Fluke DTX-1800 Technical Reference Handbook page 360

DTX Series CableAnalyzer
Technical Reference Handbook
Loss/Length Specifications (cont.)
Specification
Power measurement uncertainty (accuracy)
Measurement linearity
(18 °C to 28 °C constant temperature)
Dynamic Range for main-remote
communication and nominal length
measurement
Re-calibration period
Display update rate
1. Under the following conditions:
•
Power level: -20 dBm, continuous wave
•
At 850 nm: 62.5/125 µm fiber with 0.275 NA
•
At 1310 nm and 1550 nm: 9 /125 µm
•
Ambient temperature: 23
14-34
Multimode Modules
± 0.25 dB
1300/1310 nm and 1550 nm: ±0.1 dB
850 nm: ±0.2 dB
≥ 12 dB
1 year
1 reading per second
C ±5
o o C
DTX-MFM2 DTX-GFM2
Gigabit Modules
1
3
≥ 22 dB
2. Linearity for 1310 nm and 1550 nm:
•
Between 0 dBm and -55 dBm: ± 0.1 dB
•
< -55 dBm: ± 0.2 dB
3. Linearity for 850 dBm:
•
Between 0 dBm and -45 dBm: ± 0.2 dB
•
< -45 dBm: ± 0.25 dB
DTX-SFM2
Singlemode Modules
2
≥ 22 dB