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| Categories | RS485 |
|---|---|
| Brand Name: | ZONEWU |
| Model Number: | ZW-NA-PR |
| Certification: | CE/RoHS |
| Place of Origin: | Xiamen |
| MOQ: | 1 |
| Price: | Contact Us |
| Payment Terms: | T/T |
| Supply Ability: | 500 |
| Delivery Time: | 31 days |
| Packaging Details: | 37x26x5 cm |
| Product Name: | Online Sodium Ion Sensor |
| pH range: | >9pH |
| Temperature range: | 0-50°C |
| Power supply: | DC9-30V(Recommend 12V) |
| Output: | RS-485(ModbusRTU) 、4-20 mA(Optional) |
| Accuracy: | ±5%FS |
| Pressure range: | 0-1bar |
| Installation Method: | Submerged installation, 3/4 NPT |
| Protection level: | IP68 |
This water quality sodium ion sensor is a high-precision online detection device developed for monitoring sodium ion concentration in water environments. It integrates advanced ion selective electrode technology and industrial grade protection design to achieve accurate, continuous, and stable monitoring of sodium ion concentration. It is widely suitable for water quality monitoring needs in multiple scenarios such as drinking water, industrial circulating water, and aquaculture, providing core data support for water quality control and process optimization.
Core Features:
1.Core detection performance
Using a glass ion selective electrode, the measurement range covers
4 × 10 ⁻⁶ M to 1 M (0.1~23000 ppm), which can be used for
monitoring high alkalinity (>9 pH) water bodies; Supports
operation in a wide temperature range of 0-50 ℃, equipped with
automatic temperature compensation function, electrode resistance
below 50 M Ω, slope of 56 ± 4mV/25 ℃, measurement repeatability of
± 4%, accuracy of ± 5% FS, and full data accuracy and stability.
2.Transmission and Power Supply Design
The power supply is compatible with DC 9-30V (recommended 12V), and
the output is equipped with RS485 digital signal and 4-20mA analog
signal dual-mode. It supports Modbus RTU protocol and can be easily
connected to industrial networking systems to meet the data
transmission needs of different field devices.
3.Material and protection adaptation
The shell is made of PPS, ABS, PC, and 316L stainless steel
materials, with a protection level of IP68 and a pressure
resistance of 0~1 bar. It is equipped with various standard pipe
thread interfaces such as 3/4, M39 * 1.5, G1, etc. The cable
supports a customized length of 5m and is suitable for various
water installation scenarios. It is not afraid of complex water
environment erosion and ensures long-term stable operation.
| Model | ZW-NA-PR | |
| Shell material | PPS,ABS | PC,316L |
| pH range | >9pH | |
| Temperature range | 0-50°C | |
| Temperature compensation | Automatic | |
| Slope | 56±4mV(25°C) | |
| Sensor type | Glass | |
| Reproducibility | ±4% | |
| Power supply | DC9-30V(Recommend 12V) | |
| Output Method | RS-485(ModbusRTU) ,4-20 mA(Optional) | |
| Accuracy | ±5%FS | |
| Pressure range | 0-1bar | |
| Installation Method | Submerged installation, 3/4 NPT | |
| Protection Level | IP68 | |
| Cable Length | 5 meters, other lengths can be customized | |



Industrial-Grade & Stable Data Transmission: RS485 delivers robust anti-interference performance for real-time, reliable hardness data transmission in harsh environments (e.g., industrial boilers, municipal water supply), ensuring accurate monitoring.
Easy Integration & Scalability:Supports multi-node networking, seamlessly integrates with mainstream PLC/RTU systems, enabling flexible deployment and reducing system integration costs and maintenance complexity.

1.Are you manufacture?
A:Yes,we are Tranmitter manufacturer and exporter in China with
more than 10 years of CE,ROHS,FCC,ISO and 11 patents experience.
2.Do you offer OEM services?
A:Yes,we can provide you with OEM services and design housings and
logos.
3.DO you offer free samples?
A:Sorry,we don't offer free samples.After ordering in bulk,we will
deduct the sample fee from the second order.
Strong R & D: 30+ Senior experts and highly educated personnel formed a R & D team, heavy investment, master a number of core technologies and patents.
Professional and effective solutions: for smart environmental protection, agriculture and other fields, to provide customized compound networking solutions.
Full range of products: covering the whole industry chain products from data collection to platform services to meet diverse needs.
Excellent quality: we have perfect quality control system, strictly quality control each production link, low defective rate.
Good service: 7×24 hours fast response, Professional pre-sale, sale, after-sales team support.
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