• measuring range:
propylene-glycol freezing point : 0... -50°C
ethylene-glycol freezing point : 0.. -50°C
gravity of battery acid: 1,15...1,30
• resolution: 1°C
• automatic temperature compensation
• needs 2..3 drops of sample liquid
• focusable, with prism
• size/weight: 160 x 40 x 30 mm / 180g
• includes: refractometer, case, calibration screwdriver, calibration liquid

• datasheet: FR41
manual: RF41