What are the available output signals?

Output signals include 2-Wire 4-20mA, 0-10V, RS485, and 2xPNP.

What is the power supply requirement?

The device operates on a power supply of 12-32V DC.

Wnk 4-20mA HVAC Differential Digital Air Pressure Transmitter Sensor

Name: Wnk 4-20mA HVAC Differential Digital Air Pressure Transmitter Sensor
Brand: Hefei WNK Smart Technology Co., Ltd.
SKU: 1928880515

Anhui, ChinaHefei WNK Smart Technology Co., Ltd.

US$80.00

1-49 Pieces

US$70.00

50+ Pieces

Product profile

Customization

Available

Type

Normal Pressure Transmitter

Structure Type

Micro Differential Pressure Transmitter

Model NO.

WNK808N1

Measuring Medium

Wind

Accuracy Grade

0.2%, 0.5%Fs

Pressure range

-10PA~100PA, -100kpa~+100kpa

IP Rating

IP65

Certification

ISO

Customized

Measured Media

Air, Gas

Output Signals

4-20mA

Accuracy

±0.1%Fs

Power Supply

12-32V DC

Compensation Temperature

0-60℃

Protection Class

IP65

Electrical Connections

Terminal or M12

External Load

≥500ω

Transport Package

Boxes

Specification

4-20mA

Trademark

WNK

Origin

Hefei, Anhui, China

HS Code

9026201090

Production Capacity

2000 Pieces Per Week

Key features

Wide Pressure Range Options: Available ranges from -10Pa to +100kPa to suit various industrial needs.

Multi-Interface Output: Supports 4-20mA, 0-10V, RS485, and 2xPNP output signals.

Robust IP65 Protection: Dust and water resistant design suitable for harsh industrial environments.

Customizable Specifications: Custom options available for media, accuracy, power supply, and connections.

Stable Long-term Performance: Stability of 0.8% F.S./Year with 48-hour aging test before shipment.

High Overload Capacity: Can withstand up to 250% of sensor range without damage.

Company profile

Hefei WNK Smart Technology Co., Ltd.

Anhui, China

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: ≤3.58h 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?

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?

Our factory is certified 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?

12 month from shipment date, for non-man-made damages.

Q:How do you handle shipping and delivery?

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.

Q:What is the response time for inquiries?

Send us inquiry message at the bottom of this page to get reply within 2 hours. If any urgent inquiry, please use the below contact.