Product comparison · 2 digital weather stations

Hama EWS-820 White vs Hama EWS-840 White

23specifications compared
12differ
11identical
1known for one product only

Key differences

The Hama EWS-820 White has 20 m more outdoor sensors range than the Hama EWS-840 White (50 m vs 30 m). The Hama EWS-820 White has 60 mm more width than the Hama EWS-840 White (130 mm vs 70 mm). The Hama EWS-820 White has 35 mm more depth than the Hama EWS-840 White (49 mm vs 14 mm). Only the Hama EWS-820 White has weather forecast. Measuring functions trend display: Barometer, Hygrometer, Thermometer on the Hama EWS-820 White, Thermometer on the Hama EWS-840 White.

Weather forecast
- EWS-820 White:Yes
- EWS-840 White:No
Outdoor sensors range
- EWS-820 White:50 m
- EWS-840 White:30 m
Battery type
- EWS-820 White:AA / AAA
- EWS-840 White:AAA
Width
- EWS-820 White:130 mm
- EWS-840 White:70 mm
Depth
- EWS-820 White:49 mm
- EWS-840 White:14 mm
Package depth
- EWS-820 White:145 mm
- EWS-840 White:110 mm
Package height
- EWS-820 White:55 mm
- EWS-840 White:50 mm
Package weight
- EWS-820 White:436 g
- EWS-840 White:253 g

Side by side

Differences highlightedShow differences only

Comparison of EWS-820, EWS-840
24 specifications	A Hama EWS-820 White Model EWS-820 View product	B Hama EWS-840 White Model EWS-840 View product
Features5 differ
Product colour	White	White
Measuring functionsDiffers	Indoor barometer, Indoor hygrometer, Indoor thermometer, Outdoor barometer, Outdoor hygrometer, Outdoor thermometer	Indoor thermometer, Outdoor thermometer
Measuring functions trend displayDiffers	Barometer, Hygrometer, Thermometer	Thermometer
Clock function	Yes	Yes
Alarm function	Yes	Yes
Weather station extremum dataDiffers	Barometer, Hygrometer, Thermometer	Thermometer
Weather forecastDiffers	Yes	No
DCF radio clock	Yes	Yes
Outdoor sensors rangeDiffers	50 m	30 m
Temperature measurement range (inside) (T-T)	32 - 122 °F	32 - 122 °F
Temperature measurement range (outside) (T-T)	-20 - 60 °C	-20 - 60 °C
Temperature measurement units	F, °C	F, °C
Displayidentical
Built-in display	Yes	Yes
Backlight displayKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Battery typeDiffers	AA / AAA	AAA
Number of batteries (receiver)	2	2
Number of batteries (sensor)	2	2
Weight & dimensions2 differ
WidthDiffers	130 mm	70 mm
DepthDiffers	49 mm	14 mm
Height	130 mm	130 mm
Packaging data4 differ
Package depthDiffers	145 mm	110 mm
Package heightDiffers	55 mm	50 mm
Package weightDiffers	436 g	253 g
Package widthDiffers	175 mm	140 mm

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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