RPO ATTEX LLC

RPO ATTEX LLC

- Model MTP-5HE - Microwave Radiometer

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MTP 5-HE (Extended range) was developed for locations where the urban / industrial area lies in a valley or close to mountains and inversions up to 1000 m can cause problems. In order to measure to 1000 m a more sensitive and narrower bandwidth design of microwave radiometer is used and the frequency is slightly shifted to 'see' further in the atmosphere. A consequence of this is that the altitude resolution and the temperature accuracy are not quite as good as the MTP-5H and there is some reduction in accuracy in heavy rain or fog.

Typically, temperature inversions that cause bad air quality events occur well below 600m, if they are higher than this there is not normally a problem. However, in a valley or close to mountains, higher inversions can trap pollutants over the urban or industrial area.

MTP 5-HE is the 'extended range' version of the MTP-5H and has similar design and features. However, it measures up to 1000 m by using a more sensitive and narrower bandwidth design of microwave radiometer with the frequency slightly shifted to 'see' further into the atmosphere. A consequence of this is that the altitude and temperature accuracies are not quite as good as the MTP-5H and there is some further reduction of accuracy in heavy rain or fog.

  • Altitude range: 0 to 1000 m
  • Displayed height interval: 25-50 m
  • Altitude accuracy: ±25 %
  • Minimum measurement interval Temperature accuracy, RMS: 180 s 0.2° to 1.2° or better
  • Central measurement frequency: 56.7 GHz
  • Receiver sensitivity: 0.07°
  • Power requirements MTP-5: 12 VDC / 120 W
  • Operating temperature range: -40° to +50°

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