| model |
ST530 |
| sensor |
Hight sensitive silicon photodiode |
| filter |
Daylight filter |
| Spectral Response |
400~1100 nm |
| range |
0~2000 W/m2(0~634 BTU/(ft2xh)) |
| Accuracy (at 25 ° C 60% RH) |
Typically within ±10 W/m2(±3 BTU/(ft2xh) or ±5% whichever is greater |
| resolution |
0.00~99.99 W/m2: 0.001 W/m2; 100.0~999.9W/m2: 0.01 W/m2; 1000~2000W/m2: 1 W/m2
0.00~99.99 BTU/(ft2xh): 0.01 BTU/(ft2xh); 100.0~634.0 BTU/(ft2xh): 0.1 BTU/(ft2xh)
|
| Angle accuracy |
Cosine calibration < 5% (angle < 60°) |
| operating environment |
0~50°C (32~122°F), Less than 80% RH |
| Environment |
-10~60°C (14~140°F), Less than 85% RH |
| Max/Min/Avg |
Yes |
| Read value lock |
Yes |
| Automatic shutdown |
Yes |
| Low voltage warning |
Yes |
| Backlight function |
Yes |
| Zero function |
Yes |
| Overload indication |
Yes ('- HI -') |
| memory |
Yes (20 points) |
| Tilt angles measurement |
Yes |
| compass |
Yes |
| Solar energy transmission measurement |
Yes |
| Tripod installation |
Yes |
| size |
Main Instrument: 140 x 49 x 29 cm (5.51 x 1.93 x 1.14 inch)
Sensor Probe: 83 x 54 x 26 cm (3.27 x 2.13 x 1.02 inch)
|
| weight |
210 g (7.41 oz.) without battery |
| attachment |
9V Battery, Carrying case, Instruction Manual |