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MD-S271HT Wireless Temperature and Humidity Sensor
MD-S271HT Wireless Temperature and Humidity Sensor
Product details
The MD-S271 wireless sensor is a wireless instrument that separates the sensor probe from the intelligent terminal design. It can be equipped with various sensor probes such as water pressure, air pressure, liquid level, water immersion, vibration, temperature and humidity.
This series of products is powered by batteries, Power supply or dual power supply can also be used, making battery replacement convenient and expanding battery capacity and quantity according to working conditions.approveselectUsing 4G/LORa/LORaWAN/NB-IoT and other wireless transmission methods.
This series of productsEquipped with installation brackets, the designed load-bearing strength is better than 200kg, and it can be installed on walls, buried underground, and in complex working conditions such as fire wells and rainwater wells.
Product application:
◇ Fire protection pipeline network◇ Heating
◇ Fire pump room◇ Fire pump room
◇ Rainwater and sewage wells
☆ 4G/LORa/LORaWAN/NB iot wireless transmission method
☆Remote parameter setting and remote software upgrade function
☆Can be equipped with various sensor probes such as liquid level, pressure, water immersion, temperature and humidity, vibration, temperature, etc
☆Ultra low power design, lithium battery power supply
☆Waterproof design, can be used for long-term underwater and underground conditions
PRODUCT FUNCTION
☆Multiple unit switching, high and low alarm values can be set, and messages can be sent in real-time
☆Wireless transmission function
☆Power on/off function
☆Remote configuration or key settingIP address, alarm point, upload frequency, etc. (4G/NB)
☆Equipped with gatewayIt can achieve pressure monitoring (LORa) within the local area network
Output signal 4G/LORa/LORaWAN/NB iot
Supply voltage 3.6V
Measurement range (humidity) 0~100% RH
Measurement range (temperature) -40~+80 ℃
Humidity accuracy ± 3% RH (5-90% RH)
Temperature accuracy ± 0.2 ℃ (25 ℃)
Resolution Temperature: 0.1 ℃ Humidity: 0.1% RH
Long term stability (temperature)<0.2 ℃/year
Long term stability (humidity)<0.5% RH/year
Installation method: Wall mounted
Response time Temperature: 5s Humidity: 8s 1/e (63%)
Probe installation method: split type
Product Function Comparison
Transmission method 4G LORa NB iot
Low and high peak power consumption
The transmission distance depends on the existing operator base station and is better than 3km depending on the NB base station
Gateway configuration without LORa gateway
Networking time 20 seconds 5 seconds 5 seconds
Reference to local operator tariff standards, no reference to local operator tariff standards
Product features: IP address and port can be set with high and low alarm points
High and low alarm points can be set with sensors, and the collection frequency can be set with sensors
The sensor acquisition frequency can be set to the upper frequency, which can be set to the upper frequency
The upload frequency can be set to query the working status
Work status inquiry
Message format customizable Message format Transparent transmission protocol Customized message format
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