Calibration report (Example):

project:	Wind Monitoring
instrument:	EKO 21N
ser. nr:	280501
date:	25 july 2008
range:	0 to 50 m/s
channel:	Wind speed 1

calibration data anemometer MAX40+ (refer supplied MEASNET certificate)

calibration accuracy:	0.1 m/s
anemometer serial nr:	990405

calibration data of certificate:

wind speed	pulsfrequency
(m/s)	(Hz)
4,12	4,94
5,91	7,25
10,05	12,58
15,91	20,25

Calibration of EKO 20:

	corresponding	EKO 20	deviation
input eq.	wind speed *)	windspeed
pulsfrequency
(Hz)	(m/s)	(m/s)	(m/s)
4,94	4,12	4,14	-0,02
7,25	5,91	5,94	-0,03
12,58	10,05	10,04	0,01
20,25	15,91	15,94	-0,03

Calibration EKO 20

With testplug A20:

25,01 m/s and 178,50

Authorization by EKOPOWER:


Marcel Teuwens (calibration officer)