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Graphite Quadrupole RS485 Digital Conductivity EC TDS Salinity Sensor
US$175.00-250.00
1 Piece
Product profile
Customization
AvailableMaterials
PlasticType
Conductivity SensorModel NO.
CS3740DFunction
Water quality testing and analysisPower
12VDCOutput
RS485 MODBUS RTUMeasure material
Graphite(4 Electrode)Housing material
PP+Waterproof grade
IP68Measurement range
0-500000 us/cmAccuracy
+/-1%F.STemperature compensation
NTC10KInstallation thread
NPT3/4 inchTransport Package
1 PCS/CartonSpecification
Graphite + PPTrademark
twinnoOrigin
Shanghai, ChinaHS Code
9027Production Capacity
3000PCS/MonthKey features
Wide Measurement Range: Measures conductivity from 0 to 500,000 us/cm with +/-1% accuracy.
High Precision Design: Graphite quadrupole electrode ensures accurate readings in pure and boiler feed water.
Industrial Compatibility: RS485 MODBUS RTU output for easy integration with PLCs, DCS, and controllers.
Durable Construction: PP+ housing with IP68 waterproof rating and NPT3/4 inch installation thread.
FDA Approved Materials: Electrically polished parts using FDA-approved materials for food and pharma safety.
Steam Sterilization Ready: Suitable for steam sterilization and CIP cleaning to meet hygiene requirements.
Customizable Interface: Electrical interface is customizable to fit specific process requirements.
Extended Cable Option: Standard 10m cable available, extendable up to 100m for flexible installation.
Company profile

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: ≤1.12h
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:What is the minimum order quantity?
A:
MOQ: generally 1 unit/piece/set
Q:What payment methods are supported?
A:
Payment method: By T/T, L/C, etc. Payment terms: Generally, We accept 100% T/T in advance, balance before shipment.
Q:What are the available delivery methods?
A:
Our port location: Shanghai Delivering to: Worldwide Delivering method: by sea, by air, by truck, by express, combined transportation
Q:How long is the product date of delivery probably?
A:
Delivery date differs with product type, order quantity, special requirement etc. Usually our big machine delivery date is around 15 ~ 30 days; test equipment or analyzer delivery date is around 3~7 days. Some products have stock, contact us anytime to get more information.
Q:How long is the warranty period?
A:
We warrants the plant supplied under agreed specification against defects in material and workmanship under normal use and service for a period of 1 years after start up of the system.
Send Inquiry
*To:
Shanghai Chunye Instrument Technology Co., Ltd.
Shanghai Chunye Instrument Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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