1. Met Values Monitoring at Graz • Monitoring Met Values • at SLR Graz Eastbourne, October 2005

2. 2 Sensors for each Met Value • Dedicated PC for MET data handling / storing; • Reads all Met Sensors in 1-Minute-Intervals; stores data; • 2 Sensors each for Pressure, Temperature, Humidity; • Met3A (ParoScientific; P/T/H) on Roof of observatory; • 2nd Pressure Sensor (DigiQuarz) in Laser Room; • 2nd Temperature Sensor: Outside of Laser Room; • 2nd Humidity Sensor: Outside of Laser Room; • Different Locations: Cause slightly differing results; • Only Met3A Values used for SLR; • 2nd sensors used to MONITOR PRIMARY SENSORS ! Eastbourne, October 2005

3. 2 Sensors for Pressure Outliers due to wind

4. 2 Sensors for Temperature

5. 2 Sensors for Humidity

6. Temp Diffs vs. Temperature

7. Press Diffs vs. Temperature

8. Hum Diffs vs. Temperature