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Products: EXFO FOT-600 Optical Loss Tester

The FOT-600 optical loss test set is ideal for network link qualification; the 600 handheld device series includes the FPM-600 power meter and the FLS-600 light source. designed for best-in-class ease of use, the FOT-600 features a pass/fail LED indicator; in addition, it allows users to set their own absolute or relative loss measurement thresholds. With a memory capacity of 1000 data items and built-in reporting software.

Combines power meter and light source to provide desired wavelengths

Memory capacity of 1000 data items; data transfer to PC via USB connection

Ideal for network link qualification: pass/fail LED indicators and thresholds

Error-free testing: automatic wavelength switching without offset zeroing

Visual fault locator (VFL) option for quick and easy troubleshooting (standard)

Very low cost of ownership: three-year warranty and recommended calibration intervals

Full-featured reporting software 

1, the light source part.

(1) light source center wavelength: 1310 ± 20nm, 1550 ± 20m

(2) light source spectral width: ≤ 5nm (rms)

(3) output power: ≥1dBM

(4) long-term stability: ≤ ± 0.1dB, (8 hours) ≤ ± 0.03dB, (15 minutes)

(5) audio generation 270 Hz, 1 kHz, 2 kHz


2, power meter section.

(1) digital display: the number of display digits is not less than 4 digits

(2) wavelength range: 800nm a 1650nm

 Calibration wavelength: 800, 820, 830, 840, 850, 860, 870, 880, 910, 980, 1270, 1280, 1290, 1300, 1310, 1320, 1330, 1340, 1350, 1370, 1390, 1410, 1430, 1450, 1460, 1470, 1480 1490, 1500, 1510, 1520, 1530, 1540, 1550, 1560, 1570, 1580, 1590, 1600, 1610, 1620, 1630, 1640, 1650, 1060

(3) optical power test range: -55dBm ~ +26dBm

(4) display unit dB, dBm, W

(5) Audio detection 270 Hz, 1 kHz and 2 kHz

(6) Automatic switching Yes

(7) Accuracy: ≤ ± 5%

(8) Resolution: ≤0.01dB


3、VFL: Function

(1)Emitter type Laser

(2)Wavelength (nm) 650

(3) output power (dBm) 3 

Link loss qualification

Network Validation