| Light sensor element |
Silicon photodiode (Light sensor surface diameter 0.9 mm) |
| Measurable wavelength range |
400 nm to 1100 nm |
| Directly-readable wavelength |
633 nm (HeNe laser)
Others measurable with typical conversion factors |
| Display |
| Digital display: |
3999 full scale |
| Bar graph display: |
42-segment display |
|
| Over range indicator |
"4000" with the most significant digit blinking |
| Low battery indicator |
Blinking "BT" appears when batteries need replacing |
| Sampling rate |
| Digital display: |
Approx. 2 times/sec. |
| Bar graph display: |
Approx. 20 times/sec. |
|
| Measuring ranges |
| 40 µW range: |
0.01 µW to 39.99 µW |
| 400 µW range: |
0.1 µW to 399.99 µW |
| 4 mW range: |
0.001 mW to 3.999 mW |
| 40 mW range: |
0.01 nW to 39.99 mW |
|
| Measuring accuracy |
± 5% (in 4 mW range @ ref. wavelength of 633 nm & 1 mW)
Temperature:73° F ± 4° F (23° C ± 2° C) |
| Display functions |
MIN Hold function, MAX Hold function
Auto Power Save function (30 min. after operation) |
| Battery type |
SR-44 or RL-44 x 2 |
| Power consumption |
Approximately 6 mW |
| Operating environment |
| Temperature: |
32° F - 104° F (0° C - +40° C) |
| Humidity: |
80%RH or less (noncondensing) |
|
| Storage environment |
| Temperature: |
14° F - 122° F (-10° C - +50° C) |
| Humidity: |
80%RH or less (noncondensing) |
|
| Main body dimensions & weight |
4-5/8" x 3" x 3/4", ~ 4 oz. (117 x 76 x 19 mm, ~120 g) |
| Light sensor probe |
3 1/4" x 5/8" x 3/8" (83 x 16 x 10 mm) |
| Sensor cord length |
Approx. 20" (0.5 m) when extended |
| Provided accessories |
Instruction manual |
