Hydrometer for common salt acc. to Bischoff, 0-27:0.5 % mas, DAkkS calibrated

Precision hydrometer for common salt according to Bischoff, range: 0-27 in 0.5 % mas, total length: 270 mm, body diameter: 18 mm, without thermometer, adjusting temperature: 15 °C, including DAkkS-calibration certificate with 3 calibration points