Calibration Interval

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Summary of Calibration interval for the different counties :

Country Type VOS Pressure Humidity Temperature Wind SST Comment
France AWS 2 years 1 year No calibration No calibration No calibration  
France Manual 2 years 1 year No calibration No calibration No calibration  
E-Surfmar AWS 2 years on Batos, no calibration on Baros 1 year No calibration No calibration No calibration  
Germany AWS 18 month for AIR, 24 month for Vaisala PTB 1 year 5 years (PT100) 2 years 10 years (PT100)  
Netherlands Manual Vaisala PTB 220 and PTB 330: 38 Months, Fuess aneroid barometer : 26 Months, Fuess aneroid barograph : no calibration No calibration No calibration No calibration No calibration  
Netherlands AWS (expected) Vaisala PTB 220 and PTB 330: 38 Months E+E humidity : 14 Months E+E PT1000 : 14 Months not yet decided not yet decided  
UK Manual PAB, Vaisala PTB 220 and PTB330: 3 years No calibration Temperature: Liquid in glass: 3 years / handheld Rotronic Hygropalm: 1 year No calibration No calibration  
UK AWS Vaisala PTB 110 and PTB330 – 3 years Rotronic HC2 – 1 year; Vaisala HMP110 – 18 months Temperature: Rotronic HC2 – 1 year; Vaisala HMP110 – 18 months No calibration No calibration