Use these quality pocket barometers for predicting weather changes or for measuring differences in altitude.
GTD1100 Digital barometer, altimeter, thermometer
This versatile instrument can be used by hikers to check their elevation or by irrigators or plumbers to check the rise and fall of pipes and channels.
Measuring range (temperature):-10.0...+50.0 °C resp. 14.0... 22.0 °F Measuring range (pressure):300.0...1100.0 mbar resp. 225.0...825.0 mmHg Measuring range (altitude):-500...+9999 m resp. -1640...19999 ft Miscellaneous:sea level adjustment, offset and slope adjustment, tare function, auto-off, sum function, tendency meter, etc.