LINKSENS online ISE (NH4+ pH ORP/K+) sensor with integrated digital electronics for plug and play capability with LINKSENS multi-parameter sonde platform and IP68 connector to any PLC or RTU. It has a unique design that incorporates a user-replaceable electrode tip (module) and a reusable sensor base that houses the processing electronics. This allows users to reduce the costs and easy to maintain.
· Polymer membrane ISE ammonium and potassium electrode.
· A potassium chloride (KCl) solution reference.
· Isolator and NTC10K inside, easy to use. • User-replaceable ammonium, potassium, pH, ORP, reference electrode, reusable sensor base.
· RS485 output, Modbus protocol.
· IP68 connector.
· All parts designed and made by Broadsensor including ISE
Note: Freshwater application only.
| Measurement Method | Polymer membrane ISE electrode, glass pH, platinum ORP and KCL reference |
| Range | 0.5-1000ppm NH4 + / 0-14 pH / -999~+999mV ORP / 0.5-1000ppm K+ |
| Resolution | 0.01ppm/0.01pH/1mV/0.01ppm |
| Accuracy | 5%FS /±0.2pH/±20mV/5%FS (freshwater, conductivity<1500uS/cm) |
| Operating Temperature | 5~45℃ |
| Storage Temperature | -10~50℃ |
| Min. Detection Limit | 0.05ppm/NA/NA/0.05ppm |
| Warranty | 1 year(sensor base and ORP), 3 months (electrode) |
| Depth | IP68, 10m Max |
| Power | DC 5V ±5%, 0.5W(normal) |
| Output | RS485 and Modbus RTU |
| Materials | POM, TA |
| Dimensions | Length 186mm, diameter 35.3mm |
| Flow rate | < 3 m/s |
| Response time | Minimum 45s T90 |
| Field life* | Sensor base 2 years or greater, NH4 +/K+ 6 months, pH/Ref electrode 12 months or greater |
| Recommended Calibration maintain Frequency* | NH4+/K+ 2-3 weeks, pH/Ref 4-8 weeks |
| Note: *Field life and calibration frequency dependent on site conditions | |
