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Digital PNP 4~20mA Water Level Sensor with OLED Display
Negotiable
1 Piece
Product profile
Customization
AvailableType
Diffused Silicon Level Sensor SwitchStructure Design
Input TypeModel NO.
SLSPressure Range
High PressureDisplay Type
OLEDIP Rating
IP65Certification
ISOCustomized
CustomizedPower Supply
12-30VDCOutput Signal Type
Digital or Analog TypeMaterial
Stainless SteelMeasuring Media
LiquidAccuracy
≤0.5%FsTemperature Error
±0.02%Fs/°c(Zero / Full Span)Long-Term Stability
±0.3%Fs/YearWarranty
1 YearTransport Package
Paper Carton and as Buyer's RequirementSpecification
SGSTrademark
WNKOrigin
Hefei, AnhuiProduction Capacity
20000PCS/YearKey features
OLED Display Integration: Combines level switch, transmitter, and display in one device for real-time monitoring.
IP65 Waterproof Rating: Dust-tight and protected against water jets, suitable for harsh industrial environments.
ISO 9001-2015 Certified: Factory certified under ISO 9001-2015 with 48-hour aging tests before shipment.
Multiple Output Options: Offers PNP/NPN switching, analog signals (4-20mA, 0-5V, 0-10V), and RS485 Link.
Customizable Configuration: Power supply, output signal type, material, and measuring media can be customized.
1-Year Warranty Coverage: Provides 12 months warranty from shipment date for non-man-made damages.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-03-30 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.51h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryHefei WNK Smart Technology Co., Ltd. is a China-based limited company operating in electrical and electronics, focused on sensors and transmitters. The evidence indicates established production and R&D activities, ISO9001:2015 certification, two production lines, a 3,500 m² manufacturing area, and stated annual capacities of 30,000 temperature transmitters and 60,000 pressure transmitters. It reports innovation involvement, proprietary PROFIBUS-related technology, and broad export-market coverage. However, the provided information does not sufficiently verify after-sales service processes, customization capability, customer cases, or financial credibility. The records also contain differing founding-year statements, with 2014 in one slice and 2004 in another.
Supplier typeThe supplier is identified as a Chinese limited company and combined business entity operating in electrical and electronics. It focuses on producing, researching, selling, and servicing sensors and transmitters, although one record also describes the company nature as a trading company.
CertificationsThe supplier holds an ISO9001:2015 certificate. It is also described as having prior ISO9001:2008/GB/T 19001-2008 certification and international PROFIBUS certification for its PROFIBUS transmitter series, providing explicit evidence of quality-system and product-related certification.
R&D capabilityWNK states that it develops new products and pursues technical innovation, has undertaken Ministry of Science and Technology innovation projects, and has been recognized as a promising technology enterprise. It also reports proprietary intellectual property in PROFIBUS transmitters and four R&D engineers, supporting an active innovation capability.
Production capacityThe supplier reports a 3,500 m² manufacturing plant, two production lines, six to ten quality-control staff, and production capacities of 30,000 temperature transmitters and 60,000 pressure transmitters annually. Its stated lead time is within 15 working days in both off-peak and peak seasons, indicating documented production capacity and delivery capability.
Product Q&A
Q:Are you a trading company or manufacturer?
A:
We are a manufacturer since the year 2004, committed to producing high accuracy, long-term stability, cost-efficient pressure/level/temperature measuring instruments.
Q:What is your quality control system?
A:
Our factory is cerrified under ISO 9001-2015. All products are completed with temperature compensation and 48 hours aging test before shipment.
Q:What is the warranty of your products?
A:
12 month from shipment date, for non-man-made damages.
Q:How do you handle shipping and delivery?
A:
Small orders are delivered with DHL, Fedex, TNT, UPS , with delivery time in 4 - 5 business days. Large orders are recommended to ship by sea
Send Inquiry
*To:
Hefei WNK Smart Technology Co., Ltd.
Hefei WNK Smart Technology Co., Ltd.*Content:
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