Best Optical Level Sensor

ENDGAME GEAR XM1r Gaming Mouse Programmable Mouse with 5 Buttons and 19,000 DPI XM1r Dark Reflex

COMPETITIVE GAMING MOUSE: The key to success is in your hand —literally—with Endgame Gear’s new and improved XM1r Gaming Mouse! Its 5 buttons,....
SUPERIOR, SMOOTH MOVEMENT: Tighten reaction time with Kailh GM 8.0 switches that register immediately. The PixArt PAW3370 optical sensor (up to 19,000....
CUTTING-EDGE COMFORT: The symmetrical XM1r is anti-sweat and easy to grip. The 2 main buttons, 2 thumb buttons, and mouse wheel enable simultaneous....
WIDELY COMPATIBLE: Available in black, white, dark frost, or dark reflex, the XM1r wired mouse measures 6.58 x 3.81 x 12.19 cm and weighs only 2.47....
NEXT LEVEL OF THE XM1: The XM1r is a refresh of the XM1 Gaming Mouse featuring an updated PixArt PAW3370 optical sensor and custom-sorted Kailh GM 8.0....

【69G Ultralight Ergonomic Honeycomb Shell】This lightweight PC gaming mice is designed with O-shaped perforated shape, reduces weight, saves more....
【6 different RGB Backlight】This RGB gaming mouse has internal logo light and a bottom edge light ring bar, can offer 6 RGB backlit mode for your....
【6 Programmed Button】This lightweight mouse is equipped with 6 high quality button(20 million clicks lifespan) for basic operation and also allow....
【Optimizer Optical Sensor】This professional gaming mouse adopt high precision main chip optical sensor with 6 level....
【High Quality&Wide Compatibility】This wired mouse is made of premium plastic and long paracord with ergonomic symmetric honeycomb housing,....

... way you hold it, make using more comfortable especially when gaming. Avoid disengaging the palm of your hand from the mouse when you move the it, which will affect your work effectiveness, especially in games that can be used comfortably for a long time.
【High Precision Sensor】:The mice adopts a high-definition optical gaming sensor, ensuring the fastest switch. Micron level high precision optical sensor, with 1000-6400 adjustable DPI,Green represents 1000 DPI, Purple represents 1600 DPI, Blue represents 3200 DPI, Red represents 6400 DPI.
【Durable& Service】:With more than 16 million keystrokes test, the gaming mice has a longer lifespan. Blade Hawks has 2 years shelf life. If you have any problem with Blade Hawks products.

【7 Lighting Mode 】:The wired computer mouse provides customizable lighting modes including breathing,RGB gradient,Single color alternating mode.....
【60g Ultralight and Breathable】: This pc usb mouse is only 60G, which is equivalent to the weight of a pen.The unique ventilation hole design not....
【Ergonomic Design】：Ergonomic housing of this lightweight PC comfortable mouse can fit your palm perfectly whichever way you hold it, make using....
【High Precision Sensor】:The mice adopts a high-definition optical gaming sensor, ensuring the fastest switch. Micron level high precision optical....
【Durable& Service】:With more than 16 million keystrokes test, the gaming mice has a longer lifespan. Blade Hawks has 2 years shelf life. If you....

...el tiny particle number detection (Number of particles/liter)--PM0.3, PM0.5, PM1.0, PM2.5, PM5.0, PM10.
3-channel particulate matters quality detection (μg/m³)--PM1.0, PM2.5, PM10.
003cb003eCO2 & HCHO SENSOR003c/b003e -- NDIR Non-Spectral Infrared CO2 Carbon Dioxide Sensor with self-calibration, Absorption chamber Optical Coating.
Electrochemical formaldehyde HCHO sensor with automatic calibration, double platinum catalytic electrode, strong anti-interference ability.
003cb003eTVOC CHEMICAL POLLUTION003c/b003e -- Semiconductor TVOC meter can test a variety of volatile organic compounds TVOC VOCs, such as benzene, toluene, xylene, aromatic hydrocarbons, aldehydes, hydrogen sulfide etc., captures the change in molecular concentration of organic compounds at the thousandth level.
003cb003eDATA LOGGING UPGTADE003c/b003e -- Smart air quality monitor indoor upgrade in 2021: Support data storage and export of all 12 testing items, with date and time, frequency: once every 1 minute. MAX storage capacity can be expanded to 8G, which can store up to 400 days of records.
003cb003ePROFESSIONAL & ORIGINAL003c/b003e -- air quality alarm base on US standard.
stereo air convection sampling and active air interactive system.

Equipped with state-of-the-art Optical DO sensor: measures dissolved oxygen level in a RELIABLE and EFFORTLESS manner.
Minimal maintenance required. Quick and easy calibration.
Automatic compensation for salinity, temperature& air pressure.
Glp data management, 500 groups of data storage, usb data output.
Comes with a complete test kit, including the meter, 10ft optical probe and salinity probe, a calibration cap, and a rugged carrying case.

...ing the mouse driver software, you can customized the DPI, adjust mouse speed, scroll speed, RGB mode, light brightness and speed, and other macro function or reassign key function to use it in your most favorite comfortable way, very intelligent, you can contact us to get the mouse driver if you need..
【Optimizer Optical Sensor】This professional gaming mouse adopt high precision main chip optical sensor with 6 level DPI(800-1600-2400-3200-4800-6400), you can choose the most suitable DPI level to use it by pressing the DPI button, which can offer you a more accurate and quick experience, two widen side button offer better operation when you need to moving forward or backward quickly..
【High Quality&Wide Compatibility】This wired mouse is made of premium plastic and long paracord with ergonomic symmetric honeycomb housing, durable, flexible, fashion and practical, can be easy operated with USB connection, advanced high performance hardcore custom chip ensure high accuracy for long term using, compatible with Windows 2000/XP/WIN 7/WIN8/WIN10 Vista 32bit Mac OS or Latest..

Equipped with state-of-the-art Optical DO sensor: measures dissolved oxygen level in a reliable and effortless manner.
Minimal maintenance required. No need for solution refill or frequent membrane change..
Easy auto. Calibration for saturated air and zero-oxygen.
IP67 waterproof and dust-proof structure, ideal to be used in harsh environments.
Comes with a complete meter kit, including the DO meter, 10 ft optical probe, calibration cap, and a rugged carrying case.