- Features
- Specifications
- Product Dimensions
- Wiring Guidance
- Applications
- Data Conversion Method
- Attentions
- Warranty
- FAQ
- Reviews
- Super cost-effective, wide voltage design
- Digital linearization correction, high precision, high stability
- Optional measurement range, wide temperature and humidity measurement range, full range temperature compensation
- Flexible installation and easy to use
- Small size, light weight, anti-vibration
- Multiple shapes can be customized to meet your different needs
Temperature range | -40~80℃ by default (other be customized) | Humidity range | 0-100%RH (Non-condensing state) |
Accuracy | ±0.2℃(at 25℃) ±3%RH(10%~90%) | Repeatability | ±0.1℃; ±0.1%RH |
Long-term stability | <0.04℃/year <0.5%RH/year | Supply voltage | 10~30V DC |
Output signal | A: Voltage signal (0~2V/ 0~5V/0~10V) | ||
B: 4~20mA (current loop) | |||
C: RS485 (standard Modbus-RTU protocol, device default address: 01) | |||
Response time | <1S | Working environment | Temperature:-55~120℃ Humidity: ≤95%RH |
Load capacity | Output resistance ≤ 250Ω(Voltage output) | ||
≤600Ω(Current output) | |||
Protection | IP65 | Weight | About 126g |
The air temperature and humidity sensor can be connected to various data collectors with differential inputs, data acquisition cards, remote data acquisition modules and other equipment. The wiring instructions are as follows:
Widely used in building automation, telecommunications room, papermaking, warehousing and logistics, shopping malls, hotels, cinemas, railway stations, museums, theaters, agricultural greenhouses, hospitals, meteorology, clean workshops and other fields that need to measure air temperature and humidity.
T: Temperature, unit: ℃
H: Humidity, unit: %RH
V: Voltage value collected by collector, unit: V
A: Current value collected by collector, unit: mA
Output Signal | Temperature Conversion (at -30~70℃) | Humidity Conversion |
0~2V DC | T=50*V-30 | H=50*V |
0~5V DC | T=20*V-30 | H=20*V |
0~10V DC | T=10*V-30 | H=10*V |
4~20mA | T=6.25*A-55 | H=6.25*A-25 |
RS485 signal (default address 01):
Standard Modbus RTU Protocol, Baud Rate: 4800; Parity bit: None; Data Bits: 8; Stop Bits: 1
① Modify Address
For example: Change the address of the sensor with address 1 to 2, Host → Slave
Original address | Function Code | Initial Register high | Initial Register low | Initial Address high | Initial Address low | CRC16 low | CRC16 high |
0X01 | 0X06 | 0X07 | 0XD0 | 0X00 | 0X02 | 0X08 | 0X86 |
If the sensor is received correctly, the data will be returned in the same way.
Remarks: If you forget the original address of the sensor, you can use the broadcast address 0XFF instead. When using 0XFF, the host can only connect to one slave, and the return address is still the original address, which can be used as an address query method
② Query data
Query the data(temperature, humidity) of sensor (address 1), Host → Slave
Address | Function Code | Initial Register high | Initial Register low | Register Length high | Register Length low | CRC16 low | CRC16 high |
0X01 | 0X03 | 0X00 | 0X00 | 0X00 | 0X02 | 0XC4 | 0X0B |
If the sensor receives correctly, the following data is returned, Slave→Host
Address | Function Code | Data length | Register 0 data high | Register 0 data low | Register 1 data high | Register 1 data low | CRC16 low | CRC16 high |
0X01 | 0X03 | 0X04 | 0XFF | 0XDD | 0X01 | 0X64 | 0X5A | 0X66 |
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| Temp.:-3.5℃ (Minus is complement representation) | Humidity:35.6%RH |
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(1) When you receive the product, please check whether the packaging is in good condition, and check whether the sensor model and specification are consistent with the product you purchased.
(2) The installation place should be far away from chemical corrosion environment.
(3) Sensors and wires should be kept away from high-voltage electricity, heat sources, etc.
(4) The sensor is a precision instrument and should be stored in a dry, ventilated, room temperature indoor environment.
(5) The sensor is a precision device, please do not disassemble it by yourself when using it, so as not to cause product damage.
The instruments are guaranteed by the user for one year from the date of delivery, provided that the rules of use and protection are observed. After one year, maintenance will be carried out in our company. The company welcomes letters and calls from users at any time for consultation and suggestions.
Q: Is there any stock? A: Yes, we have finished and semi-finished products in stock, samples can be ready to ship after the assemble and calibration.
Q: How to track my order? A: You will be informed the tracking information by email or online after the sensors are sent.
Q: How about the warranty ? A: Usually 1.5 years, and lifetime maintenance. If any exceptional, we will let you know in advance before you order.
Q: How about after-sales service? A : We are 24 hours online, if you have any problem,pls contact us directly, Whatsapp:+86-13262672787Email:info@xdbsensor.com
Q: Any discount? A: For bulk purchase or distribution agents, we will apply for the best price for you, and if we have any promotions, we will post in store and send you an email to inform you.
Q: How is the price? A: As a matter of fact, the quality is related to the price. What we can do is that our prices are the best and most competitive based on the same quality. And they are with the highest performance ratio.
Q: Could you provide me the shortest lead time? A: We have raw materials in stock for most products, if you have the urgent requirement, pls let us know and we will strive to satisfy you well.
Q: Could I visit your factory? A: Of course, welcome to our factories when you are convenient.
Q: Can you accept ODM & OEM service ? A: Yes, ODM & OEM are no problem. Please let us know your requirement in details.
Q: What kind of products do you offer ? A: XIDIBEI develops and manufactures reliable, high quality standard pressure sensors, pressure transmitters, differential pressure transmitters, pressure switches pressure control, temperature control devices offering innovative solutions and components able to outfit at best machines and production systems and give a single answer to any requirements in pressure control systems.
Q: Are you manufacturer ? A: Yes, we are a professional manufacturer of sensors and transmitters with 2 factories.
Q: Is this product suitable for all media? A: According to different application environments, we can provide different solutions, so the more detailed parameters you supply, the more suitable solutions you will get.
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