Alcohol Refractometer for Spirit Alcohol Volume Percent Measurement with Automatic Temperature Compensation (ATC), Range 0-80 % v/v. sold2020 Please use warm water and

Please use warm water and hand soap wash it prior to the first time use

They can make the light spread more even and protect the LEDs from sunlight damage

Backlight Tachometer and Hour Meter With Spark Plug Temp Function

60mm Response point: less than 200g Test voltage: typical dc3

Alcohol Refractometer for Spirit Alcohol Volume Percent Measurement with Automatic Temperature Compensation (ATC), Range 0-80 % v/v. sold2020 Please use warm water andAlcohol Refractometer for Spirit Alcohol Volume Percent Measurement with Automatic Temperature Compensation (ATC), Range 0 80 % v v. We have been developing and selling this series of instruments for about 10 years, with a very professional team and factory. We've been concentrating to supply constant stable high standard products to customers all over the world. Our products are equipped with high quality optics and smooth focusing. The main body is