What certifications does the product have?

The product is certified with RoHS, CE, and ISO9001 standards.

What is the warranty period?

The product comes with a 1-year warranty.

RS485 Graphite Quadrupole Digital Conductivity TDS Salinity Sensor Electrode

Name: RS485 Graphite Quadrupole Digital Conductivity TDS Salinity Sensor Electrode
Brand: Shanghai Chunye Instrument Technology Co., Ltd.
SKU: 889192535

Shanghai, ChinaShanghai Chunye Instrument Technology Co., Ltd.

US$225.00-300.00

1 Piece

Product profile

Customization

Available

After-sales Service

remote

Warranty

1YEAR

Model NO.

CS3740D

Display

Digital

Appliance

Food Analysis, Medical Research, Biochemistry

Portable

Non Portable

Certification

RoHS, CE, ISO9001

Type

Concentration Meter

Function

Over Voltage Protection, Overheat Protection

Materials

Plastic

Power

12VDC

Output

RS485 MODBUS RTU

Measure material

Graphite(4 Electrode)

Housing material

PP+

Waterproof grade

IP68

Measurement range

0-500000 us/cm

Accuracy

+/-1%F.S

Temperature compensation

NTC10K

Installation thread

NPT3/4 inch

Transport Package

1 PCS/Carton

Specification

Graphite + PP

Trademark

twinno

Origin

Shanghai, China

HS Code

9027

Production Capacity

3000PCS/Month

Key features

RS485 MODBUS RTU Output: Supports standard RS485 MODBUS RTU protocol for easy integration.

Wide Measurement Range: Measures conductivity from 0 to 500,000 us/cm with +/-1% accuracy.

IP68 Waterproof Grade: Housing made of PP+ with IP68 rating for durable underwater use.

Multi-Protection Features: Includes over-voltage, overheat, and short-circuit protection functions.

Graphite 4-Electrode Design: Utilizes graphite electrodes for stable and accurate water quality testing.

RoHS, CE, ISO9001 Certified: Product meets international safety and quality standards.

1-Year Warranty: Comprehensive 1-year warranty coverage for peace of mind.

Remote After-Sales Support: Technical assistance available via email, phone, or video call.

Company profile

Importers and ExportersExhibition ExperienceQuality AssuranceManagement Certification

Shanghai Chunye Instrument Technology Co., Ltd.

Shanghai, 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: 2019-05-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.05h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with professional technical, 3D software design, SDK, ODM, OEM, and multiple customization capabilities. It reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, plus regular fire drills. It has in-stock service capability and participated in IE Expo 2026, but lacks overseas warehouses, showrooms, agents, and branches. Manufacturing-related controls show limitations: no valid manufacturing contract with affiliated subcontractors, no continuous quantity reconciliation, and no outsourcing SOP. The supplier reports financial records covering 2023–2025, but the provided information does not establish financial strength. Innovation evidence is mixed: ODM and OEM capability are stated, while no new products were reported in the past year. No specific customer names, projects, or verifiable customer cases are provided.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications. The slices do not provide certificate numbers, validity dates, issuing bodies, or scope, so the existence is stated but current validity cannot be independently assessed.

R&D capabilityThe supplier reports professional technical R&D capability, available SDK support, ODM services, and OEM service for well-known brands. At the same time, it reports no new products during the past year, indicating that the available evidence supports technical and design capability but not recent product innovation.

Production capacityThe supplier reports two production lines and in-stock capability, but manufacturing controls have material gaps: there is no valid contract with affiliated subcontractors, no continuous batch quantity reconciliation, and no outsourcing SOP. These stated deficiencies weaken confidence in controlled production execution.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, supported by 3D software design, R&D, and ODM services. This provides direct evidence of broad customization capability.

Product Q&A

Q:Is the analyzer complicated to install and operate?

Most analyzers are user-friendly with manuals and tutorials. Basic models can be installed by users; complex systems may require technicians. Remote guidance is available.

Q:How soon do you ship after I place an order?

Orders are typically processed and shipped within 1-3 business days. In-stock items may ship the same day. Delivery time depends on the address and method.

Q:What are the shipping costs?

Shipping costs vary based on address, weight/volume, and method (express, ground, etc.). Accurate estimates are provided at checkout after entering your address.

Q:What is your after-sales service policy?

We offer a quality guarantee for 3 to 12 months. Support is available via email, phone, or video call during working hours. On-site support can be provided for complex issues.

Q:What is the measurement range and accuracy?

The measurement range is 0-500,000 us/cm with an accuracy of +/-1% F.S. It features NTC10K temperature compensation.