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Analog Barometer Thermometer Hygrometer Wall Hanging Temperature Humidity Monitor Atmospheric Pressure Meter for Home use

GOOGmachine

Sale price $39.00 Regular price $45.00

Shipping calculated at checkout.
  • The product is used to measure the temperature, humidity, atmospheric pressure and other parameters changes in the environment
  • Measuring range: -30 ~ 50C, 0 ~ 100% RH, 970 ~ 1050hPa,
  • Resolution: 1C, 2% RH, 1hPa
  • Measurement accuracy: ± 2C, ± 5% RH (40 ~ 70% RH), ± 5hPa (970 ~ 1040hPa)
  • Diameter: 128mm Thickness: 41mm Weight Weight: 130g
  • Use of barometer 
    Pre-adjustment of the barometer, generally the barometer is calibrated in the factory under 400m above sea level. Due to the change of altitude in your location and the indication error caused by vibration in transit, the barometer need to be adjusted by the following steps 
    1. First, check the local atmospheric pressure at the local meteorological station or network, airport, or public building calibrated barometer, or use an existing barometer as the reference standard. 
    2. Carefully adjust the slotted screw on the back of the barometer until the pointer indicates the actual barometric pressure in the area. Do not adjust the barometer movement too much. When the adjustment is complete, gently tap the glass surface of the barometer by hand until the pointer Accurately indicate the actual pressure value. 
    3. The adjustment screw cannot be over-adjusted. If the screw is tightened in one direction, the end of the adjustment range has been reached. ​

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