Sensitivity ranges +10 to -50dBm
Auto power-off Yes
Output power 10mw
ccuracy +10dB to -30dBm(CW); +10dB to -25dBm (modulation signal)
Manufacturer Warranty 3 Months
Bandwidth identification ranges 800-1700nm
Product Optical Power Meter
Country of Manufacture Australia
Package size 255 * 70 * 85mm / 10.04 * 2.76 * 3.35in
Material plastics
Brand Thunder Tools
Item size 240 * 45 * 80mm / 9.45 * 1.77 * 3.15in
Voice prompt Yes
Battery 2 * AA battery (not included)
Model DZI10785
Package weight 310g / 10.93ounce
Frequency 270Hz/1KHz/2KHz
Output wavelength 650 plus or minus 10nm

Check the listing for details. Thunder Tools 10mw Red Light Source Fiber Optic Identifier 270Hz 1KHz 2KHz. Condition: New. Listed at 74.29 USD. 270Hz, 1kHz, 2kHz three signal frequencies can be identified, there is a beep when identifying the frequency. 4in1 universal fixture, suitable for 3.0mm, 2.0mm, 0.9mm, 0.25mm optical fiber line. You can have a try.

$37.15
$74.29