Specification :

Product Name: Optical Power Meter
Model: KD-620A
Brand/ Origin: China
Description:
KD-620 handhold optical power meter is one of our newly developed multi-functional power meter designed for the installation, construction and maintenance of optical fiber network. It features compact size, smooth appearance, user friendly design, optional backlight, auto-off function, wide measurement range, accurate test, and universal connector.
Specifications:
Type KD-620A
Wavelength range nm 800^ 1600
Detector InGaAs
Measurement range dBm -70^ + 6
Uncertainty ± 5%
Calibrated Wavelength nm 850
980
1310
1490
1550 can be specified
Display Resolution 0.1% & 0.01dBm
Operating temperature ° C -10^ + 60
Storage temperature  -25^ + 70
Auto-off time min 10
Battery working hours h 240
Dimension mm 148× 74× 28
Power Supply Alkaline battery ( 3 AAA 1.5V battery )
Weight  g 225