Product Overview:
The fluoride online monitor employs the national standard method for determining fluoride in water—the fluoride reagent spectrophotometric method. This instrument is primarily used for monitoring surface water, groundwater, and industrial wastewater, with a key focus on monitoring drinking, surface, and groundwater in areas with high incidence of dental caries and skeletal fluorosis. The analyzer can operate automatically and continuously without long-term manual intervention based on field settings. It is widely applicable in scenarios such as industrial pollution source discharge wastewater and industrial process wastewater. Depending on the complexity of the on-site testing conditions, a corresponding pre-treatment system can be optionally configured to ensure reliable testing processes and accurate results, fully meeting the needs of various field applications.
Product Principle:
In an acetate buffer medium at pH 4.1, fluoride ions react with fluoride reagent and lanthanum nitrate to form a blue ternary complex. The intensity of the color is proportional to the fluoride ion concentration, allowing for quantitative determination of fluoride (F-) at a wavelength of 620 nm.
Technical Parameters:
| No. | Specification Name | Technical Specification Parameter |
| 1 | Test Method | Fluoride Reagent Spectrophotometry |
| 2 | Measuring Range | 0~20mg/L (Segment measurement, expandable) |
| 3 | Lower Detection Limit | 0.05 |
| 4 | Resolution | 0.001 |
| 5 | Accuracy | ±10% or ±0.1mg/L (whichever is greater) |
| 6 | Repeatability | 10% or 0.1mg/L (whichever is greater) |
| 7 | Zero Drift | ±0.05mg/L |
| 8 | Span Drift | ±10% |
| 9 | Measurement Cycle | Less than 40min |
| 10 | Sampling Cycle | Time interval (adjustable), on-the-hour, or triggered
measurement mode,configurable |
| 11 | Calibration Cycle | Automatic calibration (1~99 days adjustable); Manual calibration
configurable based on actual water sample |
| 12 | Maintenance Cycle | Maintenance interval >1 month; each session approx. 30min |
| 13 | Human-Machine Operation | Touchscreen display and command input |
| 14 | Self-check & Protection | Self-diagnosis of instrument status; data retention
after abnormality or power failure; automatic clearing of residual reactants and resumption of operation after abnormal reset or power restoration |
| 15 | Data Storage | 5-year data storage capacity |
| 16 | Input Interface | Digital input (Switch) |
| 17 | Output Interface | 1x RS232 output, 1x RS485 output, 2x 4~20mA analog outputs |
| 18 | Operating Environment | Indoor use; recommended temperature 5~28°C;
humidity ≤90% (non-condensing) |
| 19 | Power Supply | AC220±10% V |
| 20 | Frequency | 50±0.5 Hz |
| 21 | Power Consumption | ≤150W (excluding sampling pump) |
| 22 | Dimensions | 520mm (H) x 370mm (W) x 265mm (D) |
