Digital Hand-held "Pocket" Ethylene glycol / Freezing point of Propylene glycol (°F) Refractometer PAL-92S

>about the icons Model PAL-92S Cat.No. 4492 Measurement Range Concentration of Ethylene Glycol : 0.0 to 90.0% (V/V) Freezing point of Ethylene Glycol : 32 to -60°F Resolution Concentration of Ethylene Glycol : 0.2% (V/V) Freezing point of Ethylene Glycol : 1°F Measurement Accuracy Concentration of Ethylene Glycol : ±0.4% (V/V) Concentration of Ethylene Glycol : ±1°F Power Supply 2 × AAA Batteries Measurement Temperature 50 to 104°F Dimensions & Weight 55(W) ×31(D)×109(H)mm, 100g Measurement Time 3 seconds International Protection Class IP65 Dust-tight and Protected against water jets. Optional • PAL-CASE : RE-39409 Patent for Invention Registration No. ZL200310103015.2 (China) Patent for Design Registration No. ZL03303431.1 (China), 089244 (Taiwan) Patent Granted in countries around the world.