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TPM-35m Optical Power Meter User Manual

Products introduction

Power on/Auto power off

Optical power reference value setting

Optical power wavelength switching

LED lighting

Press the LED key to control the 

flashlight to turn on and off. Press 

any key to turn on the backlight.

TPM-35 optical power meter is widely used in the construction, 

maintenance, inspection and acceptance of optical fiber com-

munication network projects. The combination of fiber optic 

power meter & light source, check continuity, and help evaluate 

the transmission quality of optical fiber links. Smart appearance, 

sustainable backlit display, and friendly operation interface make 

you feel good about it. Provides 7 wavelengths detection, with 

automatic wavelength memory function. The ultra-wide optical 

power test range, precise test accuracy and new user self-cali-

bration function will make your work even better. Universal 

interface design, support FC/SC/ST and other interfaces, without 

complicated conversion. In addition, the LED lighting function 

has been added to the product basis to allow it to be carried out 

in a dark environment, further improving work efficiency.

OPM interface

LED lighting

Display

LED button: 

turn on/off 

the flashlight

On/off key: turn the 

device on or off

wavelength

Auto Off

Frequency

Battery level

Unit

Numerical value

Wavelength 

switch key

REF/dB key: Short press 

the dB to switch unit

     Short press the power button to turn 

on machine, and automatically start the 

auto-off function, the default auto-off 

time is 10 minutes. If you want to cancel 

this function, press and hold the power 

button .when starting up. When the 

power on icon disappears, it means to 

cancel the auto-off function.

 Enter the optical power meter interface 

after booting, short press the "REF" key to 

set the current power value as the 

reference power, which can realize relative 

optical power test (insertion loss test) or 

absolute power test. After entering the 

relative power test mode, the insertion loss 

(dB) is displayed at the bottom of the 

screen, and the screen displays the 

reference value; short press the "dB" key to 

switch between linear power and absolute 

power display.

  The units of linear power, absolute 

power, and relative power are nW, dBm, 

and dB respectively.

P absolute power = 10lgP linear power / 1mW.

P relative power = P absolute power-P reference 

power.

270

850

980 1300

1310

1490

1550

1625

On the optical power meter interface, 

short press the "λ" key to switch the 

measurement wavelength. You can 

choose7 different test wavelengths, 

850nm/980nm/1300nm/1310nm/1490nm/

1550nm, 850nm, 1625nm. To ensure the 

accuracy of thetest, the selected wavelength 

must be consistent with the wavelength of 

the measured optical signal

270

HZ

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