Product Details
High Quality Pressure Sensor Pressure Transmitter with IP66/67
WNK4S pressure transmitter is the cost-effective model of pressure
transmitters provided by Hefei WNk Smart Technology Co., ltd. It
transforms the physical signal of pressure , differential pressure
and level etc into standard signal, by collecting cell sensor and
digital processing circuit.
WNK4S pressure transmitters are suitable for:
1.Gauge,absolute and differential pressure measurement in
gases,steam or liquids in areas of process control field.
2.Level,volume or mass mearsurement in liquids.
Product Name | 4-20mA DC MODBUS Protocol Low Pressure Transmitter for HVAC |
Pressure measurment | liquid, gas and steam |
Pressure range | -100kPa~70MPa |
Accuracy | 0.2% |
Output | 4~20mA, Modbus |
Power supply | 10.5-55V DC 10.5-30V DC |
Mechanical connection | G1/2, G1/4, 1/2NPT etc |
Housing material | Aluminum14 |
Ingress Protection | IP66/67 |
Ex-proof | ExiaII CT4/CT6, ExidIICT6 |
Ambient temperature | -40 to 85ºC,-40 to 80ºCfor LCD header |
Storage temperature | -45 to 85ºC,-40 to 80ºC for LCD header |
Company Profile
Founded in 2004, HEFEI WNK SMART TECHNOLOGY CO., LTD is a hi-tech
company specializing in different kinds of technologically-advanced
and good quality sensor, transmitter and automation instrument. We
devote to developing, manufacturing and selling of automation
control system, providing our customers comprehensive fieldbus
technical solutions and factory informatization construction.

Our main products include iEOS industrial cloud data base
developing plate form; industrial Internet of Things; WNK-WMS
industrial wireless measurement system; onsite measurement
instruments like temperature, pressure, flow, level sensor and
transmitter etc, widely applied in Petrochemical, Chemical, Power,
Steel and Cement.

WNK is the third company in China developed PROFIBUS transmitters.
WNK series PROFIBUS transmitter is the fourth in China certificated
by international PROFIBUS organization, and Chinese first that
completely having proprietary intellectual property rights. WNK
PROFIBUS-PA temperature transmitters filled Chinese blank
technology in the field.

With strict, scientific management system, WNK has been
certificated to conform to standard GB/T 19001-2008 / ISO 9001:2008
by CHINA CLASSIFICATION SOCIETY CERTIFICATION COMPANY. WNK commits
to developing of new products and technical innovation. With
continuously effort in advanced technology of automation control
system, WNK has been undertaking some innovation projects of MST
(Ministry of Science and Technology), and has been honored as
promising enterprise of “Giant of Technology ”in Hefei Hi-tech
Industry Development Zone.

As Chinese first and unique qualified production enterprise of
0.075% measurement in Anhui, WNK brand was awarded Anhui Famous
Brand.
