Ammonia Nitrogen Water Quality Sensor
Category:
Hydrological and Water Environment Monitoring
Qualifications and Honors
Product Description
Product Overview
The ammonia‑nitrogen sensor is a fast‑response device for measuring ammonia‑nitrogen concentrations, based on ion‑selective electrode technology. It employs imported U.S.-made sensors for ammonium, potassium, and pH, ensuring stable and accurate performance. Equipped with advanced measurement and compensation algorithms, the sensor supports automatic potassium‑ion and pH compensation. Its state‑of‑the‑art matrix calibration delivers highly precise calibration results. The sensor features in‑situ measurement, no need for reagents, rapid response, no pre‑treatment required, low power consumption, and minimal maintenance. It is widely applicable to wastewater process control and surface‑water monitoring (including micro‑water stations and buoys).
Product Features
• It features automatic compensation for pH, potassium ion concentration, and temperature. When a single sensor fails, the potassium ion concentration and pH value can be manually set, allowing the sensor to continue operating.
• It employs imported American sensors for chloride, potassium, and pH, ensuring stable and accurate measurements. Each sensor can be replaced independently, offering simple operation and minimal maintenance.
• In-situ measurement, reagent-free, rapid response, no pre‑treatment required, low power consumption, and minimal maintenance. Fast response time enables immediate feedback on water quality.
• A fast‑response temperature sensor promptly measures water‑sample temperature and simultaneously provides temperature compensation to all connected sensors. Its compact design and corrosion‑resistant housing ensure reliable long‑term operation underwater.
• Due to the mutual interference between root ions and potassium ions, the unique matrix‑calibration design enables calibration even under complex interfering conditions.
Technical Specifications
| Project | Parameter |
| Measurement method |
Ion-selective electrode
|
| Parameter | Ammonia nitrogen, potassium ions, pH |
| Range | Ammonia nitrogen: 0.1–1000 ppm Potassium ions: 0.1–1000 ppm pH: 2–12 Temperature: 0–100°C |
| Resolution | Ammonia nitrogen and potassium ions: 0.01 ppm; pH: 0.01 pH |
| Repeatability | +1%FS |
|
T90 |
30 seconds |
| Potassium ion compensation | Manually or automatically configurable |
| pH compensation | Manually or automatically configurable |
| Temperature compensation | Nitrogen, potassium ions, and pH all feature automatic temperature compensation. |
| Calibration | Single-point calibration, two-point matrix calibration |
| Operating temperature | 0~45°C |
| Storage temperature | -10~50°C |
| Protection rating | IP68, <10 meters |
| Power consumption | 750mW |
| Operating voltage | 9~12V |
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