Fluke
Fluke 908/909 Frequency Standard
Manufacturer: Fluke Calibration
Model: 908/909
Features
- Accurate reference “atomic clock” for automated test systems
- Affordable and extremely economical
- Optional carrying case for portability
- No battery backup required during transport
- Short warm-up time
Specifications
| Parameter | Details |
|---|---|
| Basic model | 5×10 MHz, 1×5 MHz: Sine wave >0.6V rms, 50Ω |
| With option 70 | 10×10 MHz, 1×5 MHz: Sine wave >0.6V rms, 50Ω |
| Frequency Stability (1 month) | 908: 3×10⁻⁹, 909: 5×10⁻¹¹ |
| Frequency Stability (1 year) | 908: < 2×10⁻⁸ (1 year), 909: 1×10⁻⁹ (10 years) |
| Temperature Environment (20°C – 26°C) | 908: < 4×10⁻¹⁰ typical, 909: 2×10⁻¹¹ typical value |
| Temperature Environment (0°C – 50°C) | 908: 2.5×10⁻⁹, 909: 3×10⁻¹⁰ |
| Short-term stability (10s) | 908: 5×10⁻¹², 909: 1×10⁻¹¹ |
| Short-term stability (1s) | 908: 5×10⁻¹², 909: 3×10⁻¹¹ |
| Warm up time (+25°C) | 908: 10 minutes to 5×10⁻⁹, 909: 5.4 minutes to lock |
| Operating temperature | 0°C to +50°C |
| Storage temperature | -40°C to +70°C |
| Safety standards | EN 61010-1, CE compliant |
| EMI standards | EN 55011 ISM group, class B, EN 50082-2, CE compliant |
| Power consumption (908) | <20W during warm-up, <7W continuous |
| Power consumption (909) | <70W during warm-up, <30W continuous |
| Dimensions | 315 x 86 x 395 mm |
| Weight | 4.8 kg (unit only), 7.8 kg (shipping) |
