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SLS640 designed by Sino-Telecom is one of multifunction hand-hold light sources with high-quality, compact-size and convenient-operation.

SLS640 is engineered for the daily maintenance of the fiber communication networks. Cooperating with SPM power meter series, it is suitable for the insertion loss testing with large dynamic range for the fiber networks like PON, FTTH, OFS etc.

SLS640 provides 1310/1490/1550 built-in light source, which can be configured as continuous mode or modulated mode (270/1K/2KHz) according to user’s request. Additionally, a visible red light source (650nm) is optional for fiber trunk diagnostics in the on-field testing.

Key features
1.High stability of the output power
2. One-button for wavelength switching
3. Provide USB Management port which can download test data, revise thresholds and execute optical power calibration.
4.Able to configure the automatic power-off or background lighting according to user's request.
5. High-capacity Li battery with two recharging methods available (power adaptor, mini-USB connector)
6.The instrument's ergonomic design fits comfortably
7. Excel spreadsheet software provides quick and easy
8.Interchangable adaptors cover FC, SC, ST styles
9.The comprehensive user manual is easy to follow and will help you get started

Specifications
Detected Wavelength:1310/1490/1550nm
Laser Type:FP-LD
Min. Output power:-5dbm
Operation Mode:CW or 270Hz/1KHz/2KHz
Power Surging Range:±0.04dB @room temperature within 15min
Fiber Trunk Diagnostics:650nm red light, output power >2dBm
Output ports:2 port
Adaptor Type:FC/APC (standard); SC/APC, ST/APC (optional)
Fiber Type:SMF/MMF
LCD Pixels:128 X 64
Battery:Li Battery/ 2000mA, 3.7V
Recharger:AC220V/DC5V power adaptor or USB recharging connector
Temperature:Operating: –10°C ~ 50°C ; Storage: –25°C ~ 70°C
Dimensions:195 mm × 100 mm × 57 mm