On-line ammonia nitrogen sensor, no reagents required, green and non-polluting, can be monitored online in real time. The NH4 Probe uses three electrodes: Ammonium ion selective electrode,potassium (optional), pH and reference electrodes ,automatically compensate for potassium (optional), pH and temperature in water. It can be directly put into installation, which is more economical, environmentally friendly and convenient than traditional ammonia nitrogen analyzer. It adopts RS485 output and supports Modbus for easy integration.
Our company assures its first-hand buyers that there will not be any product defects caused by substandard materials or factory manufacturing in the 3 months after shipment. If a defect is found within the 3-month warranty period, Desun Uniwilli Electronics promises to repair or replace the defective product or return the payment in addition to the first shipping and related formalities. Any product repaired or replaced during the warranty period will only enjoy the remaining warranty period of the original product. This warranty does not apply to consumables such as consumable parts (including but not limited to lamps, pipes, etc.).

Xi'an Desun Uniwill Electronic Technology Co., Ltd (Hereinafter referred to as Disen Sensing Company) is located in Xi'an High-tech Development Zone. It is a high-tech company integrating production, R&D, sales and engineering services. Relying on Xi'an's rich high-tech resources, we have carried out technical cooperation with many universities and scientific research institutions, constantly breaking through technical barriers, improving product performance, and using leading technology to provide high-quality products for the water quality monitoring industry.
Desun Uniwill has won unanimous praise from domestic and foreign customers with its high-quality and sincere professional pre-sales, in-sales and after-sales services. On the basis of continuously optimizing innovative products, we will strictly adhere to quality management, strictly abide by industry standards, and protect the green mountains and green waters with our partners with high-quality products to guard the blue water and blue sky.