Digital NH4+ pH NO3-3-in-1 combo Sensor

TDigital Ammonia Nitrogen Sensor BH620911

Fluidings online ISE (NH4+ pH NO3-) sensor with integrated digital electronics for plug and play capability with Fluidings 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.

Features of Digital NH4+ pH NO3-3-in-1 combo Sensor

Polymer membrane ISE ammonium (NH4+ and NO3-)electrode.
A potassium chloride (KCl) solution reference.
Isolator and NTC10K inside, easy to use.
User-replaceable ammonium, nitrate, pH, reference electrode, reusable sensor base.
RS485 output, Modbus protocol.
IP68 connector.
All parts designed and made by Fluidings including ISE.

Technical Specifications
Measurement Method	Polymer membrane ISE electrode, glass pH and KCL reference
Range	0.15-1000ppm NH₄+/0-14 pH/-0.15-1000ppm NO₃–
Resolution	0.01ppm/0.01pH/1mV/0.01ppm
Accuracy	NH4-N and NO3-N 5% reading or 2ppm w.i.g ± 0.2pH
Operating temperature	5~45℃
Storage Temperature	-10~50℃
Min. Detection Limit	0.05ppm
Warranty	1 year(sensor base ), 3 months (electrode)
Depth	IP68, 10m Max
Power	DC 5V ±5%(default) DC12-24(optional), 0.5W(normal)
Output	RS485 and Modbus RTU
Materials	PVC
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+/NO3- 6 months, pH/Ref electrode 12 months or greater
Recommended Calibration maintain Frequency *	NH4+/NO3- 2-3 weeks, pH/Ref 4-8 weeks