Hand-Held Refractometer Accurate concentration check of antifreeze liquid & cleaning fluids & battery fluids:
Test range:
E:-50℃~0℃(Frostproof liquid freezing point)
P:-50℃~0℃(Frostproof liquid freezing point)
B:1.10~1.40sg(Battery specific gravity)
C:-40℃~0℃(cleaning liquid is freezing)
Accuracy: 1℃ 0.01sg 1℃
Weight: 93g (Copper for some inside components)