EKO INSTRUMENTS CO., LTD. MS-56 Pyrheliometer Manual Ver.5
Pg. 19
7. Specification
7 - 1 . Sp e c i f i c a t i o n s
Table 7-1 Specification: Specifications are indicated as typical values.
Specification
MS-56
ISO 9060
First Class
WMO
Good Quality
Response time (95%)
< 1 s
< 20s
< 30s
Non-Linearity (100
– 1000 W/m
2
)
< +/- 0.5 %
< +/-0.5%
< +/- 0.5 %
Zero Offset (response to 5 K/h change in
ambient temperature)
< +/- 1 W/m
2
< +/- 3 W/m
2
< 4 W/m
2
Spectral Selectivity
(350 to 1500 nm
ISO
/3000 nm
WMO
)
< +/- 1 %
< +/- 1 %
1 %
Tilt response
< +/- 0.2 %
< +/- 0.5 %
0.5 %
Temperature Dependency
(-20 to + 50°C / @ 20°C)
< +/- 0.5 %
< +/- 2 %
( For 50
℃
band)
< 2%
( For 50
℃
band)
Non Stability (Change per year)
< +/- 0.5 %
< +/- 1 %
< +/- 0.5 %
Expected Daily Uncertainty
< +/- 1 %
- - -
< +/- 1 %
Irradiance Range
0
–2000W/m
2
- - -
- - -
Spectral Range (FWHM)
200
–4000nm
- - -
- - -
Sensitivity
Approx.
10μV/W
･
m
-2
- - -
- - -
Detector Impedance @ 25°C
Approx.5 kOhms
- - -
- - -
Operating Temperature
-40 to +80 °C
- - -
- - -
Ingress Protection Rating
IP 67
- - -
- - -
Low Voltage Regulations
IEC 61326-1-2006
- - -
- - -
Compliance
CE Compliant
- - -
- - -
Outer Dimensions (Length x Diameter)
217mm x 55mm
- - -
- - -
Cable Length (Standard)
10 m
- - -
- - -
Weight (Including 10m cable)
0.6kg (1.6 kg)
- - -
- - -
Heater power for optional window heater
to prevent dew deposition
DC12V / 0.5W
- - -
- - -
Calibration Traceability (ISO 9847)
WRR
- - -
- - -
Recommended Recalibration Interval
Every 2 years
- - -
- - -
Sensor for Temperature Measurement
(Internal Temperature Measurement)
- Pt100 Class A,
IEC751 Compliance
- Thermister 44031,
10k
Ω@25
℃
- - -
- - -
