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What is the difference between absolute and relative pressure?

Absolute pressure is the measured atmospheric pressure. Absolute pressure is not corrected to sea-level conditions. To compare pressure conditions from one location to another, meteorologists correct pressure to sea-level conditions (referred to as relative pressure, or pressure relative to sea-level). Because the air pressure decreases as…

Wireless signal is intermittent or not working

Simply moving your display console (or receiver) to a different location may easily fix the communication issue. We recommend the following best practices for trouble free wireless communication. Fresh Batteries. If applicable, make sure there are fresh batteries in both the console and remote. Remember…

Rain Increment Definitions

Your weather station may only display some of the following increments of rain. Please refer to your User Manual for details. Here are how increments of rain are defined: Rain Rate is defined as the rainfall in the last 10 minutes, multiplied by 6  (10 minutes…

Testing the accuracy of a hygrometer - saturated salt test

The saturated salt solution test is an easy method for testing the accuracy of your humidity sensor. Most electronic sensors are accurate from +/- 3 to 5% humidity, and some weather stations or weather centers can be calibrated from the display console by applying a…

How can I test the accuracy of my hygrometer (humidity Calibration)?

Place the sensor inside next to the indoor console sensor. Wait about 24 hours for stabilization. The sensors should agree within the accuracy specifications. Most digital capacitive hygrometer sensors are accurate within +/- 5%. Thus, the sensors should agree within 10% when considering full tolerance…

Weather Station Temperature Reads Too High in the Day Time.

Temperature reads too high (or inaccurate) when placed in the sun or close to a radiant heat source, like a house, building or structure. Place the sensor inside next to the indoor console sensor. Wait about 1 hour for stabilization. The sensors should agree within…

Relative barometric pressure does not match official source.

Your relative pressure likely does not match the official source because you have not calibrated it properly. You will need to reference your User Manual for correcting relative pressure. Discussion: To compare pressure conditions from one location to another, meteorologists correct pressure to sea-level conditions….

The sensor displays "OF" and the console displays "LL" or "HH.H"

If the sensor displays “OF” and the console displays “LL”or “HH.H”, the senor must be replaced. We have a one year warranty. For details, please visit: www.AmbientWeather.com/rma.html Out of warranty replacements are available here: F007PF:  https://www.ambientweather.com/amf007pf.html F007T: https://www.ambientweather.com/amf007t.html F007TH: https://www.ambientweather.com/amf007th.html F007TP: https://www.ambientweather.com/amf007tp.html

Temperature and / or Humidity is Drifting or Inaccurate

Replace the batteries. We recommend the following batteries: https://ambientweather.net/help/my-rechargeable-batteries-no-longer-work-which-batteries-are-recommended-for-my-weather-station/ Clean any corrosion around and on the battery terminals. If the problem persists, the sensor array must be replaced. We have a one year warranty. To replace under warranty, please visit:www.AmbientWeather.com/rma.html If out of warranty, a…

Temperature Reads too low at night.

Temperature can read too low (or inaccurate) at night when placed close to a radiant heat source, like a house, building or structure.  It can also read lower then other stations in your area due to irrigation or sprinklers. Place the sensor inside next to…

The Model WS-1171B, WS-1172 and WS-1173 was discontinued. What do you Suggest as a Replacement?

The Models WS-1171B, WS-1172,  and WS-1173 were discontinued. Replacement sensors are no longer available. We recommend the following similar replacements: WS-2801A (requires an AC adapter): https://www.ambientweather.com/amws2800.html WS-11 (optional AC adapter): https://www.ambientweather.com/amws11.html WS-110 (optional AC adapter): https://www.ambientweather.com/amws110.html    

How do I Switch between Absolute and Relative Pressure?

While in Normal Mode, press (do not hold) the SET key once to enter the Quick Display Mode and press the SET key a second time to change the absolute and relative pressure display. Press the CHANNEL/+ key to toggle between absolute and relative pressure.