等级/ISO 9060 classification

次基准

/Secondary

次基准/Secondary

一级/First

一级/First

二级/Second

响应时间/Response time 95% (sec)

< 0.5

< 5

< 8

< 18

< 17

热辐射偏移（零偏移A）/Zero offset -Thermal   radiation (200W/m2)

< 1W/m2

+ 6W/m2

+ 6W/m2

+ 6W/m2

+ 10W/m2

温度偏移（零偏移B）/Zero offset -Temperature   change (5K/hr)

<1W/m2

< 2W/m2

< 2W/m2

< 2W/m2

< 6W/m2

非稳定性/Non-stability (change/year)

0.5%/5year

< 0.5 %

< 0.5 %

< 1.5 %

< 1.7 %

非线性误差/Non-linearity (at 1000W/m2)

<0.2 %

< 0.2 %

< 0.2 %

< 1 %

< 1.5 % 

方向响应/Directional response(at 1000W/m2)

< 10W/m2

< 10W/m2

< 20W/m2

< 20W/m2

<25W/m2 

光谱选择/Spectral selectivity(0.35-1.5μm)

<3 %

< 1 %

< 1 %

< 1 %

< 1 % 

温度响应/Temp. response(for 50°C   band)

< 1 %

< 1 %

< 1 %

< 2 %

< 2 % 

倾斜响应/Tilt response(at 1000W/m2)

<0.2 %

< 0.2 %

< 0.2 %

< 2 %

< 2 % 

灵敏度/Sensitivity(μV/W/m2)

Approx. 10

Approx. 7

Approx. 7

Approx. 10

Approx. 7 

阻抗/Impedance (Ω)

Approx. 45000

Approx. 500

Approx. 500

20 - 140

20 -140 

操作温度/Operating temperature(°C)

- 40to +80

- 40 to +80

-40to+80

-40to+80

-40to +80

光谱范围/Wavelength range in nm(> 50%transmittance)to

280to 3000

280 to 3000

280to3000

280to

3000

280to3000

测量范围/Irradiance range (W/m2)

0 to 4000

0 to 4000

0 to 4000

0 to4000

0 to 4000

输出/Output

0-40mV/4-20mA/RS485

0-40mV

0-40mV

0-40mV

0-40mV