3 scales Direct reading of the freezing point of antifreeze, indicating the freezing point of the mixture with water and the percentage of antifreeze liquid necessary to achieve a certain point of freezing.
1-Scale 1100 to 1400 sg, to measure the concentration of the electrolyte liquid in the battery.
2-Scale 0 ° C. up to -50 ° C. (in Centigrade Degrees) and antifreeze percentage, to measure the freezing point of antifreeze when using propylene.
3-Scale 0 ° C. up to -60 ° C. (in Centigrade Degrees) and antifreeze percentage, to measure the freezing point of antifreeze when using Ethylene. ATC (temperature compensation)
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