4 in 1 Hand Held Car Refractometer Vehicle Urea Tester 30-35% With ATC For Car Manufacturers Large Fleet Retail Box Optional

Good luck with your favorite purchases4 in 1 Hand Held Car Refractometer Vehicle Urea Tester 30-35% With ATC For Car Manufacturers Large Fleet Retail Box Optional Name: Vehicle Urea TesterModel: RHA501ATCMeasuring range:Auto Urea 30 to 35%Ethylene glycol EG: -50 ° C to 0 ° CGlycerol PG: -50 ° C to 0 ° CGlass water CW: -40 ° ~ 0 °Battery liquid BF: 1.10 ~ 1.40KG / LWith automatic temperature compensation 0 ~ 30 ° Resolution:Automotive urea concentration 0.2%Antifreeze freezing point 5 °Glass water freezing point 5 °The specific gravity of the battery is 0.01 Right scale: glass cleaning solution freezing point  1, not in the relative humidity of more than 85% of the ring mirror in the long-term placement, so as not to affect the optical system. 2, do not get into the liquid and water adjustment knob and eyepiece, so as not to damage the internal components. 3, do not leap and collision, so as not to damage the instrument accuracy. 4, immediately after use with a clean cloth to the prism and the refractive plate wipe light net.  First, the principle:The basic principle is to use the total reflection critical angle method to measure the refractive index of the solution, and then calibrate the measured liquid concentration and its performance. Because of its principle of reliable, accurate to meet the actual needs, there are small size, light weight, handsome in appearance, easy to use, it is widely used in the automotive industry. 1)1 x Refractometer2) 1 x pipette3)1x instruction manual4)1x mini screw driver  5)1x cleaning cloth6)1*Retail Box(Optional)