What is the minimum order quantity?

The minimum order quantity is 1 piece.

What communication protocols are supported?

It supports RS485 interface with Modbus protocol, and 4-20mA output is optional.

What is the measuring range?

The measuring range is 0~1000.0 Mg/L.

Precision Liquid Analyzer No3-, Nh4+, and K+ Ion Sensors

Name: Precision Liquid Analyzer No3-, Nh4+, and K+ Ion Sensors
Brand: Linksens Technology (Shenzhen) Co., Ltd.
SKU: 1983371461

Guangdong, ChinaLinksens Technology (Shenzhen) Co., Ltd.

US$270.00

1-9 Pieces

US$240.00

10+ Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Provide Online Guidance, Work Instructions, and Tr

Warranty

1 Years

Model NO.

S-NH131

Display

Digital

Appliance

Food Analysis, Medical Research, Biochemistry, Water Analysis

Portable

Certification

RoHS, FCC, CE, ISO9001

Measuring Range

0~1000.0 Mg/L

Accuracy

±1 Mg/L

Response Time

≤60s

Resolution

0.01 Mg/L , 0.1℃

Output

4~20mA and RS485

Signal Line Length

5m (Customizable)

Protection Level

IP68

Transport Package

Box

Specification

500g

Trademark

Support OEM

Origin

China

HS Code

9025800000

Production Capacity

5000000PCS/Years

Key features

Patented Electrode Technology: Features a patented ammonium ion electrode with slow seepage for stable system and longer lifespan.

IP68 Waterproof Protection: Robust IP68 protection level ensures durability in harsh water analysis environments.

Wide Compatibility: RS-485 Modbus/RTU output compatible with PLC, DCS, and industrial PCs.

Flexible Customization: Signal line length and measuring range are customizable to meet specific needs.

Multi-Parameter Analysis: Capable of measuring Ammonium Nitrogen, Nitrate, and Potassium ions simultaneously.

Certified Quality: Compliant with RoHS, FCC, CE, and ISO9001 standards for global reliability.

Easy Installation: Designed with 3/4NPT thread for straightforward installation in pipelines and tanks.

Company profile

Self-brandedExhibition ExperienceFull CustomizationQuality Assurance

Linksens Technology (Shenzhen) Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2003-05-01 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤11.58h

AI-Powered supplier vetting

SummaryLinksens is presented as an independent R&D and innovation company serving water-quality monitoring markets, with stated end-to-end R&D, manufacturing, sales, and service capabilities. It reports more than 100 invention patents and CCEP, ISO9001, and ISO14001 certifications. The supplier offers OEM, ODM, and multiple customization modes, and has participated in the Vietnam water show. However, the evidence also shows no valid manufacturing-capacity contract with an affiliated subcontractor, no overseas warehouse, showroom, agent, or branch, and no new products in the past year. Service procedures exist but lack written records, and no approved-supplier list is available. Production evidence is limited to one production line and 6–10 quality-control staff, while stated financial figures are zero and therefore do not establish financial credibility. Customer-sector coverage is described, but specific customer cases are not provided.

Supplier typeThe supplier is described as an independent R&D innovation company that integrates R&D, manufacturing, sales, and service, focusing on water-quality monitoring instruments and customized solutions for municipal, industrial, agricultural, and environmental sectors. This supports classification as an integrated manufacturer/R&D supplier rather than a pure trading company.

CertificationsThe company description explicitly states that Linksens holds CCEP, ISO9001, and ISO14001 certifications. These named certifications provide direct evidence of certification holdings, although the slices do not provide certificate numbers, validity dates, or scope.

After-Sales capabilityThe supplier has in-stock service capacity and has participated in the Vietnam water show, but it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas services. Complaint-handling and corrective/preventive-action procedures exist without written records, while supplier-service assessment procedures also have no records; therefore the available evidence shows material service-coverage and documentation limitations.

Financial creditThe provided financial-capacity slices report zero operating revenue, costs, profit, gross margin, current ratio, and related multi-year indicators for the stated periods. Because these figures do not demonstrate operating scale, profitability, liquidity, or continuity, the supplier's financial credibility is not supported by the provided evidence.

R&D capabilityLinksens claims more than 100 invention patents and describes itself as an R&D innovation company, with ODM and design-based customization available. However, the supplier reports no new products in the past year, no available SDK, and only one year of total R&D-engineer experience, so innovation credentials are supported but recent product-development evidence is weak.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, as well as ODM and OEM services for popular brands. These statements directly support broad customization and contract-manufacturing capability.