Ambient Weather WS-0416 사용자 설명서 - 페이지 11

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5.8.2 Temperature Calibration

Prior to entering the calibration mode, press the CH/+ button to select the temperature you wish to

adjust.

To enter the temperature calibration mode, press and hold the SET and CH/+ button for 5 seconds

and the temperature value will begin flashing. Press the CH/+ button to increase the temperature and

the MIN/MAX/- button to decrease the temperature reading in 0.1° increments. To rapidly increase

(or decrease) the temperature reading, press and hold the CH/+ or MIN/MAX/- button.

To return the temperature to the actual or uncalibrated measurement, press the SET button.

will be displayed when the temperature calibrated measurement.

Once the displayed temperature equals the calibrated source, press and hold the SET button for three

seconds, or wait 15 seconds for timeout, and the temperature value will stop flashing.

Discussion: Temperature errors can occur when a sensor is placed too close to a heat source (such

as a building structure, the ground or trees).

To calibrate temperature, we recommend a mercury or red spirit (fluid) thermometer. Bi-metal (dial)

and other digital thermometers are not a good source and have their own margin of error. Using a local

weather station in your area is also a poor source due to changes in location, timing (airport weather

stations are only updated once per hour) and possible calibration errors (many official weather stations

are not properly installed and calibrated).

Place the sensor in a shaded, controlled environment next to the fluid thermometer, and allow the

sensor to stabilize for 48 hours. Compare this temperature to the fluid thermometer and adjust the

console to match the fluid thermometer.

6 Glossary of Terms

Term

Accuracy

Hygrometer

Range

7 Specifications

7.1 Wireless Specifications

 Line of sight wireless transmission (in open air): 300 feet, 100 feet under most conditions.

 Frequency: 433 MHz

 Update Rate: 60 seconds

Version 1.0

Accuracy is defined as the ability of a measurement to match the actual

value of the quantity being measured.

A hygrometer is a device that measures relative humidity. Relative

humidity is a term used to describe the amount or percentage of water

vapor that exists in air.

Range is defined as the amount or extent a value can be measured.

Definition

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