Description
The WPCK81 liquid level transmitter is a sophisticated device designed for precise liquid level measurement. At its core is a high-performance diffusion silicon piezoresistive pressure sensor that serves as the measuring element. This sensor is capable of accurately detecting the static pressure of the liquid, which is proportional to the depth of the liquid level. The internal dedicated integrated circuit plays a crucial role in transforming the millivolt signal from the sensor into a standard signal, either current (4-20mA) or voltage (RS485 in this case). By doing so, it establishes a linear relationship between the output signal and the liquid depth, enabling accurate measurement of the liquid level.
One of the notable features of the WPCK81 is its high accuracy, ensuring reliable measurement results. Its small size allows it to be directly inserted into the liquid, making it easy to measure the height from the transmitter’s end to the liquid level. The stainless steel structure with a multi-thread design not only provides durability but also makes it suitable for various installation scenarios. With a wide temperature compensation range from -10℃ to +70℃, it can operate effectively in different environmental temperatures. The multiple output methods offer flexibility for integration with different systems, and its excellent anti-interference ability guarantees stable performance even in complex electromagnetic environments.
The WPCK81 liquid level transmitter has a wide range of applications. It is ideal for measuring static liquid levels in various settings. In liquid tanks, it helps monitor the liquid storage levels accurately, which is crucial for inventory management in industries like petroleum and chemical engineering. For fire water pools, it ensures that the water level is maintained at an appropriate level for emergency use. In water wells, it can be used to measure the water level for water resource management. It is also applicable for measuring the water levels in natural water bodies such as rivers, seawater, and lakes, which is important for hydrological exploration and environmental monitoring. Additionally, in urban water supply systems, it contributes to the efficient operation and management of water storage and distribution.
- Sturdy Structure: The stainless steel structure with a multi-thread design provides excellent durability and makes it suitable for different installation requirements, ensuring reliable operation in various environments.
- Wide Temperature Adaptability: With a wide temperature compensation range from -10℃ to +70℃, it can function stably in different temperature conditions, reducing the impact of temperature fluctuations on measurement accuracy.
- Flexible Output Options: Offers multiple output methods (4-20mA and RS485), allowing for easy integration with different control systems and data acquisition devices, enhancing its compatibility.
- High Anti-Interference Ability: Resistant to external interference, it can maintain stable performance in environments with complex electromagnetic fields, ensuring accurate and consistent measurement results.
- High Reliability: Built with quality components and advanced technology, it has a long lifespan and can operate reliably over an extended period, reducing the need for frequent maintenance and replacement.
- High Accuracy: Achieves high measurement accuracy, with an accuracy of ±0.5%FS for ranges greater than 1m and ±1%FS for a range of 1m, providing precise data for liquid level monitoring.
- Low Power Consumption: Operates with low power consumption, making it energy-efficient and suitable for applications where power supply may be limited or where energy conservation is a concern.
| Basic Parameter |
Index |
| Detection Range |
0～1m…5m…200mH₂O |
| Output |
4-20mA; RS485 |
| Accuracy |
±0.5%FS(Range>1m); ±1%FS（Range=1m） |
| Temperature Drift |
35kPa：±2%FS(0℃～60℃） Others：±1.5%FS(-20℃～85) |
| Working Temperature |
-20℃～85℃ |
| Environment Temperature |
-20℃～85℃ |
| Storage Temperature |
-40℃～125℃ |
| Response Time |
≤1ms |
| Lifespan |
≥1×10⁶ Pressure Cycle |
| Vibration |
20g（20～5000HZ) |
| Shock |
100g（11ms） |
| Insulation |
200MΩ/250VDC |
| Long term Stability |
±0.2%FS/Year |
| Media Compatibility |
Various media compatible with 304 stainless steel |
| Protection Level |
IP68 |
| Cable Material |
Polyurethane (1m Cable in default) |
Please note that product descriptions and specifications are subject to change without prior notice. For the most up-to-date information, please contact us before placing orders.
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