| Operating temp. & RH | 5ºC ~ 40ºC, Below 80%RH. |
| Storage temp. & RH | -10ºC ~ 60ºC, below 70%RH. |
| Display | 3-1/2 Digits Backlit LCD with Maximum Reading 1999. |
| Sampling Time | Approx. 0.25 Second |
| Resolution | 1W/m2 1BTU / (ft2 *h) |
| Accuracy | < ±3/year. |
| Over-input | Display shows “OL”. |
| Range | 1999W/m2, 634 BTU / (ft2 * h). |
| Size | 162(L) x 63(W) x 28 (H)mm |