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| Field Measuring Instruments (For Field Measurement in Telecommunications) |
LASER LIGHT SOURCE
3662-20, 3663-20 |
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| Two types of laser light sources |
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- Compact size for easy handling
- Continuous or modulated light output
Continuous wave(CW) output or 3 types of modulated light output (270 Hz, 1 kHz, 2 kHz ) can be selected. |
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| Basic specifications |
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| Light-emitting element |
laser diode |
| Output connector |
FC, SC (using optional connector adapter) |
| Fiber type |
Single mode |
| Output mode |
Continuous wave (CW) or modulated light (270 Hz, 1 kHz, 2 kHz) |
| Output wavelength |
1310 ±20 nm (3663-20) 1550 ±20nm (3662-20) |
| Spectrum width |
5 nm max. |
| Output level |
-6 ±2 dBm |
| Output level stability |
Within ±0.1 dB (temperature constant, 5 minutes)
Within 1.0 dB p-p (ambient temperature 0 to 40°C, 8 hours) |
| Functions |
Battery check (indicator flashes when battery voltage drops) |
| Power supply |
LR6(AA) alkaline battery × 2, 0.6 VA |
| Operating time |
Approx. 20 hours (3662-20, continuous CW output)
Approx. 36 hours (3663-20, continuous CW output) |
| Dimensions and mass |
76 mm(3.00 in)W × 159 mm(6.26 in)H (including 36 mm cover) × 35 mm(1.38 in)D, 180g(6.35 oz) (without batteries) |
| Accessories |
carrying case (1), hand strap(1) |
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