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Hefei WNK Smart Technology Co.,Ltd
Home ProductsElectronic Digital Temperature Switch

Intelligent Digital Electronic Temperature Switch For Hydraulics And Machine Building

China Hefei WNK Smart Technology Co.,Ltd certification
China Hefei WNK Smart Technology Co.,Ltd certification
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Intelligent Digital Electronic Temperature Switch For Hydraulics And Machine Building

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Large Image :  Intelligent Digital Electronic Temperature Switch For Hydraulics And Machine Building

Product Details:
Place of Origin: Hefei, CN
Brand Name: WNK
Certification: SGS, ISO9001:2015
Model Number: STS
Payment & Shipping Terms:
Minimum Order Quantity: 1 piece
Price: Negotiable
Packaging Details: Sea-Worthy Packing or Air-Worthy Packing
Delivery Time: 5-8 work days
Payment Terms: T/T, Western Union
Supply Ability: 5000pcs per month
Detailed Product Description
Temperature Range: -50...200C~260C Input: Pt100, Pt1000
Process Connection: G 1/2 M12(5pin,8pin) Analog Output: 4-20ma
Digital Output: PNP, NPN Analog Accuracy: 0.5%FS
Sealing: NBR
High Light:

pt100 temperature transmitter


2 wire temperature transmitter


Intelligent Digital Electronic Temperature Switch For Hydraulics And Machine Building



WNK Smart Temperature Switch (STS ) supports PT100 or PT1000, it is with high measuring accuracy of 0.5℃. STS offers various functions including switch delay, switch point settable, display environment temperature, housing and display turnable and rotatable. 


  • Easily-readable, robust display
  • Intuitive and fast setup
  • Easy and flexible mounting configurations
  • Support PT100 or PT1000 input
  • Current output is 4~20mA+2PNP+MODBUS; voltage output is 0~5V/10V+ 2PNP+ MODBUS
  • Supporting Switching delay
  • Various analog output ways available
  • Switching points settable
  • Analog output span settable 
  • Electrical connector is M12 5pin or 8pin

Detailed Technical Info:


Measuring range -50~260℃
Accuracy ≤0.5℃
Supply Power 12…30V DC
Temp. Error ±0.02%FS/℃
Long-term Stability ±0.3%FS/Year
Analog output accuracy ±0.2%FS
Measuring Media Water, mineral-based hydraulic fluid and Synthetic oil
Wetted material Stainless steel, Nitrile Butadiene Rubber and PTFE

Output Configurations


switching+voltage+ communication 2×PNP + 0V~5VDC/10VDC + MODBUS
switching+current+ communication 2×PNP + 0mA/4mA~20mADC + MODBUS
Switching current 1.0A(Max.)
Switching type normally open , normally closed (settable)
Switching respond time <10ms
Switching delay 0.00s~1000.0s
Switching motion mode delay or windows mode
Analog signal output and maximum ohmic load RL Current output 0/4…20mA,20…4/0mA RL≤0.5kΩ
Voltage output 0…5/10V,5/10…0V RL>10kΩ
Screen display OLED
Menu language Chinese,English
Switching instruction 2X Red LED
Displaying pressure units kPa, mm, cm, m
Buttons 3X blue back-lighted touch buttons
Displaying supplementary variables environment temp., analog output value, max. Peak value,mini. peak value
Supplementary variables displaying mode fixed displaying or INFO button switching Display
Working temperature -30℃~80℃
Media temperature 0℃~60℃
Storage temperature -40℃~80℃
Electromagnetism compatible GB/T 17626.2/3/4-2006
Shock resistance ≤10g/10Hz...500Hz(IEC 60068-2-6-2007)
Vibration resistance ≤50g/11ms(IEC 60068-2-27-2008)
Protection Rating IP65 / IP68



Competitive Advantages

1. Founded in 2004, over 13 year professional research, developing and production experience;
2. Experienced and professional R&D team to provide customization services;
3. Producing transmitter core elements- PCB, supplying PCB for transmitter producers;
4. Highest accuracy up to 0.05%FS;
5. Various outputs I2C, SPI, 4~20mA, Hart, Modbus, Profibus-Pa, 0.5-4.5V, 0.2-2.9V and other analog outputs;
6. Our products have been exported to Germany, Norway, Poland, Finland, Spain, UK, France, Russia, USA, Brazil, Mexico, Australia, Japan, Korea, Thailand, Indonesia, Uruguay and many other countries.

Contact Details
Hefei WNK Smart Technology Co.,Ltd

Contact Person: WNKSENSOR

Tel: +8618156545248

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