Table of Contents In your daily life and work, have you ever felt troubled by unsuitable temperature or humidity levels? Whether you’re an engineer
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Long-Stem Temperature and Humidity Probe
This long temperature and humidity probe features a stainless steel mesh filter that effectively protects against airflow impact and electrostatic interference. It is equipped with a high quality built-in chip to ensure high measurement accuracy. The probe includes current protection to prevent damage caused by reverse or incorrect power connections. It suitable for temperature and humidity measurement inside ducts or pipelines.
- Model: RS-WS-N01-9L-EX
- MOQ: 1 PCS
- Delivery date: within 24 hours
- Price: $17
About - Long-Stem Temperature and Humidity Probe
This long-stem temperature and humidity probe manufactured by our company uses RS485 signal output with a standard Modbus RTU protocol. The communication address and baud rate are configurable. It integrates dedicated EMC anti-interference components, allowing stable operation even in strong electromagnetic environments, and is paired with an industrial grade processing chip for wide application compatibility. This probe supports a wide power supply range of 10~ 30 V, ensuring reliable operation even with long-distance centralized power supply.
Features
This long-stem temperature and humidity probe is specifically designed for duct and pipeline measurements. It integrates an imported temperature and humidity sensing element with low drift and high accuracy. The probe is equipped with a flange for easy installation and removal while ensuring reliable sealing performance. An anti-interference circuit design enables stable operation in environments with strong electromagnetic interference, such as variable frequency drives. The probe features a waterproof housing, and the filter is made of high-strength 25 μm stainless steel mesh, allowing gas molecules to pass through while effectively blocking dust particles and water droplets. It is well suited for humid and high-dust applications, offering long-term durability and reliability.
Parameters
| Power supply | 10~30V DC |
|---|---|
| Maximum power consumption | 0.048W |
| Component temperature and humidity resistance | -40℃~+80℃, 0%RH~95%RH (non-condensing) |
| Accuracy | ±0.5℃ (25℃), ±3%RH (60%RH, 25℃) |
| Resolution | 0.1℃, 0.1%RH |
| Temperature and humidity refresh time | 1s |
| Output signal | RS485 |
| Long-term stability | Temperature: ≤0.1℃/y, Humidity: ≤1%RH/y |
| Response time | Temperature: ≤25s (1m/s wind speed²), Humidity: ≤8s (1m/s wind speed²) |
| Parameter settings | Software-configurable |
Advantages
This long-stem temperature and humidity probe is ideal for measuring air ducts, flue gas pipelines, enclosed containers, and HVAC air inlet and outlet ducts. With a waterproof and dustproof design, it is suitable for long term use in industrial environments. It features a tubular probe with a flange, allowing direct installation on the outer wall of the duct. The sensor outputs the temperature and humidity values inside the duct via an RS485 signal.
Application
- High interference environments: The signal remains stable even in environments with electrical cabinets and multiple variable frequency drives.
- High dust environments: The probe is specially treated for effective water and dust protection and can operate reliably even in heavy dust conditions.
- Ultra low temperature environments: The probe is capable of operating at temperatures as low as -40°C while maintaining long term stability in continuous low temperature conditions.
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