The commonly used communication method for data acquisition and control is RS485. RS485 is a general communication standard. It can
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Temperature and humidity sensor
RS-WS-*-2D-EX temperature humidity sensor is a device used to measure temperature and relative humidity in the air, with an accuracy of ±0.4°C (25°C), ±2%RH(60%RH, 25°C). Optional signal output (RS485, 4-20mA, 0-5V, 0-10V), optional LCD liquid crystal display. Can be used with relays.
- Model: RS-WS-*-2D-EX
- MOQ: 1 PCS
- Delivery date: within 24 hours
- Price: $21~$24.1
About - Temperature Humidity Sensor
This compact temperature humidity sensor is designed to withstand various elements. The detachable high-strength waterproof housing protects the internal sensor from solid objects in contact with it. The transmitter can provide RS485 or analog temperature and humidity output signals. The transmitter is very suitable for temperature and humidity monitoring in public places such as industry or residential buildings. We offer two types for you to choose: temperature humidity sensor (RS-WS-*-2D-EX), LCD temperature humidity sensor (RS-WS-*-2D-LCD-EX).
RS-WS-*-2D-EX
This RS-WS-*-2D-EX temperature humidity sensor has a fully enclosed design with a protection level of IP65, effectively
avoiding the corrosion of the sensor module by moisture, smoke, and dust in the air. It can be used in harsh environments for a long time.
Output signal: RS485/4-20mA/0-5V/0-10V
Price: $25.2
RS-WS-*-2D-LCD-EX
This temperature humidity sensor is based on the RS-WS-*-2D-EX transmitter with an LCD display, which can directly read the current temperature and humidity values. There are four keys at the bottom to manually set the temperature and humidity calibration values, communication address, baud rate, and device password.
Output signal: RS485/4-20mA/0-5V/0-10V
Price: $30.5
Temperature and Humidity Sensors Datasheets
| Power supply | DC 10~30V | |
| Temperature range | -40℃~+80℃ (-40℃~+120℃ optional) | |
| Humidity range | 0%RH-100%RH | |
| Precision | Built-in probe | ±0.5℃ (25℃), ±3%RH (60%RH,25℃) |
| External probe | ±0.4℃ (25℃), ±2%RH (60%RH, 25℃) | |
| Resolution | 0.1℃, 0.1%RH | |
| Circuit working environment | 20℃~+60℃, 0%RH~95%RH (non-condensing) | |
| Long term stability | Temperature | ≤0.1℃/y |
| Humidity | ≤1%RH/y | |
| Response time | Temperature | ≤25s (1m/s wind speed) |
| Humidity | ≤8s (1m/s wind speed) | |
| Hole size | 70mm | |
| Output signal | RS485, 4-20mA, 0-5V, 0-10V | |
Features
- Using high-precision temperature and humidity measurement unit, long-term stability is good, and drift is small.
- 10~30V wide voltage range power supply.
- Easy to install, can be wall-mounted or rail-mounted.
- High anti-dust protection level (IP65).
- Optional LCD liquid crystal display, beautiful and generous.
- Offer free data platform for remote monitoring, you can view data through PC or APP.
Video
The appearance of this temperature humidity sensor is popular in the market, and the housing material is sturdy and has a long service life. We are the manufacturer of RS-WS-*-2D-EX temperature humidity sensors, and we will offer you the most competitive price. Contact us now.
Accessories - Temperature Humidity Sensor
Hardcover temperature and humidity sensor probe
USB to RS485 converter (for optional)
Expansion plug*2
Self-tapping screw*2
485 terminal resistance (multiple devices can be presented as a gift)
Others- Temperature Humidity Sensor
FAQ - Temperature and Humidity Sensor
Renke is a 15 years brand manufacturer. The leader in temperature and humidity sensing. We offer OEM service and support customization. Advanced technology for temperature humidity measure. We have RS485, analog, WIFI output RH & temperature sensors. Wide types of temperature instruments for your choice. Support PC and APP for the remote monitor.
The RS485 output mode can directly read the data through the 485 software, or connect the network collector to view the data remotely through the cloud platform. The analog output can be connected to PLC or other collectors owned by the customer to view the data.
This temperature and humidity sensor has two installation methods:
Wall mount
There is a slide rail mounting plate on the back of the transmitter, remove the mounting plate first. There are two expansion plugs and two self-tapping screws in the accessories. First, punch two holes with a diameter of 5mm and a depth of ≥30mm on the wall (the hole spacing is 70mm). After inserting the expansion plug, fix the slide rail mounting plate on the wall with self-tapping screws, and finally, slide it into the transmitter.
Slide rail installation
The back of the sensor is equipped with a slide rail mounting plate, remove the mounting plate first. The transmitter slides directly into a standard 35 rail.
Different sensors have the following errors according to the model of temperature and humidity sensor:
In the environment of humidity (60%RH, 25℃), the error is ±2-3%RH
Under the environment of humidity of 25℃, the error is ±0.4-05℃
- Analog temperature and humidity sensor
The digital integrated sensor is used as the probe and the digital processing circuit is used to convert the temperature and humidity in the environment into the corresponding standard analog signal, 4-20mA, 0-5V or 0-10V. Analog temperature and humidity sensors can simultaneously convert changes in temperature and humidity values into changes in current/voltage values. - RS485 Temperature and Humidity Sensor
The output signal type is RS485, which can reliably conduct distributed monitoring with the host computer system, and can communicate up to 2000 meters. The standard Modbus protocol supports secondary development. - Network temperature and humidity sensor
The network temperature and humidity sensor can collect temperature and humidity data and upload it to the server through Ethernet/WiFi/GPRS. Make full use of the established communication network to realize long-distance data collection and transmission, and realize centralized monitoring of temperature and humidity data.
- The built-in probe cannot see the sensor from the outside, so the appearance is naturally more generous and beautiful. The built-in probe has extremely low power consumption, and can also reduce the influence of external factors such as aging, vibration, and volatile chemical gases on the sensor to ensure its good stability. One-piece installation, suitable for measuring the entire ambient temperature.
- External probe refers to the temperature and humidity sensor outside the instrument body. The advantage of the external probe is that the measurement range will be wider than that of the built-in sensor, because the sensor is not together with the display and the circuit part. It is suitable for measuring relatively small spaces, such as drying boxes, constant temperature and humidity boxes, refrigerators, etc.
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