Equipment and Calibration History

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View history entry 30 for Vaisala HMP45A sn: U2120013

Date: 2009-12-21
From: Lab - none
To: Lab - none
Title: Tested
Notes: Tested on a CR1000 against an HMP45AC (sn U3030041) freshly returned from Vaisala factory calibration. See file HMP45A_CalCheck.xls. The comparison was for a very small range of temperatures ove a short time but; Air Temperature: y = 0.7425x + 4.8166 R2 = 0.9972 Relative Humidity: y = 0.99x - 1.4165 R2 = 0.9986
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