![](https://static.wixstatic.com/media/356d0cee84164a4cb8304d44630a7ea6.png/v1/fill/w_96,h_54,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/356d0cee84164a4cb8304d44630a7ea6.png)
PT-4000 Series Portable Turbidity Meter
![PT-4000 Series Portable Turbidity Meter](https://static.wixstatic.com/media/94e8db_0f3595b878e94971ab586c6f0b911acb~mv2.png/v1/fill/w_228,h_129,al_c,lg_1,q_85,enc_auto/Image-empty-state.png)
Main Features
●4.3 inch color LCD screen with friendly UI makes operations easy.
●Big storage space and support USB storage and data transfer to USB drive.
●There are three standard piecewise curves in the system. Customers can create up to 200 piecewise curves subject to different concentrations which will literally improve measurement precision.
●Adopt ARM9 main control chip which makes operations easy and smooth, instrument respond quickly.
●Adopt advanced power management system, can show the battery status in real time and be charged via USB port on PC or vehicle which is very convenient for customers.
●Adopt special and high precision light filter system to ensure the instrument’s stability and measurement precision.
●Cold light source, narrowband interference, with long lifetime up to 100,000 hours.