Technical Information

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TAHMO MicroEnvironment Monitor (MEM)

Station specifications:

Provided with solar charger for self-powered operation with 6-month backup battery

Hourly GPRS reporting with 5 minute readings

Soil moisture and groundwater sensors available upon request.

Sensor	Operating temperature range	Notes
Anemometer	-40 to 50 C	Maximum sampling speed: 1 Hz. Output: Avarage speed, gust speed, direction, or vector.
Rain gauge	0 to 60 C	Not suitable for snowfall measurement.
Pyronometer	-40 to 60 C	Spectral range: 380 to 1120 nm. Field of view: hemisperical, 180 C.
Barometer	-40 to 85 C	-500 m to 9,000 m above sea level.

Parameter	Range	Resolution	Accuracy
Wind speed	0 to 40 m/s	0.01 m/s	3 %
Wind direction	0 to 359 degrees	1 degrees	5 degrees
Temperature	-40 to 50 C	0.1 C	1.0 C
Relative humidity	0 to 100% RH	0.1% RH	3%
Vapor pressure	0 to 47 kPa	0.01 kPa	0.2 kPa
Precipitation	0 to 400 mm/hr	0.017 mm	5%
Solar radiation	0 to 1,750 W/m2	1 W/m2	5%
Barometric pressure	50 to 110 kPa	0.01 kPa	0.1 kPa

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Retweet on Twitter TAHMO Retweeted

TWIGA-H2020 @twigah2020·

17 Mar

The gateway to water, weather and climate data in Africa: HydroNET. A blog by @RianneGiesen

https://t.co/CdUpvasxvP

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Retweet on Twitter TAHMO Retweeted

TWIGA-H2020 @twigah2020·

9 Mar

Three new TWIGA blogs are online!

1. A look behind the scene (of project management)
2. Improper waste management caused floods
3. Low-cost GPS for rain forecasts

https://t.co/DRtzYImQP3

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