 | | | 
| Model | 225 (for short wavelength) |
|
| Calibrated Wavelengths(nm) | 660,780,820,850 |
|
| Measuring Range(dBm) | -70 to +14.7
(100pW to 3mW) |
|
| Internal modulation | Frequency 270Hz,2kHz±1.5% |
| Accuracy | ±0.20dB(±5%)
at 850nm,-20dBm |
|
| Analog output | 0 to 3V |
| Built-in sensor | Si photodiode
(8mm dia.) |
|
| Resolution | dBm:0.01dB; dB:0.001dB(>=-50dBm),0.01dB(<-50dBm) |
| Fiber type | POF,GI(850nm) |
|
| Functions | W/dB/dBm(REL), wavelength selection,auto-zeroing,
auto/manual range,average,data hold,
blank,internal modulation,etc |
| Display | 41/2digit LCD(30000 counts) |
| Power supply | Battery (UM-3)/4 pcs. or optional AC adapter |
| Battery life | 50 hours(at light source/backlight off) |
Operating
Environment | 0~40°C, 80% non-condensing |
| Dimension/Weight | 90(W)×190(H)×45(D)mm,450g |
|
|
