7, 650Mhz☆ |
| RAM | 512M DDR3☆ |
| Flash | 8G-64G |
| OpenGL | ES 2.0☆ |
| Wifi | support |
| 4G | Selection |
| button | support |
| Capacitive touch screen | support |
| Software Architecture | B/S☆ |
| Web access | Support ☆ |
| MTP mode | Support ☆ |
| Multi-terminal login | Support ☆ |
| IPV6 | Support ☆ |
| Sensor communication method | RS485, TCP, UDP, Http☆ |
| Data forwarding method | RS485, TCP, UDP, Http☆ |
| Remote SSH | Support ☆ |
| Remote debugging | Support ☆ |
3.Dissolved oxygen meter sensor parameters and configuration
| Serial number | name | Measurement range | principle | Measurement accuracy | Configuration | Remark |
| 1 | temperature | 0~50℃ | High-precision digital sensor | ±0.3℃ | ||
| 2 | pH | 0~14 (ph) | Electrochemistry (salt bridge) | ±0.1PH | ||
| 3 | ORP | -1500mv~1500mv | Electrochemistry (salt bridge) | ±6mv | ||
| 4 | Conductivity | 0~5000uS/cm, 0~10000uS/cm | Contact electrode method | ±1.5% | ||
| 5 | TDS | 0～20μS/cm (TDS 0-10mg/L) | Contact electrode method | ±1.5% | ||
| 6 | salinity | 0-2.5ppt or 0-80ppt | Contact electrode method | ±0.05ppt or ±1ppt | ||
| 7 | Sludge concentration | 0～20.000g/L | Scattering light method | ±5% (depending on sludge homogeneity) | ||
| 8 | Turbidity | 0~40NTU (low turbidity) | Scattering light method | ±1% | Optional | |
| 0~1000NTU (medium turbidity) | Scattering light method | ±1% | ||||
| 0~3000NTU (high turbidity) | Scattering light method | ±1% | ||||
| 9 | Dissolved oxygen | 0~20mg/L | Fluorescence life method | ±2% | ✔ | |
| 10 | Ammonia nitrogen | 0~100mg/l | Ion Selection Electrode Method | ±1mg | ||
| 11 | Suspension | 0~2000mg/L | Scattering light method | ±5% (depending on sludge homogeneity) | ||
| 12 | Residual chlorine | 0~5.00mg/L | Ion Selection Electrode Method | ±5% of reading | The best accuracy is when the flow rate is 0.42m/s-0.85m/s | |
| 13 | Chloride ions | 0-3500.0mg/L | Ion Selection Electrode Method | ±5% | ||
| 14 | Total hardness | 0～1000.0mg/L | Ion Selection Electrode Method | ±10% of reading | ||
| 15 | cod | 0~500mg/L | UV254 absorption method | ±5% | COD and chlorophyll have automatic cleaners, which can prevent biological adhesion and avoid light window pollution, so as to ensure that long-term monitoring is still stable; automatic cleaning time and cleaning times can be set, and the power consumption is 0.7W | |
| 16 | Chlorophyll | 0~400ug/L | Fluorescence method | R2>0.999 |
Address:https://www.tianqiongsensor.com/Portable-Water-Quality-Monitor/Dissolved-oxygen-meter.html
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