EKO MS-802 - Specifications; Pyranometer Specifications

EKO INSTRUMENTS CO., LTD. - Pyranometers MS-802/802F/402/402F/602 - Instruction Manual Ver.13
Pg. 20
7. Specifications
7-1. Pyranometer Specifications
1. 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 norm. Other specifications are listed on
the Table 7-2.
The content of the characteristic item is partly changed from ISO 9060:1990. Please also refer to "A-2.
Pyranometer Characteristics".
Characteristics
Class A
MS-802/
802F
Class B
MS-402/
402F
Class C
MS-602
ISO9060: 2018
Class A
Class B
Class C
(ISO9060: 1990)
---
(Secondary
Standard)
---
(First class)
---
(Second class)
Spectrally flat
---
〇
---
〇
---
〇
Response time
(95% output)
＜10 Sec
Approx.
5 Sec
＜20 Sec
Approx.
8 Sec
＜30 Sec
17 Sec
Zero off-set A
-200W/m
2
±7 W/m
2
±6 W/m
2
±15 W/m
2
±6 W/m
2
±30 W/m
2
±10 W/m
2
Zero off-set B
5K/hr
±2 W/m
2
±2 W/m
2
±4 W/m
2
±2 W/m
2
±8 W/m
2
±6 W/m
2
Total zero off-set c
±10 W/m
2
±8 W/m
2
±21 W/m
2
±8 W/m
2
±41 W/m
2
±16 W/m
2
Non-stability
±0.8 %/1yr
±0.5 %/yr
±1.5 %/yr
±0.5%/yr
±3 %/yr
±1.7 %/yr
Nonlinearity
±0.5 %
±0.2 %
±1 %
±0.2 %
±3 %
±1.5 %
Directional response
±10 W/m
2
±10 W/m
2
±20 W/m
2
±20 W/m
2
±30 W/m
2
±25 W/m
2
Spectral error
±0.5 %
±0.1%
±1%
±0.1%
±5%
±0.1%
Spectral selectivity
±3 %
±1 %
±3 %
±1 %
±3 %
±1 %
Temperature response
-10 to +40℃
±1 %
±1 %
±2 %
±1 %
±4 %
±2 %
Tilt response
±0.5 %
±0.2 %
±2 %
±0.2 %
±5 %
±2 %
Table 7-1. Pyranometer specifications