EKO MS-80 - Specifications; Pyranometer Specifications

EKO INSTRUMENTS CO., LTD. - Pyranometer MS-80/80S/80U - Instruction Manual Ver. 1
Pg. 36
7. Specifications
7- 1. Specifi cati ons
1. Pyranometer Specifications
The comparison table below, Table 7-1, shows typical values for the characteristic parameters of the EKO
Pyranometers and the corresponding values of the ISO 9060: 2018 standard. The content of the characteristic item
is partly changed from ISO 9060: 1990. Please also refer to "A-2. Pyranometer Characteristics List".
Table 7-1. Pyranometer specifications
Characteristics
MS-80 / MS-80U MS-80S
ISO9060: 2018 Class A
[ISO9060: 1990] [Secondary Standard]
Spectrally flat Compliant Compliant
Fast response Compliant Compliant
Response time
95% output
＜10 Sec ＜0.5 Sec ＜0.5 Sec
Response time
99% output
--- ＜1 Sec ＜1 Sec
Zero off-set (a)
-200W/m
2
±7 W/m
2
±1 W/m
2
±1 W/m
2
Zero off-set (b)
5K/hr
±2 W/m
2
±1 W/m
2
±1 W/m
2
Total zero off-set (c) ±10 W/m
2
±2 W/m
2
±2 W/m
2
Non-stability ±0.8 %/1yr ±0.5 %/5yrs ±0.5%/5yrs
Nonlinearity ±0.5 % ±0.2 % ±0.2 %
Directional response ±10 W/m
2
±10 W/m
2
±10 W/m
2
Spectral error ±0.5% ±0.2% ±0.2%
Spectral selectivity ±3 % ±3 % ±3 %
Temperature response
-10 to +40℃
±1 % ±1 % ±0.5 %
Temperature response
-20 to +50℃
--- ±1 % ±0.5 %
Tilt response ±0.5 % ±0.2 % ±0.2 %
Additional signal
processing error
±2 W/m
2
--- ±1 W/m
2