According to ISO 4801 and NF B 35-515 standards. Calibrated at 20ºC. Unit: Ethanol in %vol. Length: 350 mm. These instruments are delivered with a certificate of conformity (except ALCO-RF1-001)
reference: ALCO-030-001, range (%vol): 30-40, accuracy (%vol): ±0.1, division (%vol): 0.1, TS (mN/m): 35&comma:4, pcs/pack: 1