Optic meter with adjustable optics. Measures the frost protection level in coolant and windscreen washer fluid. Measures both ethylene glycol (G11/G12) and propylene glycol (G13). Also measures battery acid, to determine the battery's condition. Made of metal with rubberised grip. Supplied complete with a pipette for sucking up fluids, a screwdriver for calibration adjustment and a storage box in plastic with padded compartments. Length: 160 mm. Measurement range: Glycol: 0 °C to -50 °C. Battery acid: 1.10 to 1.40 kg/l. Windscreen washer fluid: 0 °C to -40 °C.
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