Ambient Weather WS-108 Instrukcja Użytkownika Pobierz pdf (Strona 40)

8.2 Measurement Specifications

The following table provides the specifications for the measured parameters.

Measurement

Range

Accuracy

Resolution

Indoor Temperature

32 to 140 °F

± 2 °F

0.1 °F

Outdoor Temperature

-40 to 149 °F sensor

-23 to 140 °F rechargeable

battery range (alkaline)

± 2 °F

0.1 °F

Indoor Humidity

1 to 99%

± 5%

1 %

Outdoor Humidity

1 to 99%

± 5%

1 %

Barometric Pressure

8.85 to 32.50 inHg

± 0.08 inHg (within range of

27.13 to 32.50 inHg)

0.01 inHg

Light (solar radiation)

0 to 400,000 Lux

± 15%

1 Lux

Rain

0 to 394 in.

± 10%

0.01 in

UV Index

0-15

± 1

Wind Direction

0 - 360 º

1º

Wind Speed

0 to 100 mph (operational)

± 2.2 mph or 10% (whichever

is greater)

0.1 mph

8.3 Power Consumption

 Base station : 5V DC Adaptor (included), Power Consumption: 7.5 Watts

 Indoor Thermo-hygrometer-barometer sensor : 2xAAA batteries (not included)

 Outdoor sensor array: 3xAA alkaline rechargeable batteries (included)

9. Maintenance

1. Clean the rain gauge once every 3 months as follows. Reference Figure 31.

Step 1: Make a note of the current rain totals by referencing the calibration screen (reference

Section 6.5). You will need to re-enter these values after the calibration procedure it complete.

Step 2: Pour water into the rain collector to moisturize the dirt inside rain bucket.

Step 3: Use an approximately 3 inch (80 mm) long cotton swab, and push the cotton tip

through the rain collector hole until is reaches the self emptying mechanism, and press until

the mechanism no longer rotates.

Step 4: Rotate the cotton swab back and forth, removing dirt from the tipping mechanism and

rain collector hole.

Step 5: Remove the cotton swab and flush with water to remove any remaining dirt.

Step 6: Re-enter the rain totals recorded in Step 1.

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