Ambient Weather WS-08 Panduan Pengguna - Halaman 10

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5.8 Adjustment or Calibration

Note: The calibrated value can only be adjusted on the console. The

remote sensor(s) always displays the un-calibrated or measured value.

Note: The measured humidity range is between 10 and 99%. Humidity

cannot be accurately measured outside of this range. Thus, the humidity cannot

be calibrated below 10% or above 99%.

The purpose of calibration is to fine tune or correct for any sensor error

associated with the devices margin of error. The measurement can be adjusted

from the console to calibrate to a known source.

Calibration is only useful if you have a known calibrated source you can

compare it against, and is optional. This section discusses practices,

procedures and sources for sensor calibration to reduce manufacturing and

degradation errors. Do not compare your readings obtained from sources such

as the internet, radio, television or newspapers. They are in a different location

and typically update once per hour.

The purpose of your weather station is to measure conditions of your

surroundings, which vary significantly from location to location.

5.8.1 Humidity Calibration

Prior to entering the calibration mode, press the CHANNEL/+ button to select

the humidity sensor you wish to adjust.

To enter the humidity calibration mode, press and hold the SET/ADJUST and

CLEAR/- buttons at the same time for 5 seconds and the humidity value will

begin flashing. Press the CHANNEL/+ button to increase the humidity and the

CLEAR/- button to decrease the humidity reading in 1% increments. To rapidly

increase (or decrease) the humidity reading, press and hold the CHANNEL/+

or CLEAR/- button.

To return the humidity to the actual or uncalibrated measurement, press the

ADJUST button.

Once the displayed humidity equals the calibrated source, press and hold the

ADJUST button for three seconds, or wait 15 seconds for timeout, and the

humidity value will stop flashing.

Discussion: Humidity is a difficult parameter to measure electronically

and drifts over time due to contamination. In addition, location has an adverse

affect on humidity readings (installation over dirt vs. lawn for example).

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