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Thermometer
Measuring range, -20 to 50 degree C,
Precision, +/-2 degree C
Hygrometer
Measuring range, 20 to 98%RH,
20 - 45 %RH and 75-98%RH, +/-9%
45 - 75 %RH, +/-6%
Barometer
Measuring range, 960 to 1060 hPa
Precision: 990 to 1030 hPa, ±5hPa
960 to 990 hPa and 1030 to 1060 hPa, ±10hPa
Nautical instrument