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Optical Power Multimeter With Light Source OTM-300B MIB-INSTRUMENTS "Can Buy It Now in my eCRATER store" Product Description FEATURES Simple appearance, beautiful professionally designed with shock absorbing gum case，More effectively protect the optical Multi-meter Linear（mW）& nonlinear（dBm）displaying function Optical power meter calibrated wavelength (nm)：850nm、1300nm、1310nm、1490nm、1550nm、1625nm 1310/1550 or 1310/1490/1550 Multi-wavelength laser output CW and modulation of 270Hz, 1kHz and 2kHz for laser source 650nm visible red light output(option) CW and modulation of 1Hz and 2Hz for visible red light The laser source output power adjust, four grade output, step -4dBm Backlight display automatically or manually optional, automatically off can be set Two AA batteries, easy to change SPECIFICATIONS Optical power meter specifications: Model OTM-300 OTM-300B Power Range (dBm) -70～+10 -50～+26 Detector Type InGaAs Wavelength Range(nm) 800～1700 Uncertainly ±5% Calibrated Wavelength (nm) 850、1300、1310、1490、1550、1625 Display Resolution Linear：0.1% Nonlinear：0.01dBm Laser source specifications: OTM-300 OTM-300B Output wavelength (nm) 1310/1550 1310/1490/1550 Emitter Type FP-LD Output Power（dBm） -6 0 Output Frequency (Hz) CW/270/1K/2K Fiber Type SM，MM Connector FC/PC Other Specifications： Operating Temperature(℃) -10～+60 Storage Temperature(℃) -25～+70 Auto off Time(min) 10-120，OFF Battery operating Time (h) 38 Dimensions (mm) 168×103×45 Power Two AA batteries Weight(g) 300 Package included:OTM-300B*1 Payment Shipping We accept Paypal, credit card through Paypal. Buyer may need to pay for import tax depend on your country's custom. You can ask us for more detail. We ship to international and item will be shipped by airmail from HongKong. Items are shipped within 2-3 business day after receive cleared payment. An additional USD4 for insurance Most item will arrive within 8-14 business days. It depend on your location. In some case, ship to some countries will take over 3 weeks, especially brazil, Italy and France . Powered by eCRATER . List your items fast and easy and manage your active items. Powered by eCRATER . List your items fast and easy and manage your active items. On Aug-12-14 at 02:30:55 PDT, seller added the following information:Powered by eCRATER . List your items fast and easy and manage your active items.