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RF In/Outdoor Thermo-hygrometer

Design Intro:

A central monitor unit receives digital data from multiple remote sensor modules. The temperature/humidity data processed from indoor and outdoor sensors are displayed on LCD panel.

Design Features:

The design has accompanied with some user-defined features as follows:

  • High/ Low alert setting function;
  • Memory for maximum and minimum parameter indication;
  • Data renewed in one minute.

Design Principle:

Product Specifications:

General

Operation Voltage

5V (can use AC-DC transformer)

Current Consumption

Operation mode: 10mA average
     Standby mode: <10uA

Operating Conditions

Temperature: 0 to 50 ºC

Wireless RF Communication
Modulation Type ASK
Carrier Frequency 315 MHz /434 MHz for data communication
Operation Conditions Distance: 100 meters (open area)
Channels 1 transmitter Vs 3 receivers
Humidity/Temperature Measure
Sensor Type Temperature: 103AT-2B or compatible
      Humidity: C5-M3 or compatible
Measuring Range Temperature: -40ºC to 70ºC
      Humidity: 20% to 99%
Display Resolution Temperature: 0.1ºC
      Humidity: 1%
Accuracy Temperature: ±1ºC
      Humidity: ±5%

 

 

 

 

 

 

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