NPT1/4 Pressure Sensor Transmitter 4-20mA Hersman 0-1000bar 200bar -1bar 1bar Smart Hydraulic Pressure Transducer Gauge 0-5V
SPECIFICATIONS
Battery Included: no
Brand Name: Vadias
Certification: CE,FCC,RoHS
Choice: yes
Feature 1: 0-250bar to 4-20mA Hersman Pressure Transmitter Sensor
Feature 10: 0-100Bar to 0.5-4.5V Pressure Sensor
Feature 2: 0-100bar to 4-20mA Hersman Pressure Sensor Transmitter
Feature 3: 0-2.5Mpa to 0-10V Hersman Pressure Sensor
Feature 4: 0-16bar to RS485 Hersman Pressure Sensor
Feature 5: -1-10bar to 4-20mA Pressure Transmitter
Feature 6: 0-100Kpa to 4-20mA Pressure Transmitter
Feature 7: 0-2.5Mpa to RS485 Pressure Transmitter
Feature 8: 0-400Bar to 4-20mA Pressure Transmitter
Feature 9: 0-600bar to 0-3.3V Pressure Transmitter
High-concerned chemical: none
Material: SS304,ABS
Max Measuring Range: 400 Bar & Above
Measuring Range: -0.1Mpa~0~100MPa
Medium: Oil, Gas, Water, Air
Model Number: QDW90A
Origin: Mainland China
Output Signal: 4-20mA, 0-10V, 0-5V, 0-3.3V,0.5-4.5V,RS485
Power Supply: DC24V, DC12V, DC12-30V,
Product Name: Hersman Pressure Sensor
Semi-finishedproduct: No
Thread Size: NPT1/4
Waterproof Grade: IP65
semi_Choice: yes
For bulk orders, OEM/ODM customization, or technical support, please send us a message via AliExpress Chat.
Our sales team will reply to you within 24 hours with detailed quotations and support.
Thank you for your inquiry!
Notes:
1.DefaultPower Supply:DC24V,for 0-3.3V,0.5-4.5V output,the power supply is DC5V.
2.Default Thread size:NPT1/4,(for G1/2,G1/4,NPT1/2,M20*1.5,pls leave a message,tks)
3.We can make 0~1000bar,If you need other special parameters,pls contact with me.
And let me know the range , output signal , power supply , thread size request .
4.Our packages will include a QR code for the product manual. If you cannot obtain the manual/RS485 protocol by the code, please contact me and I will send the manual to you directly.
5.The voltage output does not have reverse protection, please be careful not to connect the wrong wire. Connecting the wrong wire will directly burn out the product, and the manufacturer cannot compensate.
The detailed information below includes a wiring diagram. If you are unsure, please contact me. Thank you.
Introduction:
<1>. This series precision pressure transducer has been specially designed to cover the majority of industrial applications which need high accuracy measurement.
<2>.The pressure transducer are made of stainless steel, the pressure sensing elements are selected from good suppliers. Special circuits are adopted to adjust zero and full range conveniently.
<3>.This pressure transmitter is suitable for all applications in process control, laboratory and materials testing equipments.
<4>.Customized structures and outputs formats can be designed according to special application requirement, in addition to standard products.
FEATURES:
◆ CE conformity
◆ Low cost and high quality
◆ All stainless steel integrated structure
◆ Small size, convenient to install and operate
◆ 4-20mA, 1-5V, 0-5V, 0-10V, various voltage output
◆ For applications such as air, water, oil
◆ Provide OEM, flexible customization
Application:
◆ Intelligent IoT constant pressure water supply
◆ Engineering machinery, industrial process control and monitoring
◆ Energy and water treatment systems
◆ Steel, light industry, environmental protection
◆ Medical, agricultural machinery, testing equipment
◆ Flow measurement equipment
◆ Hydraulic and pneumatic control systems
◆ Air-conditioning unit and refrigeration equipment
◆ Water pump, air compressor pressure monitoring

Technical parameters:
Model |
QDX50 |
Measuring range |
0~100MPa; -1~0~1 Bar.....600 Bar |
Pressure type |
Gauge pressure, Absolute pressure |
Overload |
150%F.S. |
Output signal |
4~20mA, 0~5V, 0~10V, 1~5V |
Power supply |
12~36VDC (Default: DC24V) |
Response time |
<3ms |
Accuracy |
0.2%FS; 0.5%FS(Default) |
Long-term stability |
±0.1%F.S/year; ±0.2%F.S/year |
Load resistance |
RL=(U-12V)/0.02A (4~20mA current output) U—loop voltage(V) |
Operating temperature |
-30~80℃ |
Sorage temperature |
-40~120℃ |
Zero Tempe Drift |
0.2%FS/10℃ |
Pressure connection |
M20×1.5,G1/2,G1/4,1/2NPT (Customized) |
Material |
Stainless steel shell; internal sensor 316L |
Protection grade |
IP65 |
Size:









- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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