WP401B Compact Design Cylinder RS-485 Pressure Sensor
WP401B Cylinder Modbus Pressure Sensor can be used to measure & control liquid, gas and fluid pressure in areas below:
- ✦ Petrochemical
- ✦ Automotive Industry
- ✦ Thermal Power Station
- ✦ Chemical Fertilizer Plant
- ✦ Oil & Gas Pipe and Tank
- ✦ CNG Storage Station
- ✦ Sewage Treatment Station
- ✦ Filter Equipment
WP401B compact pressure sensor features a simple and lightweight design with all-welded SS304 cylindrical enclosure offering a reliable and precise solution that works well under various conditions.The stainless steel case can provide IP65 ingress protection, which can be reinforced to IP67/68 via electrical connection structure of waterproof plug and submersible cable lead respectively. The wetted part is fully-welded and made of stainless steel 304/316L or other alloy to withstand medium with corrosion. As the manufacturer, WangYuan offers customization options for WP401B series products in all aspects.
Imported cutting-edge sensor chip
Compact and solid structural design
Lightweight, easy-of-use, maintenance-free
Measuring range configurable with HART Protocol
Suitable for mounting in complicated process condition
Customized wetted-part material for corrosive medium
Smart Communication: Modbus RS-485 and HART
Economical type, Effective at favourable price
| Item name | Compact Design Cylinder Pressure Sensor | ||
| Model | WP401B | ||
| Measuring range | 0—(± 0.1~±100)kPa, 0 — 50Pa~400MPa | ||
| Accuracy | 0.1%FS; 0.2%FS; 0.5 %FS | ||
| Pressure type | Gauge pressure(G), Absolute pressure(A)Sealed pressure(S), Negative pressure (N). | ||
| Process connection | G1/2”, M20*1.5, 1/2"NPT, 1/4"NPT, Customized | ||
| Electrical connection | Hirschmann/DIN, Aviation plug, Cable gland, Customized | ||
| Output signal | 4-20mA(1-5V); Modbus RS-485; HART; 0-10mA(0-5V); 0-20mA(0-10V) | ||
| Power supply | 24V(12-36V)DC; 220VAC | ||
| Compensation temperature | -10~70℃ | ||
| Operating temperature | -40~85℃ | ||
| Explosion-proof | Intrinsically safe Ex iaIICT4 Ga; Flame proof Ex dbIICT6 Gb | ||
| Material | Housing: SS304 | ||
| Wetted part: SS304/; PTFE; Hastelloy C-276; Tantalum, Customized | |||
| Media | Liquid, Gas, Fluid | ||
| Local display | LCD, LED, Tilt LED with 2- relay | ||
| Maximum pressure | Measurement upper limit | Overload | Long term stability |
| <50kPa | 2~5 times | <0.5%FS/year | |
| ≥50kPa | 1.5~3 times | <0.2%FS/year | |
| Note: When range <1kPa, only no corrosion or weak corrosive gas can be measured. | |||
| For more information about WP401B Compact Air Pressure Transmitter please feel free to contact us. | |||










