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* Description* User automatic self calibration function.
* Backlight on-off optional function.
* Large LCD display.
* To display optical power in mw,dB and dBm.
* High display resolution.
* Absolute and relative power measurement.
* Quick response,without warm-up.
* Damp,dust and water proof design, pleasant package.
* Low battery consumption, more than 240 hours.
continual operation time for three 1.5V batteries.
* 10 minutes Auto-off function can be optional.
* Maintenance Telecom.
* Maintenance CATV.
* Test Lab of Fiber Optic.
