PT100 Electronic Digital Temperature Switch With PNP + 4~20mA + Modbus Output

Brand Name:WNK
Certification:SGS, ISO9001:2015
Model Number:STS
Minimum Order Quantity:1 piece
Delivery Time:5-8 work days
Payment Terms:T/T, Western Union
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Verified Supplier
Location: Hefei Anhui China
Address: 5f, Bldg 2a, Mingzhu Industrial Park 106 Chuangxin Ave, High-Tech Zone, Hefei, Anhui, China
Supplier`s last login times: within 48 hours
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Product Details

PT100 Electronic Digital Temperature Switch With PNP + 4~20mA + Modbus Output


STS supports functions of switch delay, normally open, normally closed, switching point settable, display temperature peak value and environment temperature and other functions. It can connect with PT100 and PT1000 temperature sensors.


The temperature switch STS is robustly designed and very easy to use. The STS is suited for temperature monitoring, measurement and control, such as used in cleaning liquid, hydraulic oil, heat-carrying agent and lubricant etc. It is temperature switch, transmitter and display in one and the same device. In its standard configuration it has optional two switching outputs (PNP or NPN), an analog output signal (0...20mA| 4…20 mA or 0...5V| 0…10 V) as well as with RS485 Link.


Quick Information:


  • PT100, PT1000 sensor input
  • Supprt MODBUS protocol
  • Voltage output 2×PNP + 0V~5VDC/10VDC + MODBUS; current output 2×PNP + 0mA/4mA~20mADC + MODBUS
  • OLED display
  • Switching points settable
  • Switching can be set normally open / normally closed
  • Analog output span settable
  • Various analog output ways available
  • Supporting Switching delay
  • Electrical connector of M12 5PIN and M12 8PIN
  • Display reversing 180°
  • Displaying temperature peak value and environment temperature
  • Housing with electrical connection against process connection rotatable 330°
  • Password protection function available

Detailed Technical Info:


Measuring range-50~260℃
Accuracy≤0.5℃
Supply Power12…30V DC
Temp. Error±0.02%FS/℃
Long-term Stability±0.3%FS/Year
Analog output accuracy±0.2%FS
Measuring MediaWater, mineral-based hydraulic fluid and Synthetic oil
Wetted materialStainless steel, Nitrile Butadiene Rubber and PTFE

Output Configurations


switching+voltage+ communication2×PNP + 0V~5VDC/10VDC + MODBUS
switching+current+ communication2×PNP + 0mA/4mA~20mADC + MODBUS
Switching current1.0A(Max.)
Switching typenormally open , normally closed (settable)
Switching respond time<10ms
Switching delay0.00s~1000.0s
Switching motion modedelay or windows mode
Analog signal output and maximum ohmic load RLCurrent output0/4…20mA,20…4/0mA RL≤0.5kΩ
Voltage output0…5/10V,5/10…0V RL>10kΩ
Screen displayOLED
Menu languageChinese,English
Switching instruction2X Red LED
Displaying pressure unitskPa, mm, cm, m
Buttons3X blue back-lighted touch buttons
Displaying supplementary variablesenvironment temp., analog output value, max. Peak value,mini. peak value
Supplementary variables displaying modefixed displaying or INFO button switching Display
Working temperature-30℃~80℃
Media temperature0℃~60℃
Storage temperature-40℃~80℃
Electromagnetism compatibleGB/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 RatingIP65 / 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.

China PT100 Electronic Digital Temperature Switch With PNP + 4~20mA + Modbus Output supplier

PT100 Electronic Digital Temperature Switch With PNP + 4~20mA + Modbus Output

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