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ST800K Series Optical Power Meter

With a wide range of functions, ST800K optical power meter is a powerful tool for use in fiber-optic installation and maintenance. Its rugged, durable construction makes it the perfect choice for a wide range of field applications. ST800K Optical Power Meter can test optical power within the range of 800~1700nm wave length. There are 850nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, six kinds of wavelength calibration points. It can be used for linearity and non-linearity test and it can display both direct and relative test of optical power. This meter can be widely used in the test of LAN, WAN, metropolitan network, CATV net or long-distance fiber net and other situations.

Product Features

Multi-wavelength precise measurement
Absolute power measurement of dBm or xW
Relative power measurement of dB
Auto off function
270, 330, 1K, 2KHz frequency light identification and indication
Low voltage indication
Applicable to versatile adapters (FC, ST, SC, LC)
Handheld, large LCD backlight display, easy-to-use

Product Parameters

Wavelength range (nm) 800~1700
Detector type InGaAs
Standard wavelength(nm) 850, 1300, 1310, 1490, 1550, 1625
Power testing range (dBm) -50~+26 or -70~+3
Uncertainty ±5%
Resolution Linearity: 0.1%, Logarithm: 0.01dBm
General specifications
Connectors FC, ST, SC or FC, ST, SC, LC
Working temperature (℃) -10~+50
Storage temperature (℃) -30~+60
Weight (g) 430 (without batteries)
Dimension (mm) 200×90×43
Battery 4 pcs AA batteries (lithium battery is


Battery working duration(h) No less than 75 (according to battery


Auto power off time (min) 10
Model No. Power test range(dBm) Adapter interface
ST800K-A -50~+26 FC,ST,SC
ST800K-B -50~+26 FC,ST,SC,LC
ST800K-C -70~+3 FC,ST,SC
ST800K-D -70~+3 FC,ST,SC,LC

Application and After-Sales Service

fiber-optic installation and maintenance
1 year warranty

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